josiahsiegel

@josiahsiegel source repo

195 skills
0 followers
1 week ago last updated

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Triggering Reliability · josiahsiegel bundle
Catalog of common mistakes that break Claude Code agent and skill triggering, plus marketplace validation rules. PROACTIVELY activate for: (1) plugins installed but never trigger, (2) agents failing to route, (3) skills not appearing in discovery, (4) pre-release triggering audit, (5) migrating deprecated agent true flag, (6) zero-frontmatter SKILL.md files, (7) boilerplate in YAML descriptions, (8) abstract descriptions, (9) missing example blocks on fat agents above 2,500 words, (10) missing PROACTIVELY or Provides sections, (11) running validate_plugins.py, (12) auditing a plugin without contradicting earlier intentional refactors. Provides: anti-patterns, fixes, before/after examples, audit checklist, and validator rule index.

0 installs
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Windows Git Bash Testing · josiahsiegel
Windows and Git Bash testing compatibility for Vitest, Playwright, and MSW. PROACTIVELY activate for: (1) Vitest tests failing on Windows but passing on Linux, (2) Playwright on Windows with Git Bash quirks, (3) MSW intercept issues across shells, (4) path normalization in test fixtures, (5) browser binaries on Windows (Playwright install), (6) line-ending issues in test snapshots (CRLF vs LF), (7) cross-platform test scripts in package.json, (8) shell detection in pretest/posttest hooks, (9) CI-on-Windows debugging. Provides: cross-platform package.json scripts, snapshot normalization, Playwright Windows install, MSW shell-aware setup, and CI Windows debugging recipes.

0 installs
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Unity Shaders Rendering · josiahsiegel
Unity shaders, materials, and rendering pipelines (URP/HDRP/Built-in). PROACTIVELY activate for: (1) writing shaders in Shader Graph, HLSL, or ShaderLab, (2) URP and HDRP shader authoring, (3) custom render pipeline work (SRP), (4) lighting setup (baked vs realtime, lightmaps, Global Illumination), (5) post-processing stacks, (6) reflection probes and light probes, (7) custom render features and full-screen passes, (8) shader stripping and variant management, (9) compute shaders, (10) ray tracing in HDRP. Provides: Shader Graph templates, HLSL snippets, URP/HDRP differences, lighting setup recipes, render-feature examples, and shader-variant guidance.

0 installs
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Clerk Frontend Sdks · josiahsiegel
Use for Clerk frontend auth flows. PROACTIVELY activate for React, JavaScript, Vue, Nuxt, Astro, Expo, React Router, TanStack React Start, or SPA setup; ClerkProvider and publishable-key wiring; SignIn/SignUp/UserButton/UserProfile/OrganizationSwitcher; custom useUser/useAuth/useClerk/useSignIn/useSignUp/useSession/useOrganization flows; multi-session UX; cross-origin getToken() fetches; loading states, redirects, routing, CORS/cookies, or hydration bugs. Provides SDK selection, UI patterns, token-fetch templates, and frontend gotchas.

1 install
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Ffmpeg Captions Subtitles · josiahsiegel bundle
Complete subtitle and caption system for FFmpeg 7.1 LTS and 8.0.1 (latest stable, released 2025-11-20). PROACTIVELY activate for: (1) Burning subtitles (hardcoding SRT/ASS/VTT), (2) Adding soft subtitle tracks, (3) Extracting subtitles from video, (4) Subtitle format conversion, (5) Styled captions (font, color, outline, shadow), (6) Subtitle positioning and alignment, (7) CEA-608/708 closed captions, (8) Text overlays with drawtext, (9) Whisper AI automatic transcription (FFmpeg 8.0+ with VAD, multi-language, GPU), (10) Batch subtitle processing. Provides: Format reference tables, styling parameter guide, position alignment charts, Whisper model comparison, VAD configuration, dynamic text examples, accessibility best practices. Ensures: Professional captions with proper styling and accessibility compliance.

2 installs
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Ffmpeg Shapes Graphics · josiahsiegel
Complete shape and graphics overlay system. PROACTIVELY activate for: (1) Drawing rectangles (drawbox), (2) Grid overlays (drawgrid), (3) Circles and ellipses (geq), (4) Image watermarks and logos, (5) Lower third graphics, (6) Progress bars and indicators, (7) Animated overlays, (8) Blend modes and compositing, (9) Safe area guides, (10) Generated patterns (gradients, noise, checkerboards). Provides: Filter syntax reference, position expressions, color format guide, blend mode examples, performance optimization tips. Ensures: Professional graphics overlays and visual effects on video.

1 install
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Ffmpeg Pyav Integration · josiahsiegel bundle
Complete PyAV (Python FFmpeg bindings) integration guide. PROACTIVELY activate for: (1) PyAV installation on Ubuntu/Windows/macOS, (2) Building PyAV against custom FFmpeg, (3) FFmpeg 7.0/8.0+ compatibility, (4) av.open() video/audio decoding, (5) VideoFrame/AudioFrame NumPy conversion, (6) Filter graph processing, (7) Video encoding with H.264/H.265/AV1, (8) Seeking and keyframe extraction, (9) RTSP/network streaming with PyAV, (10) Memory management and thread safety, (11) Error handling with FFmpegError, (12) Subtitle extraction, (13) Container manipulation and remuxing, (14) Performance optimization and threading. Provides: Complete PyAV API patterns, installation guides for all Ubuntu versions, FFmpeg 8.0+ compatibility matrix, type-safe examples, memory management best practices, filter graph examples, encoding/decoding patterns.

1 install
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Datasets Models Sources · josiahsiegel
Kaggle datasets, models, sources, and kagglehub workflows. PROACTIVELY activate for: (1) downloading datasets with kagglehub, (2) uploading datasets, (3) downloading or uploading Kaggle models, (4) competition_download, (5) notebook_output_download, (6) choosing Kaggle CLI vs kagglehub, (7) attaching dataset_sources, competition_sources, kernel_sources, or model_sources, (8) model artifact transfer, (9) source dependency cleanup, (10) kagglehub limitations for notebooks. Provides: dataset/model transfer patterns, source attachment guidance, tool selection, and limitation checks.

1 install
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Modal Compute Knowledge · josiahsiegel bundle
Modal.com serverless compute, GPU, autoscaling, batching, and deployment knowledge. PROACTIVELY activate for: (1) Modal app/function definitions (modal.App, @app.function, @app.cls), (2) running ML/AI workloads serverlessly, (3) GPU configuration (T4, L4, A10G, A100, H100, H200), (4) Modal volumes and shared state, (5) Modal Image builder (apt, pip, run_commands), (6) Modal secrets and environment management, (7) web endpoints (FastAPI, asgi_app, wsgi_app), (8) cron schedules and continuous deployments, (9) Modal sandboxes, (10) cost optimization on Modal (autoscaling, spot, idle timeout), (11) Modal CLI (modal deploy, modal run, modal serve). Provides: app templates, GPU sizing matrix, Image builder recipes, secret patterns, web endpoint examples, and cost-optimization guidance.

1 install
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Modal Storage Knowledge · josiahsiegel bundle
This skill should be used when the user asks to work with Modal.com persistence or shared state. PROACTIVELY activate for: Modal Volumes, vol.commit, Dict, Queue, CloudBucketMount, S3 or GCS mounts, secret-backed storage credentials, model cache persistence, dataset staging, shared queues, distributed state, volume consistency, and storage troubleshooting. Provides: storage primitive selection matrix, commit/consistency patterns, mount configuration recipes, and troubleshooting checklists.

1 install
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Nextjs Routing Advanced · josiahsiegel
Complete Next.js advanced routing system. PROACTIVELY activate for: (1) Dynamic routes with [slug], (2) Catch-all routes [...slug], (3) Route groups for organization, (4) Parallel routes with @slot, (5) Intercepting routes for modals, (6) Private folders with _prefix, (7) Route Handlers (API), (8) Search params handling, (9) Programmatic navigation. Provides: Dynamic routing patterns, parallel route slots, modal interception, API handlers. Ensures flexible routing with proper URL structure.

1 install
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Powershell Security · josiahsiegel
Modern PowerShell security practices for 2025 — SecretManagement, JEA, WDAC, credential protection. PROACTIVELY activate for: (1) Microsoft.PowerShell.SecretManagement and SecretStore for credential storage, (2) Just Enough Administration (JEA) endpoints, (3) Windows Defender Application Control (WDAC) for PowerShell, (4) credential protection (PSCredential, SecureString, DPAPI), (5) module signing and Authenticode signatures, (6) ConstrainedLanguage mode, (7) audit logging (transcription, ScriptBlock logging, module logging), (8) AMSI integration, (9) AppLocker rules for PowerShell, (10) supply-chain security (PSGallery trust, package hash verification). Provides: SecretManagement setup, JEA configuration, WDAC policy templates, signing workflow, and audit-logging configuration.

2 installs
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Python Fundamentals 313 · josiahsiegel
Complete Python 3.13+ fundamentals system. PROACTIVELY activate for: (1) Python 3.13 free-threading (no-GIL), (2) JIT compiler usage, (3) Pattern matching syntax, (4) Walrus operator, (5) F-string features 3.12+, (6) Type parameter syntax 3.12+, (7) Exception groups, (8) Dataclasses and enums, (9) Context managers. Provides: Modern syntax, performance features, best practices, naming conventions. Ensures correct Python 3.13+ patterns with optimal performance.

1 install
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Ado Pipeline Best Practices · josiahsiegel
Azure DevOps pipeline best practices, patterns, and industry standards. PROACTIVELY activate for: (1) authoring or reviewing Azure DevOps YAML pipelines, (2) multi-stage pipeline patterns (build, test, deploy), (3) reusable templates (steps, jobs, stages), (4) pipeline caching (Cache@2 task), (5) parallel jobs and matrix strategies, (6) deployment strategies (rolling, blue-green, canary), (7) approvals and environments, (8) variable groups, secret variables, Key Vault linkage, (9) service connections (Azure RM, GitHub, container registries), (10) pipeline versioning and pinning task major versions. Provides: YAML pattern catalog, template library structure, caching recipes, deployment strategy templates, and a pipeline-quality checklist.

1 install
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Modern Automation Patterns · josiahsiegel
Modern DevOps and CI/CD bash automation patterns with containers and cloud (2025). PROACTIVELY activate for: (1) writing CI/CD scripts (GitHub Actions, GitLab CI, Azure DevOps), (2) container-aware shell scripting (detecting containers, Kubernetes pods), (3) cloud provider helpers (AWS CLI, Azure CLI, gcloud), (4) blue-green and canary deployments via bash, (5) writing idempotent rollback scripts, (6) integrating with Docker/Compose from bash, (7) cross-environment variable management, (8) build matrix orchestration. Provides: copy-pasteable CI snippets, container detection helpers, cloud CLI wrappers, deployment orchestration patterns, and idempotent rollback templates.

1 install
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Process Substitution Fifos · josiahsiegel bundle
Process substitution, named pipes (FIFOs), and advanced IPC patterns for efficient bash data streaming (2025). PROACTIVELY activate for: (1) using process substitution with <(cmd) and >(cmd), (2) creating named pipes (mkfifo) for inter-process streaming, (3) avoiding intermediate temp files in pipelines, (4) tee-ing into multiple consumers, (5) feeding diff/comm with command output, (6) building shell-only producers and consumers, (7) reading from a FIFO with timeout, (8) signal-safe FIFO cleanup. Provides: process substitution patterns, mkfifo recipes, multi-consumer tee patterns, and signal-safe cleanup with trap.

1 install
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Clerk Clock Skew JWT · josiahsiegel
Use for Clerk JWT and session token clock-skew issues. PROACTIVELY activate for "token-not-active-yet", "JWT cannot be used prior to not before", token-expired, nbf/iat/exp claim failures, clockSkewInMs in verifyToken/authenticateRequest, local dev container/WSL2/Docker Desktop time drift, NTP misconfiguration, paused VM clock, serverless cold-start clock issues, custom JWT template verification leeway across Node/Python/Go/Ruby/Java/.NET/PHP, debugging iat vs server-time delta, and separating real expiry from clock skew. Provides nbf/iat/exp semantics, Clerk and library clock-tolerance defaults, container time fix recipes, multi-language leeway patterns, diagnostics, and gotchas.

1 install
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Cloudflare Knowledge · josiahsiegel bundle
Cloudflare platform knowledge — Workers, Pages, R2, D1, KV, Durable Objects, AI, and Zero Trust. PROACTIVELY activate for: (1) Cloudflare Workers (handlers, bindings, wrangler), (2) Cloudflare Pages and Pages Functions, (3) R2 object storage, (4) D1 SQL database, (5) Workers KV and Durable Objects, (6) Workers AI inference (LLMs, embeddings, image gen), (7) Vectorize (vector database), (8) Queues and Email Workers, (9) Zero Trust (Access, Tunnel/cloudflared, Gateway), (10) DNS, WAF, Rate Limiting, Page Rules. Provides: wrangler.toml templates, binding patterns, R2/D1/KV usage, Workers AI examples, and Zero Trust config.

1 install
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Ffmpeg Kinetic Captions · josiahsiegel bundle
Expert kinetic typography and animated caption system for viral video. PROACTIVELY activate for: (1) Kinetic captions with word-grow highlighting, (2) Karaoke-style progressive fill with scale animation, (3) Word bounce/pop effects (CapCut-style), (4) Spring physics text animation, (5) Shake/tremor emphasis effects, (6) Typewriter character reveal, (7) Multi-color karaoke transitions, (8) Elastic overshoot animations, (9) Word-by-word caption reveal, (10) TikTok/Shorts/Reels viral caption styles, (11) Kinetic typography for music videos, (12) Impact text slam effects, (13) Breathing/pulse text animation, (14) Color sweep highlighting, (15) Animated lower thirds. Provides: Complete ASS animation tag reference, word-grow karaoke formulas, spring physics parameters, platform-specific timing profiles, Python generation scripts, production-ready templates, and viral caption best practices for 2025-2026.

1 install
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Nextjs Modal Integration · josiahsiegel bundle
Modal.com integration patterns for Next.js applications. PROACTIVELY activate for: (1) Next.js + Modal backend setup, (2) AI inference from Next.js (LLMs, image generation), (3) Video/audio processing backends, (4) Heavy compute offloading from Vercel, (5) GPU workloads for Next.js apps, (6) Webhook integration between Next.js and Modal, (7) File upload processing, (8) Background job processing, (9) Serverless AI API endpoints, (10) Next.js + Modal authentication patterns. Provides: Architecture patterns, API route integration, webhook handling, file upload workflows, CORS configuration, warm container patterns, streaming responses, and production-ready examples.

1 install
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Tailwindcss Plugins · josiahsiegel
Tailwind CSS plugins — official plugins and custom plugin development. PROACTIVELY activate for: (1) @tailwindcss/typography (prose), (2) @tailwindcss/forms, (3) @tailwindcss/aspect-ratio (now built-in), (4) @tailwindcss/container-queries, (5) writing custom plugins via plugin() API, (6) addUtilities, addComponents, addVariant from plugin API, (7) third-party plugins (tailwindcss-animate, tailwind-merge), (8) in-CSS @utility and @variant in v4 (often replaces JS plugins), (9) plugin migration from v3 JS API to v4 CSS API. Provides: official plugin install/setup, plugin API reference, custom plugin examples, and v3-to-v4 plugin migration guide.

1 install
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Unicode Color Accessibility · josiahsiegel bundle
This skill should be used when the user asks about Unicode rendering, wcwidth, grapheme clusters, emoji, combining marks, East Asian width, BiDi text, box drawing, Nerd Fonts, color themes, truecolor, 256-color fallback, NO_COLOR, contrast, accessibility, screen-reader behavior, keyboard access, reduced motion, or non-TUI fallbacks. PROACTIVELY activate for: Unicode width bugs, misaligned tables, emoji layout, ANSI-aware string measurement, color accessibility, screen-reader friendly CLI design, plain output mode, ASCII fallback, and terminal theme support. Provides: text measurement rules, color/fallback policy, accessibility checklist, and failure-mode fixes.

0 installs
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Azure Ml Foundry Workspace · josiahsiegel bundle
Azure Machine Learning Workspace and Azure AI Foundry deep dive. PROACTIVELY activate for: (1) creating and configuring Azure ML workspaces, (2) Azure AI Foundry hubs and projects, (3) ML workspace networking (managed VNet, private endpoints, DNS), (4) ML compute clusters and compute instances, (5) managed online endpoints, batch endpoints, Kubernetes endpoints, (6) managed identities for ML resources, (7) ACR integration for custom environments, (8) storage account configuration, (9) az ml CLI v2 commands, (10) PowerShell Az.MachineLearningServices, (11) reading ML compute and deployment logs, (12) GPU SKU selection (ND/NC series, H100/H200/A100). Provides: workspace setup playbook, network-isolation patterns, endpoint deployment templates, az ml CLI cheat sheet, and log diagnosis workflow.

1 install
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String Manipulation Mastery · josiahsiegel bundle
Advanced bash string manipulation including parameter expansion, pattern matching, regex, and text processing (2025). PROACTIVELY activate for: (1) parameter expansion (prefix/suffix removal, search/replace, substring), (2) regex matching with [[ =~ ]] and BASH_REMATCH, (3) case modification (uppercase/lowercase), (4) substring extraction without sed/awk, (5) splitting strings into arrays via IFS, (6) escaping for safe interpolation, (7) URL encoding and decoding in pure bash, (8) trimming whitespace, (9) avoiding subshell overhead in tight loops. Provides: parameter-expansion cheat sheet, regex patterns with BASH_REMATCH examples, case-conversion recipes, and IFS-based splitting/joining patterns.

1 install
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Ffmpeg Opencv Integration · josiahsiegel bundle
Complete FFmpeg + OpenCV + Python integration guide for video processing pipelines. PROACTIVELY activate for: (1) FFmpeg to OpenCV frame handoff, (2) cv2.VideoCapture vs ffmpeg subprocess, (3) BGR/RGB color format conversion gotchas, (4) Frame dimension order img[y,x] vs img[x,y], (5) ffmpegcv GPU-accelerated video I/O, (6) VidGear multi-threaded streaming, (7) Decord batch video loading for ML, (8) PyAV frame-level processing, (9) Audio stream preservation with video filters, (10) Memory-efficient frame generators, (11) OpenCV + FFmpeg + Modal parallel processing, (12) Pipe frames between FFmpeg and OpenCV. Provides: Color format conversion patterns, coordinate system gotchas, library selection guide, memory management, subprocess pipe patterns, GPU-accelerated alternatives to cv2.VideoCapture. Ensures: Correct integration between FFmpeg and OpenCV without color/coordinate bugs. See also: ffmpeg-python-integration-reference for type-safe parameter mappings.

1 install
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Performance Optimization · josiahsiegel bundle
Power BI performance optimization for slow reports, models, and queries. PROACTIVELY activate for: (1) report is slow or visuals take forever to load, (2) DAX Studio and VertiPaq Analyzer profiling, (3) Performance Analyzer in Power BI Desktop, (4) optimizing slow DAX measures, (5) slow visuals diagnosis, (6) aggregations and composite-model tuning, (7) query reduction techniques (visual settings, top N), (8) model size reduction (cardinality, calculated columns, summary tables), (9) VertiPaq compression tuning, (10) Direct Lake performance and fallback rules, (11) large-dataset (10GB+) optimization. Provides: profiling workflow with DAX Studio, VertiPaq compression checklist, aggregation-table patterns, model-size reduction techniques, and end-to-end performance investigation playbook.

1 install
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Programmatic Development · josiahsiegel bundle
Programmatic Power BI development with PBIR, PBIP, TMDL, TOM, and fabric-cicd. PROACTIVELY activate for: (1) creating Power BI reports programmatically (PBIR enhanced report format), (2) PBIR vs PBIR-Legacy selection (2026 default), (3) PBIP developer mode and Power BI project files, (4) Tabular Object Model (TOM) / .NET SDK scripting, (5) Tabular Editor scripting (C# scripts, advanced scripting), (6) pbi-tools workflows, (7) fabric-cicd Python deployments (FabricWorkspace, publish_all_items), (8) Fabric CLI (fab deploy), (9) Semantic Link / sempy / semantic-link-labs, (10) generating PBIX programmatically, (11) parameter.yml for environment-specific deployments, (12) ALM Toolkit. Provides: PBIR/PBIP project templates, fabric-cicd deploy.py, Tabular Editor scripting recipes, parameter.yml patterns, and end-to-end programmatic workflows.

1 install
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Python Package Management · josiahsiegel
Complete Python package management system. PROACTIVELY activate for: (1) uv package manager (10-100x faster), (2) pyproject.toml configuration, (3) Virtual environment setup, (4) Dependency management with uv.lock, (5) Ruff linting and formatting, (6) src layout project structure, (7) Publishing to PyPI, (8) pip and requirements.txt. Provides: uv commands, pyproject.toml templates, ruff config, pre-commit setup. Ensures modern Python project setup with fast tooling.

1 install
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Rendering Layout Performance · josiahsiegel bundle
This skill should be used when the user asks to implement, optimize, debug, or review TUI rendering, layout, repainting, flicker, frame buffers, diff rendering, terminal resize behavior, alternate screen lifecycle, scrollback, viewports, tables, dashboards, progress displays, or performance over SSH/tmux. PROACTIVELY activate for: rendering performance, layout bugs, flicker, alternate screen cleanup, resize handling, terminal dashboards, frame pacing, virtual DOM/cell buffers, double buffering, dirty regions, scroll regions, long-running tasks, and high-frequency updates. Provides: render-loop rules, layout patterns, performance budgets, lifecycle cleanup checks, and failure triage.

1 install
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Parallel Processing Patterns · josiahsiegel bundle
Parallel and concurrent processing patterns in bash including GNU Parallel, xargs -P, job pools, and async patterns (2025). PROACTIVELY activate for: (1) running tasks in parallel from bash, (2) xargs -P for parallel command execution, (3) GNU parallel for complex distribution, (4) background jobs with & and wait, (5) implementing a concurrency cap (job pool of N workers), (6) collecting exit codes from parallel children, (7) preventing race conditions in shared output files, (8) parallel file processing across many cores. Provides: xargs -P recipes, GNU parallel quick reference, job-pool implementations in pure bash, exit-code aggregation patterns, and FIFO-based work queues.

1 install
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Ffmpeg Hardware Acceleration · josiahsiegel bundle
Complete GPU-accelerated encoding/decoding system for FFmpeg 7.1 LTS and 8.0.1 (latest stable, released 2025-11-20). PROACTIVELY activate for: (1) NVIDIA NVENC/NVDEC encoding, (2) Intel Quick Sync Video (QSV), (3) AMD AMF encoding, (4) Apple VideoToolbox, (5) Linux VAAPI setup, (6) Vulkan Video 8.0 (FFv1, AV1, VP9, ProRes RAW), (7) VVC/H.266 hardware decoding (VAAPI/QSV), (8) GPU pipeline optimization with pad_cuda, (9) Docker GPU containers, (10) Performance benchmarking. Provides: Platform-specific commands, preset comparisons, quality tuning, full GPU pipeline examples, Vulkan compute codecs, VVC decoding, troubleshooting guides. Ensures: Maximum encoding speed with optimal quality using GPU acceleration.

1 install
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Ffmpeg Modal Containers · josiahsiegel bundle
Complete Modal.com FFmpeg deployment system for serverless video processing. PROACTIVELY activate for: (1) Modal.com FFmpeg container setup, (2) GPU-accelerated video encoding on Modal (NVIDIA, NVENC), (3) Parallel video processing with Modal map/starmap, (4) Volume mounting for large video files, (5) CPU vs GPU container cost optimization, (6) apt_install/pip_install for FFmpeg, (7) Python subprocess FFmpeg patterns, (8) Batch video transcoding at scale, (9) Modal pricing for video workloads, (10) Audio/video processing with Whisper. Provides: Image configuration examples, GPU container patterns, parallel processing code, volume usage, cost comparisons, production-ready FFmpeg deployments. Ensures: Efficient, scalable video processing on Modal serverless infrastructure.

1 install
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Flow Orchestrator 2025 · josiahsiegel bundle
Salesforce Flow Orchestrator for multi-user, multi-step business processes (2025). PROACTIVELY activate for: (1) building Flow Orchestrations (autolaunched and screen flows), (2) work assignment to users, queues, or roles, (3) interactive vs background steps, (4) approval-style workflows in Flow, (5) parallel and sequential stages, (6) Flow Orchestrator events (StageCompleted, OrchestrationCanceled), (7) error handling and resume patterns, (8) testing orchestrations, (9) migrating from legacy Process Builder/Workflow Rules, (10) Flow Orchestrator vs Approval Process tradeoffs. Provides: orchestration design patterns, stage/step templates, error-handling recipes, and migration guidance.

1 install
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Tailwindcss Debugging · josiahsiegel bundle
Tailwind CSS debugging and troubleshooting common issues. PROACTIVELY activate for: (1) classes not applying / no styles in browser, (2) JIT mode not picking up dynamic class names (string concatenation), (3) v3-to-v4 migration errors, (4) PostCSS configuration issues, (5) IntelliSense not autocompleting in VS Code, (6) production build missing classes (purge/content config), (7) CSS variable conflicts, (8) specificity issues with @layer, (9) prefix conflicts with other CSS frameworks, (10) HMR not updating styles. Provides: troubleshooting decision tree, dynamic-class allowlist patterns, content-config templates, IntelliSense setup, and PostCSS debugging steps.

1 install
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Viral Video Long Form · josiahsiegel bundle
Complete YouTube long-form video optimization for maximum watch time, SEO, and viral potential. PROACTIVELY activate for: (1) YouTube video strategy, (2) Long-form content planning, (3) Watch time optimization, (4) YouTube SEO, (5) Thumbnail design strategy, (6) Audience retention techniques, (7) YouTube monetization, (8) Connected TV optimization, (9) YouTube algorithm understanding. Provides: Video length optimization, thumbnail best practices, SEO strategies, retention techniques, monetization guidelines, and analytics interpretation.

0 installs
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Windows Git Bash Compatibility · josiahsiegel
Windows and Git Bash compatibility for ADF tooling. PROACTIVELY activate for: (1) MSYS_NO_PATHCONV usage with ADF CLI tools, (2) Git Bash path conversion when running ADF npm builds, (3) PowerShell scripts called from Git Bash for ADF, (4) Azure CLI from Git Bash on Windows for ADF deployments, (5) ARM template export issues on Windows, (6) ADF utilities npm package on Windows, (7) line-ending issues in JSON pipeline definitions. Provides: MSYS env-var recipes, npm-on-Windows fixes, PowerShell-from-bash patterns, and Azure CLI auth on Git Bash.

0 installs
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Ffmpeg Deinterlacing Telecine · josiahsiegel
Complete FFmpeg deinterlacing, field processing, and telecine removal for broadcast and professional video. PROACTIVELY activate for: (1) Deinterlacing interlaced video (yadif, bwdif, w3fdif), (2) Hardware-accelerated deinterlacing (yadif_cuda, bwdif_cuda, bwdif_vulkan), (3) Inverse telecine/pulldown removal (pullup, fieldmatch), (4) Field order correction (fieldorder), (5) Field separation/weaving (separatefields, weave, tinterlace), (6) Interlace detection (idet), (7) DVD/Blu-ray processing, (8) Broadcast content conversion. Provides: Deinterlacing filters, telecine removal, field processing, hardware acceleration options.

1 install
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Ffmpeg Docker Containers · josiahsiegel
Complete Docker FFmpeg deployment system. PROACTIVELY activate for: (1) Docker FFmpeg image selection (jrottenberg, linuxserver), (2) GPU passthrough (NVIDIA, Intel, AMD), (3) Volume mounting and permissions, (4) Docker Compose video processing, (5) Kubernetes FFmpeg jobs, (6) Custom Dockerfile builds, (7) Windows/Linux/macOS Docker usage, (8) Resource limits and optimization, (9) Watch folder automation, (10) Production container patterns. Provides: Image comparison tables, GPU Docker commands, Compose examples, K8s manifests, troubleshooting guides. Ensures: Consistent, isolated FFmpeg environments across platforms.

1 install
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Modal Sandboxes Knowledge · josiahsiegel bundle
This skill should be used when the user asks to run isolated or untrusted code on Modal.com. PROACTIVELY activate for: modal.Sandbox, safe user code execution, coding playgrounds, named sandboxes, PTY sessions, filesystem snapshots, timeout and resource limits, egress policies, sandbox lifecycle cleanup, terminate(), and security review for code execution. Provides: sandbox security checklist, lifecycle and cleanup patterns, egress/resource-limit recipes, and snapshot/PTY usage examples.

1 install
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Powershell 2025 Changes · josiahsiegel
Critical PowerShell changes, deprecations, and migrations for 2025. PROACTIVELY activate for: (1) PowerShell 7.5 GA changes, (2) PowerShell 7.6 preview features, (3) Windows PowerShell 5.1 deprecation timeline, (4) PSReadLine 2.4+ updates, (5) Az PowerShell 14.x breaking changes, (6) Microsoft.Graph migration from AzureAD/MSOnline modules, (7) PSResourceGet replacing PowerShellGet 2.x, (8) DSC v3 and migration from DSC v1/v2, (9) ExecutionPolicy and constrained language mode updates, (10) .NET 9/.NET 10 integration impact. Provides: deprecation timeline, breaking-change checklist, migration scripts (AzureAD to Microsoft.Graph), and PSResourceGet upgrade steps.

2 installs
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Powershell 7 5 Features · josiahsiegel bundle
PowerShell 7.5/7.6 features and enhancements. PROACTIVELY activate for: (1) PowerShell 7.5 stable features, (2) PowerShell 7.6 preview features, (3) ConvertTo-CliXml/ConvertFrom-CliXml, (4) Test-Path -OlderThan/-NewerThan, (5) += operator optimization (8x-16x faster), (6) PSResourceGet 1.1.1/1.2.0, (7) Get-Clipboard -Delimiter, (8) Get-Command -ExcludeModule, (9) DSC v3 resources, (10) .NET 9/.NET 10 integration. Provides: Latest cmdlet usage, performance benchmarks, migration patterns.

1 install
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Lightning 2025 Features · josiahsiegel
Salesforce Lightning Web Components and platform features (Winter '26 / 2025). PROACTIVELY activate for: (1) authoring Lightning Web Components (LWC), (2) Wire service and @wire decorator, (3) Apex from LWC (imperative, @wire), (4) Lightning Data Service and recordEditForm/recordViewForm, (5) Lightning Design System (SLDS) styling, (6) Salesforce Mobile App development, (7) LWC events (composed, bubbles, custom events), (8) LWC testing with Jest and sfdx-lwc-jest, (9) Winter '26 platform features (new APIs, deprecations), (10) LWC + Experience Cloud customization. Provides: LWC component templates, @wire patterns, SLDS class reference, Jest test recipes, and Winter '26 changelog.

0 installs
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Ssdt Cicd Best Practices 2025 · josiahsiegel bundle
Modern SSDT CI/CD best practices for SQL Server database development (2025). PROACTIVELY activate for: (1) SSDT CI/CD pipeline design, (2) state-based deployment with DACPACs, (3) tSQLt unit testing integration, (4) database build validation in CI, (5) drift detection via SqlPackage Extract + Compare, (6) Azure DevOps and GitHub Actions templates for SSDT, (7) publish profile management per environment, (8) pre/post deploy scripts with idempotent MERGE, (9) DACPAC versioning and artifacts, (10) handling reference databases. Provides: end-to-end pipeline YAML for ADO and GHA, tSQLt setup, drift-detection scripts, and a publish-profile pattern for dev/test/prod.

1 install
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Tailwindcss Animations · josiahsiegel bundle
Tailwind CSS animations and transitions including built-in utilities and custom keyframes. PROACTIVELY activate for: (1) animate-* utilities (spin, ping, pulse, bounce), (2) custom @keyframes via @theme animate, (3) transition utilities (transition, duration, ease), (4) transforms (scale, rotate, translate) with transition, (5) prefers-reduced-motion: reduce, (6) Framer Motion / Motion One integration with Tailwind, (7) CSS scroll-driven animations (animation-timeline), (8) view transitions API with Tailwind, (9) hover, focus, group-hover transitions, (10) staggered list animations. Provides: animation utility reference, custom keyframe examples, reduced-motion pattern, Framer Motion integration, and scroll-driven animation recipes.

1 install
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Viral Video Short Form · josiahsiegel bundle
Complete short-form video optimization for TikTok, Instagram Reels, YouTube Shorts, and Facebook Reels. PROACTIVELY activate for: (1) TikTok content strategy, (2) Instagram Reels optimization, (3) YouTube Shorts creation, (4) Facebook Reels strategy, (5) Short-form hook creation, (6) Vertical video best practices, (7) Trending audio selection, (8) Loop optimization, (9) Quick engagement tactics. Provides: Platform-specific length recommendations, algorithm insights, hook formulas, trending strategies, caption techniques, hashtag optimization, and posting schedules.

0 installs
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Debugging Troubleshooting 2025 · josiahsiegel
Comprehensive bash script debugging and troubleshooting techniques for 2025. PROACTIVELY activate for: (1) debugging a misbehaving bash script, (2) using set -x, set -e, set -u, set -o pipefail (strict mode), (3) customizing PS4 for richer trace output, (4) trap DEBUG, ERR, and EXIT for diagnostics, (5) bashdb and other interactive debuggers, (6) profiling slow scripts (timing, BASH_REMATCH overhead), (7) reproducing CI-only failures locally, (8) resolving unbound variable or command not found errors, (9) understanding subshell vs current-shell variable scope. Provides: strict-mode template, PS4 patterns, trap recipes for instrumentation, profiling techniques, and a step-by-step debugging playbook.

1 install
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Ffmpeg Filter Complex Patterns · josiahsiegel
Complete guide to FFmpeg filter_complex syntax, multi-input/output pipelines, and composition patterns. PROACTIVELY activate for: (1) filter_complex syntax questions, (2) Multi-input video composition (PiP, grids, overlays), (3) Video transitions (xfade, fades, wipes), (4) Audio mixing (amix, amerge), (5) Stream splitting and routing, (6) Named stream labels, (7) Complex filtergraphs, (8) GPU + CPU hybrid filter chains, (9) ABR encoding ladders, (10) Text and watermark overlays. Provides: Syntax reference, composition patterns, audio mixing examples, transition effects, GPU-accelerated filtergraphs, debugging tips.

1 install
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Tailwindcss Performance · josiahsiegel bundle
Tailwind CSS performance optimization including v4 improvements. PROACTIVELY activate for: (1) Tailwind v4 Oxide engine performance, (2) Lightning CSS minification, (3) reducing CSS bundle size, (4) content config tuning to avoid scanning unused files, (5) safelist for dynamic classes (without bloating), (6) production builds with @apply minimization, (7) critical CSS extraction, (8) HTTP caching of generated CSS, (9) avoiding @apply overuse (utility-first preferred), (10) PurgeCSS / content-detection edge cases. Provides: performance tuning checklist, Oxide engine notes, content config patterns, safelist guidance, and critical-CSS workflow.

1 install
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Azure Emulators 2025 · josiahsiegel
Azure service emulators for local development in Docker (2025). PROACTIVELY activate for: (1) Azurite for Storage (Blob, Queue, Table) emulation, (2) Cosmos DB Linux Emulator container, (3) Event Hubs emulator, (4) Service Bus emulator, (5) Azure Functions Core Tools image, (6) Azure SQL Edge container, (7) Azure App Configuration emulator, (8) connection-string conventions for emulators, (9) seeding emulators with fixtures, (10) running integration tests against emulators in CI. Provides: emulator selection matrix, docker-compose templates, well-known dev connection strings, seed-data patterns, and CI integration recipes.

1 install
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Microsoft Guide · josiahsiegel bundle
Microsoft .NET Microservices Architecture Guide reference. PROACTIVELY activate for: (1) reading or applying patterns from Microsoft .NET Microservices Architecture for Containerized .NET Applications, (2) eShopOnContainers reference architecture, (3) DDD and bounded contexts, (4) integration events (RabbitMQ, Azure Service Bus), (5) API gateway patterns (Ocelot, YARP), (6) resilience patterns (Polly), (7) data patterns (CQRS, event sourcing), (8) testing strategies in microservices, (9) deployment to Kubernetes/AKS/Container Apps. Provides: chapter-by-chapter summary, code patterns from eShopOnContainers, decision matrices for sync vs async integration, and links into specific guide sections.

1 install
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Ffmpeg Karaoke Animated Text · josiahsiegel bundle
Complete karaoke subtitle system and advanced animated text effects. PROACTIVELY activate for: (1) Karaoke-style highlighted lyrics, (2) ASS/SSA advanced subtitle styling, (3) Scrolling credits (horizontal/vertical), (4) Typewriter text animation, (5) Bouncing/moving text, (6) Text fade in/out effects, (7) Word-by-word text reveal, (8) Kinetic typography, (9) Lower thirds animation, (10) Countdown timers and dynamic text. Provides: ASS karaoke timing format, drawtext with time expressions, scrolling text patterns, text animation formulas, kinetic typography techniques, subtitle styling reference, multi-line animated text.

1 install
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Tailwindcss Mobile First · josiahsiegel bundle
Mobile-first responsive design patterns with Tailwind CSS v4 (2025-2026). PROACTIVELY activate for: (1) mobile-first design with Tailwind breakpoints (sm:, md:, lg:, xl:, 2xl:), (2) responsive utility ordering (default = mobile, then breakpoints), (3) responsive typography (text-base sm:text-lg lg:text-xl), (4) responsive grids and flexbox, (5) hide/show across breakpoints (hidden md:block), (6) max-* breakpoints for desktop-down overrides, (7) container queries (@container) for component-level responsiveness, (8) safe-area insets and notch handling, (9) landscape vs portrait orientation, (10) touch vs hover (hover: with @media). Provides: breakpoint reference, mobile-first patterns, container-query examples, safe-area recipes, and touch/hover handling.

1 install
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Compose Patterns 2025 · josiahsiegel
Docker Compose production patterns for 2025 (multi-environment, health checks, modern features). PROACTIVELY activate for: (1) production Docker Compose patterns, (2) multi-environment strategies (compose.override.yml, compose.production.yml), (3) HEALTHCHECK and depends_on with conditions (service_healthy, service_started), (4) Compose v2 features (profiles, includes, watch), (5) secrets and configs (Compose secrets), (6) network segmentation in Compose, (7) resource limits (deploy.resources), (8) restart policies, (9) Compose for swarm vs standalone, (10) migrating from v3 to current Compose Spec. Provides: production compose templates, multi-env override patterns, healthcheck recipes, secrets handling, and Compose Spec migration.

1 install
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Powershell Shell Detection · josiahsiegel
PowerShell vs Git Bash/MSYS2 shell detection and cross-shell compatibility on Windows. PROACTIVELY activate for: (1) detecting whether script runs under PowerShell, pwsh, Git Bash, or cmd, (2) shell-specific path handling, (3) MSYS_NO_PATHCONV when calling Windows binaries from Git Bash, (4) PowerShell from Git Bash and vice versa, (5) line-ending differences (CRLF vs LF), (6) environment variable differences (env: VAR vs VAR vs percent VAR percent), (7) calling PowerShell scripts (.ps1) from bash and bash scripts from PowerShell, (8) profile loading differences. Provides: shell-detection one-liners, path-conversion helpers, env-var portability patterns, and cross-shell invocation recipes.

2 installs
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Tailwindcss Accessibility · josiahsiegel
Tailwind CSS accessibility patterns including WCAG 2.2 compliance, touch targets, focus management, and ARIA. PROACTIVELY activate for: (1) building accessible UI with Tailwind, (2) WCAG 2.2 compliance (Level A, AA, AAA), (3) focus rings and focus-visible styling, (4) minimum touch-target sizes (24x24/44x44), (5) color contrast and text legibility, (6) screen-reader-only utilities (sr-only, not-sr-only), (7) prefers-reduced-motion handling, (8) ARIA attribute styling (data-state, aria-* selectors), (9) keyboard navigation patterns, (10) accessible forms (label association, error announcements). Provides: WCAG 2.2 checklist, focus-management utilities, touch-target sizing recipes, sr-only patterns, and accessible component templates.

1 install
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Ado Windows Git Bash Compatibility · josiahsiegel
Windows and Git Bash compatibility for Azure Pipelines. PROACTIVELY activate for: (1) pipelines that pass on Linux but fail on Windows agents, (2) path conversion issues in pipeline scripts (MSYS, MINGW), (3) shell detection (bash@3, pwsh@2, powershell@2 task selection), (4) MSYS_NO_PATHCONV and MSYS2_ARG_CONV_EXCL workarounds, (5) Windows self-hosted agent configuration, (6) cross-platform script patterns, (7) line-ending issues (CRLF vs LF) in checked-in scripts, (8) Docker on Windows agents, (9) UNC and long-path limitations. Provides: shell-task selection matrix, path-conversion env-var recipes, line-ending fixes, and a Windows-specific pipeline troubleshooting playbook.

1 install
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Azure Well Architected Framework · josiahsiegel
Azure Well-Architected Framework (WAF) for cloud architecture review. PROACTIVELY activate for: (1) Azure architecture review or design, (2) Reliability pillar (availability zones, geo-replication, backup/restore, RPO/RTO), (3) Security pillar (Zero Trust, encryption at rest/in transit, identity, network segmentation), (4) Cost Optimization pillar (rightsizing, reserved instances, savings plans, FinOps), (5) Operational Excellence pillar (IaC, observability, automation), (6) Performance Efficiency pillar (caching, autoscaling, async patterns), (7) Sustainability pillar, (8) WAF Reviews via the WAF Assessment Tool, (9) Microsoft Cloud Adoption Framework (CAF) alignment. Provides: pillar-by-pillar checklist, WAF assessment workflow, common antipatterns by pillar, and Azure Advisor mapping.

1 install
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Docker Watch Mode 2025 · josiahsiegel
Docker Compose Watch mode for hot reload during local development (2025 GA). PROACTIVELY activate for: (1) docker compose watch setup, (2) watch action types (sync, rebuild, sync+restart, sync+exec), (3) configuring path filters and ignore patterns, (4) hot-reload for Node/Python/Go/Rust apps in Compose, (5) sync-only vs rebuild trade-offs, (6) using watch with profiles, (7) debugging watch mode (verbose logs), (8) integrating watch with bind mounts, (9) Compose watch vs nodemon/air/cargo-watch. Provides: watch action reference, per-language hot-reload examples, path filter patterns, and troubleshooting steps.

1 install
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Ffmpeg Color Grading Chromakey · josiahsiegel
Complete color manipulation and green screen effects system. PROACTIVELY activate for: (1) Green screen/chromakey removal, (2) Color grading with LUTs, (3) Color correction (levels, curves, white balance), (4) Colorkey/color removal effects, (5) Hue/saturation manipulation, (6) Color space conversions (BT.709, BT.2020, HDR), (7) Color isolation effects, (8) Teal and orange look, (9) Vintage/film looks, (10) Color keying for transparency. Provides: chromakey and colorkey filters, LUT application (lut3d), curves and levels adjustment, color balance, selective color manipulation, color space handling, HDR tone mapping, professional color grading chains.

1 install
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Ffmpeg Cloudflare Containers · josiahsiegel
Complete Cloudflare Container FFmpeg system. PROACTIVELY activate for: (1) Cloudflare Containers setup, (2) Native FFmpeg at edge, (3) GPU-accelerated containers, (4) Durable Objects integration, (5) R2 storage for video files, (6) Container autoscaling, (7) Streaming large files, (8) Workers + Containers architecture, (9) Live streaming relay at edge, (10) Container vs Workers comparison. Provides: Dockerfile examples, Worker code, container configuration, GPU setup, R2 integration, production patterns. Ensures: Native FFmpeg performance at Cloudflare edge with full GPU support.

1 install
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Viral Video Hook Templates · josiahsiegel bundle
10 proven viral video hook templates with FFmpeg implementations for maximum first-3-second retention. PROACTIVELY activate for: (1) Video hook creation, (2) Opening sequence optimization, (3) Attention-grabbing techniques, (4) Pattern interrupt effects, (5) Curiosity gap implementation, (6) Text overlay hooks, (7) Visual hook effects, (8) Audio hook strategies, (9) Retention optimization, (10) Scroll-stopping content. Provides: Research-backed hook formulas, FFmpeg filter implementations, psychological triggers, platform-specific hooks, A/B testing workflows, and real-world examples with measurable impact.

0 installs
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Viral Video Platform Specs · josiahsiegel bundle
Complete platform upload specifications for viral video creation across TikTok, YouTube Shorts, Instagram Reels, Facebook Reels, Snapchat Spotlight, and Twitter/X. PROACTIVELY activate for: (1) Platform-specific video encoding, (2) Upload requirements lookup, (3) Multi-platform export, (4) File size optimization, (5) Aspect ratio conversion, (6) Duration limits, (7) Audio requirements, (8) Caption/subtitle specs, (9) Thumbnail requirements, (10) Quality vs compatibility trade-offs. Provides: Comprehensive spec tables, FFmpeg presets per platform, optimal encoding settings, file size calculators, batch export workflows, and 2025-2026 platform-specific algorithm insights.

0 installs
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Tailwindcss Fundamentals V4 · josiahsiegel bundle
Tailwind CSS v4 fundamentals — installation, CSS-first configuration, and 2025-2026 best practices. PROACTIVELY activate for: (1) installing Tailwind v4 (Vite plugin, PostCSS, CLI), (2) CSS-first configuration with @theme, (3) @import "tailwindcss" syntax, (4) v3-to-v4 migration, (5) new utilities introduced in v4 (text-shadow, mask-*, container queries), (6) Lightning CSS engine, (7) zero-config content detection, (8) Oxide engine performance, (9) @utility for custom utilities, (10) @variant for custom variants. Provides: v4 install guide, @theme reference, v3-to-v4 migration checklist, new utility catalog, and @utility/@variant examples.

1 install
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Widgets State Security Distribution · josiahsiegel bundle
This skill should be used when the user asks about TUI widgets, forms, dialogs, tables, trees, charts, command palettes, split panes, scrollbars, validation, state management, Elm/MVU architecture, async message passing, configuration, packaging, distribution, terminal security, escape-sequence injection, paste sanitization, or production hardening. PROACTIVELY activate for: widget design, validation, virtual scrolling, config/keybinding files, XDG paths, packaging, secure terminal output, and release readiness. Provides: widget contracts, state patterns, config, security, and distribution checklists.

0 installs
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Viral Video Hooks Retention · josiahsiegel bundle
Master hook creation and audience retention for viral video success. PROACTIVELY activate for: (1) Video hook optimization, (2) Opening second strategies, (3) Audience retention improvement, (4) Attention capture techniques, (5) Psychological triggers, (6) Pattern interrupts, (7) Watch time optimization, (8) Drop-off prevention, (9) Engagement psychology. Provides: Hook formulas, psychological trigger frameworks, retention benchmarks, pattern interrupt techniques, and actionable retention improvement strategies.

0 installs
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Clerk Environments Deployment · josiahsiegel
Use for Clerk dev/prod readiness, deployment, and multi-language implementation planning. PROACTIVELY activate for environment variables, pk_test/sk_test vs pk_live/sk_live, local dev, preview/staging/prod instances, domains/DNS, redirects, OAuth credentials, custom domains/proxy, authorizedParties, CSP, CORS/cookies, webhooks/tunnels, Vercel/Netlify/Cloudflare/API gateways, monitoring/troubleshooting, and backends in Node/Express/Fastify, Python/FastAPI/Django/Flask, Go, Ruby/Rails, Java/Spring, .NET, PHP/Laravel. Provides checklists, rollout plans, and language-portable patterns.

1 install
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Ffmpeg Glitch Distortion Effects · josiahsiegel
Complete glitch art, datamosh, and video distortion effects system. PROACTIVELY activate for: (1) Datamosh/pixel bleeding effects, (2) VHS/analog glitch simulation, (3) Digital corruption effects, (4) Displacement mapping, (5) Wave/ripple distortions, (6) Pixelation and mosaic effects, (7) Chromatic aberration, (8) Scan line effects, (9) Time-based distortions (echo, trails), (10) Lens distortion and barrel effects. Provides: minterpolate for datamosh, displacement filter, geq pixel manipulation, noise and artifacts, rgbashift/chromashift for color separation, lagfun for trails, tmix for frame blending, tblend for frame difference effects.

1 install
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Stripe Credit Audit Trail · josiahsiegel
credit_transactions audit trail invariants and daily reconciliation patterns. PROACTIVELY activate for: (1) Designing a credit / balance / entitlement ledger, (2) credit_transactions row shape (delta, balanceAfter, reason, referenceType, referenceId, idempotencyKey), (3) Canonical idempotency key formats (refund:/debit:/stripe_checkout:/stripe_invoice:/stripe_refund:/stripe_signup_bonus:/dispute_hold:/dispute_restore:), (4) Daily reconciliation cron design (snapshot comparison, not full-sum), (5) Alert-only policy (never auto-correct drift), (6) Canonical refund helper pattern (single source of truth across pg-raw and Drizzle call sites), (7) Past_due block + credit balance shared preflight, (8) creditsDeducted boolean return pattern for pre- vs post-deduction error differentiation, (9) Money-safe email description based on resolvedVia flag, (10) Skip-users-without-baseline-snapshot reconciliation logic. Provides: table schema, canonical helper skeleton, reconciliation SQL, email gating pattern.

1 install
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Tailwindcss Advanced Layouts · josiahsiegel
Tailwind CSS advanced layout techniques including CSS Grid and Flexbox patterns. PROACTIVELY activate for: (1) building complex layouts with CSS Grid, (2) grid-template-areas via Tailwind v4 arbitrary values, (3) responsive grid (grid-cols-*, auto-fit, minmax), (4) Flexbox patterns (flex-1, flex-grow, gap), (5) sticky headers and footers, (6) holy grail layout, (7) masonry-style layouts, (8) container queries (@container) with Tailwind, (9) subgrid usage, (10) aspect-ratio utilities, (11) magazine-style multi-column layouts. Provides: Grid template recipes, container-query patterns, holy-grail templates, masonry alternatives, and aspect-ratio examples.

1 install
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Ffmpeg Animation Timing Reference · josiahsiegel bundle
Definitive reference for FFmpeg and ASS/SSA animation timing units, optimal durations, and best practices. PROACTIVELY activate for: (1) Animation timing questions, (2) ASS subtitle timing, (3) Karaoke timing tags, (4) Caption duration calculation, (5) Transition duration selection, (6) Fade/zoom timing, (7) Frame rate considerations, (8) Platform-specific timing (TikTok/Shorts/Reels), (9) Readability formulas, (10) Audio-video sync tolerances. Provides: Complete time unit reference tables, optimal duration guidelines, psychology-based timing recommendations, caption readability formulas, and platform-specific timing profiles.

1 install
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Stripe Webhook Idempotency · josiahsiegel
Server-side Stripe webhook idempotency patterns. PROACTIVELY activate for: (1) Stripe webhook handler design, (2) Transactional dedup via stripe_processed_events, (3) credit_transactions.idempotency_key UNIQUE partial indexes, (4) Idempotency-Key header priority (header > body > server UUID), (5) Idempotency key format/charset/length validation at the handler edge, (6) FOR UPDATE row locking when a UPDATE depends on a prior SELECT, (7) Webhook signature verification (stripe.webhooks.constructEventAsync, tolerance, raw-body reading), (8) Retry-safe endpoints with randomUUID fallback, (9) Durable checkpoint row ordering (checkpoint FIRST, mutation SECOND). Provides: complete webhook handler skeleton, Idempotency-Key validator, dedup SQL, FOR UPDATE pattern, signature verification example.

1 install
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Windows Path Troubleshooting · josiahsiegel bundle
Complete Windows file path troubleshooting knowledge for Claude Code on Git Bash and Windows environments. PROACTIVELY activate for: (1) file path errors on Windows, (2) backslash vs forward slash issues, (3) Edit/Write/Read tool failures, (4) MINGW path resolution, (5) cross-platform path conversion, (6) MSYS_NO_PATHCONV usage, (7) double-slash escape patterns (//c/foo), (8) UNC and long path limits, (9) WSL vs native Windows interop. Provides: path-conversion rules, troubleshooting flowchart, MSYS env-var recipes, double-slash escape patterns, and Windows file-operation best practices.

0 installs
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Ffmpeg Python Integration Reference · josiahsiegel bundle
Authoritative Python-FFmpeg parameter integration reference ensuring type safety, accurate parameter mappings, and proper unit conversions. PROACTIVELY activate for: (1) ffmpeg-python library usage, (2) Python subprocess FFmpeg calls, (3) Caption/subtitle parameter mapping (drawtext, ASS), (4) Color format conversions (BGR, RGB, ABGR, ASS &HAABBGGRR), (5) Time unit conversions (seconds, centiseconds, milliseconds), (6) Type safety validation (int, float, string), (7) Coordinate systems, (8) Parameter range enforcement, (9) Frame pipe handling, (10) Error detection for type mismatches. Provides: Complete parameter type reference, color format conversion tables, time unit conversion formulas, validation patterns, working Python examples with proper typing.

1 install
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Viral Video Animated Captions · josiahsiegel bundle
CapCut-style animated word-level captions for viral video with FFmpeg. PROACTIVELY activate for: (1) Word-by-word caption highlighting, (2) Animated subtitle effects, (3) CapCut-style captions, (4) Karaoke-style text, (5) Bounce/pop text animations, (6) Color-changing words, (7) Emoji integration in captions, (8) Multi-style caption presets, (9) Trending caption styles, (10) Social media caption optimization. Provides: ASS subtitle generation scripts, word-level timing workflows, animation presets, color schemes, font recommendations, and platform-specific caption styles for TikTok, YouTube Shorts, and Instagram Reels.

0 installs
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Clerk Sessions Webhooks Security · josiahsiegel
Use for Clerk sessions, tokens, webhooks, orgs, and security. PROACTIVELY activate for session tokens, JWT templates, getToken(), custom claims, pending sessions, multi-session UX, organizations, roles, permissions, system vs custom permissions, features/plans, MFA/passkeys/password policy/bot protection, Clerk webhooks, Svix signatures, verifyWebhook(), user/org sync, retries/replays, environment variables, custom domains, secret rotation, logs, and auth security reviews. Provides token semantics, webhook idempotency, authorization defaults, and hardening checklist.

1 install
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Tailwindcss Advanced Components · josiahsiegel
Tailwind CSS advanced component patterns with CVA (class-variance-authority) and variant management. PROACTIVELY activate for: (1) building reusable component variants with CVA, (2) compound variants for complex states, (3) tailwind-merge for safe class composition, (4) clsx/cn utility for conditional classes, (5) Headless UI / Radix UI primitives styled with Tailwind, (6) shadcn/ui patterns, (7) component slot patterns (asChild), (8) polymorphic components, (9) prop-driven design tokens. Provides: CVA setup recipes, cn utility implementation, compound-variant patterns, shadcn/ui-style component templates, and asChild slot examples.

1 install
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Tailwindcss Responsive Darkmode · josiahsiegel bundle
Tailwind CSS responsive design and dark mode patterns (2025-2026). PROACTIVELY activate for: (1) dark mode setup (class-based vs media-query, dark: variant), (2) toggling dark mode at runtime (data-theme, html.dark), (3) prefers-color-scheme handling, (4) per-component dark variants, (5) responsive design with dark mode (combining sm:dark:bg-*), (6) system / light / dark / high-contrast theming, (7) CSS color-scheme property, (8) avoiding flash of unstyled content (FOUC) in dark mode, (9) dark-mode color tokens via @theme. Provides: dark-mode toggle implementation, FOUC prevention pattern, color-token templates, and system-preference detection.

1 install
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Viral Video Platform Algorithms · josiahsiegel bundle
Deep understanding of TikTok, YouTube, Instagram, and Facebook algorithms for 2025-2026. PROACTIVELY activate for: (1) Algorithm optimization, (2) Platform-specific strategy, (3) Content distribution understanding, (4) Engagement signal optimization, (5) Cold start strategies, (6) Trending and discovery, (7) Hashtag and SEO strategy, (8) Posting time optimization, (9) Cross-platform differences. Provides: Algorithm signal breakdowns, platform comparisons, optimization strategies, posting schedules, hashtag strategies, and discovery mechanisms.

0 installs
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Modal Web Scheduling Knowledge · josiahsiegel
This skill should be used when the user asks to expose Modal.com functions as APIs or schedule Modal jobs. PROACTIVELY activate for: FastAPI endpoints, @modal.fastapi_endpoint, @modal.asgi_app, @modal.wsgi_app, webhooks, WebSockets, custom domains, endpoint timeouts, modal.Cron, modal.Period, scheduled ETL, cron timezones, deploy-vs-run schedule behavior, and endpoint debugging. Provides: endpoint decorator selection guide, scheduling patterns, timezone/cron rules, and debugging recipes for endpoints and schedules.

1 install
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Tailwindcss Framework Integration · josiahsiegel bundle
Tailwind CSS integration with React, Vue, Next.js, Svelte, Angular, and other frameworks. PROACTIVELY activate for: (1) Tailwind in React (Vite, CRA), (2) Tailwind in Next.js (App Router, Pages Router), (3) Tailwind in Vue 3 / Nuxt, (4) Tailwind in SvelteKit, (5) Tailwind in Angular, (6) Tailwind in Astro, (7) Tailwind in Remix / React Router 7, (8) PostCSS vs CLI vs Vite plugin setup, (9) class merging utilities (tailwind-merge) per framework, (10) SSR-safe class composition. Provides: per-framework setup steps, content config per framework, dark-mode setup, and class-merging recipes.

1 install
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Stripe Refund Dispute Lifecycle · josiahsiegel
Complete Stripe refund and dispute lifecycle handling. PROACTIVELY activate for: (1) charge.refunded handler design, (2) charge.dispute.created / charge.dispute.closed handlers, (3) Refund delta computation from event.data.previous_attributes.amount_refunded, (4) Dispute-hold past_due status management, (5) shouldRestoreStatus predicate with satisfies Record<Stripe.Dispute.Status, boolean>, (6) Credit-pack vs subscription refund differentiation, (7) Checkout Session lookup for refund proportion math, (8) Allowlist default-deny for external enums, (9) stripe.checkout.sessions.list({payment_intent}) pattern, (10) Dispute outcome branch logic (won / lost / warning_closed / prevented). Provides: full handler patterns for all three events, predicate examples, credit-pack vs subscription math, exhaustive switch patterns.

1 install
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Tailwindcss Advanced Design Systems · josiahsiegel
Tailwind CSS advanced design systems with design tokens and @theme configuration. PROACTIVELY activate for: (1) building a design system on Tailwind v4, (2) @theme directive and CSS-first configuration, (3) custom color scales (50-950) and semantic tokens, (4) typography scales and fluid type with clamp(), (5) spacing tokens and 8pt grids, (6) shadow systems, radius tokens, motion tokens, (7) light/dark mode tokens via @theme, (8) Figma to Tailwind token sync, (9) design-token tooling (Style Dictionary, Tokens Studio), (10) per-brand theming. Provides: @theme configuration templates, semantic-token naming conventions, fluid-type calculator, design-token sync workflow, and multi-brand theming patterns.

1 install
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Stripe List Pagination Previous Attributes · josiahsiegel
Stripe list-API pagination and event.data.previous_attributes semantics. PROACTIVELY activate for: (1) invoice.lines.data / charge.refunds.data / subscription.items.data embedded pagination, (2) starting_after cursor when falling through to list APIs, (3) has_more flag checking, (4) event.data.previous_attributes field semantics (which fields changed between old and new state), (5) Cumulative vs per-event Stripe fields (charge.amount_refunded is cumulative), (6) Delta computation patterns, (7) Plan resolution from invoice line items with pagination, (8) Safety fallback on pagination exhaustion (G6 — {plan:'free',credits:0}), (9) API error handling mid-scan. Provides: full pagination scan pattern, previous_attributes delta helper, plan resolver with paginated line-item scan.

1 install
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Ffmpeg Streaming · josiahsiegel bundle
Complete live streaming and protocol system for FFmpeg 7.1 LTS and 8.0.1 (latest stable, released 2025-11-20). PROACTIVELY activate for: (1) RTMP streaming to Twitch/YouTube/Facebook, (2) HLS output and adaptive bitrate (ABR), (3) DASH streaming setup, (4) Low-latency streaming (LL-HLS, LL-DASH), (5) SRT protocol configuration, (6) WebRTC/WHIP sub-second latency (FFmpeg 8.0+), (7) Protocol conversion (RTMP to HLS), (8) Multi-destination streaming, (9) nginx-rtmp integration, (10) Docker streaming services. Provides: Platform-specific stream commands, ABR ladder examples, encryption setup, latency optimization, WHIP authentication, production patterns. Ensures: Reliable live streaming with optimal quality and latency.

1 install
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Fabric Integration · josiahsiegel bundle
Microsoft Fabric integration with Power BI semantic models. PROACTIVELY activate for: (1) Microsoft Fabric platform tasks, (2) Direct Lake mode and OneLake connectivity, (3) Fabric lakehouse, warehouse, KQL Database, Eventstream, Data Activator, (4) Dataflow Gen2 ETL, (5) Fabric notebooks (PySpark, Spark SQL, semantic-link), (6) Fabric workspace and capacity (F-SKU) management, (7) delta tables and V-Order optimization, (8) medallion architecture (bronze/silver/gold), (9) Semantic Link / sempy / semantic-link-labs Python workflows, (10) Direct Lake fallback rules and mixed mode. Provides: Direct Lake setup, Fabric capacity sizing, lakehouse-to-semantic-model patterns, sempy/semantic-link-labs recipes, and end-to-end medallion architecture templates.

1 install
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Validation Testing · josiahsiegel bundle
TMDL and PBIR validation, linting, and pre-deployment testing. PROACTIVELY activate for: (1) validating TMDL syntax before deploy, (2) validating PBIR schema, (3) catching TmdlFormatException / TmdlSerializationException early, (4) Best Practice Analyzer (BPA) rules and BPA CLI, (5) Tabular Editor BPA scripting, (6) PBI-Inspector / PBI-InspectorV2 / Fab Inspector, (7) PBIR JSON schema validation, (8) pre-deployment validation in CI, (9) fabric-cicd parameter.yml validation, (10) catching breaking changes between TMDL versions. Provides: BPA rule library, validation CLI commands, CI integration for validation, error catalog (TmdlFormatException, etc.), and a pre-deploy validation playbook.

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Agentforce 2025 · josiahsiegel bundle
Salesforce Agentforce AI agents and autonomous automation (2025-2026). PROACTIVELY activate for: (1) building Agentforce agents and topics, (2) Agent Builder configuration, (3) Atlas Reasoning Engine usage, (4) Agentforce action setup (Apex, Flow, Prompt Templates), (5) topic-based routing and instructions, (6) Agentforce Service Agent vs Sales Agent vs Custom, (7) Einstein Trust Layer (data masking, toxicity detection), (8) prompt engineering for grounded responses, (9) Agentforce testing and Test Center, (10) deploying agents across orgs. Provides: agent design patterns, topic and action templates, prompt engineering recipes, Trust Layer configuration, and deployment workflow.

1 install
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Data Cloud 2025 · josiahsiegel bundle
Salesforce Data Cloud integration patterns and architecture (2025). PROACTIVELY activate for: (1) Data Cloud setup and ingestion, (2) Data Streams (cloud, mobile, web SDK, ingestion API), (3) data model objects (DMO) and source objects (DSO), (4) identity resolution and unified profiles, (5) calculated insights and segmentation, (6) activations to Marketing Cloud, advertising platforms, Salesforce CRM, (7) Bring Your Own Lake (BYOL) with Snowflake, BigQuery, Databricks, (8) zero-copy data sharing, (9) Data Cloud + Agentforce grounding, (10) consent management and compliance. Provides: data-stream selection matrix, identity resolution rules, segmentation patterns, BYOL configuration, and activation playbook.

1 install
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Hyperforce 2025 · josiahsiegel bundle
Salesforce Hyperforce public cloud infrastructure and architecture (2025). PROACTIVELY activate for: (1) understanding Hyperforce architecture (multi-region, public cloud), (2) Hyperforce migration planning, (3) data residency and regional deployments, (4) Hyperforce security model (BYOK, Shield encryption), (5) network architecture (PrivateLink, public IP allowlists), (6) Hyperforce vs first-generation infrastructure differences, (7) backup and disaster recovery on Hyperforce, (8) Hyperforce performance and SLA, (9) compliance certifications (HIPAA, FedRAMP, GDPR). Provides: Hyperforce overview, migration checklist, network architecture patterns, BYOK setup, and DR/backup configuration.

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Platform Compatibility · josiahsiegel bundle
This skill should be used when the user asks about terminal emulator compatibility, operating-system differences, tmux/screen/Zellij, SSH/remote terminals, Windows ConPTY/classic console/Windows Terminal, Unix PTYs, macOS Terminal/iTerm2, Kitty/Alacritty/WezTerm/foot/GNOME Terminal/Konsole, terminal feature matrices, escape-sequence passthrough, latency, resize propagation, or graceful degradation. PROACTIVELY activate for: compatibility audits, emulator bugs, remote TUI performance, multiplexer passthrough. Provides: support matrices, platform caveats, and fallback rules.

1 install
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Unity Editor Tooling · josiahsiegel
Unity Editor tooling, build automation, and asset pipeline customization. PROACTIVELY activate for: (1) writing custom Editor scripts, (2) custom inspectors and PropertyDrawer attributes, (3) EditorWindow creation, (4) ScriptedImporter for custom asset types, (5) build pipeline scripting (BuildPipeline.BuildPlayer, IBuildPostprocessor), (6) platform-switching automation, (7) CI/CD for Unity (GameCI, GitHub Actions, Unity Build Automation), (8) Assembly Definition (.asmdef) organization, (9) preprocessor symbols and platform defines, (10) Editor-only code with #if UNITY_EDITOR. Provides: custom inspector templates, EditorWindow examples, build script patterns, GameCI setup, .asmdef best practices, and CI YAML for Unity builds.

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Unity UI Development · josiahsiegel
Unity UI development with UGUI and UI Toolkit. PROACTIVELY activate for: (1) building Unity user interfaces, (2) UGUI (Canvas, RectTransform, anchors), (3) UI Toolkit (USS, UXML, VisualElement), (4) EventSystem and input handling, (5) common UI components (buttons, scroll views, dropdowns), (6) inventory UIs, HUDs, health bars, menu systems, (7) TextMeshPro setup and rich text, (8) responsive UI (anchors, layout groups), (9) runtime UI generation, (10) world-space canvases for in-game UI. Provides: UGUI vs UI Toolkit comparison, RectTransform patterns, USS/UXML examples, layout group recipes, and TextMeshPro templates.

0 installs
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Docker 2025 Features · josiahsiegel bundle
Latest Docker features (2025-2026) including Docker AI, Enhanced Container Isolation, BuildKit improvements, and Moby. PROACTIVELY activate for: (1) Docker AI / Ask Gordon assistant, (2) Enhanced Container Isolation (ECI) for hardened runtime, (3) Moby 25+ engine features, (4) BuildKit advancements (cache mounts, secrets, SBOM, provenance), (5) Docker Compose v2 features (watch mode, profiles, includes), (6) Docker Desktop new settings (Resource Saver, Synchronized File Shares, virtiofs), (7) Docker Build Cloud, (8) Docker Scout for vulnerability scanning, (9) WSL2 backend updates, (10) ContainerD integration. Provides: feature reference, version-detection snippets, BuildKit cache/secret recipes, Compose v2 watch examples, and migration notes.

1 install
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Fal Serverless Guide · josiahsiegel
Complete fal.ai serverless deployment system. PROACTIVELY activate for: (1) Creating fal.App class, (2) GPU machine selection (T4/A10G/A100/H100), (3) setup() for model loading, (4) @fal.endpoint decorators, (5) Persistent volumes for weights, (6) Secrets management, (7) Scaling configuration (min/max concurrency), (8) Multi-GPU deployment, (9) fal deploy commands, (10) Local development with fal run. Provides: App structure, Dockerfile patterns, deployment commands, scaling config. Ensures production-ready serverless ML deployment.

1 install
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Ffmpeg Noise Reduction · josiahsiegel
Complete FFmpeg noise reduction and denoising for video and audio. PROACTIVELY activate for: (1) Video denoising (nlmeans, hqdn3d, vaguedenoiser), (2) Hardware-accelerated denoising (nlmeans_opencl, nlmeans_vulkan), (3) Audio noise reduction (afftdn, anlmdn), (4) Film grain removal, (5) Low-light footage enhancement, (6) Compression artifact removal, (7) Broadcast noise reduction, (8) Clean audio recordings. Provides: Denoising filters, parameter tuning, hardware acceleration, quality/speed tradeoffs.

1 install
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Github AI Features 2025 · josiahsiegel
GitHub AI-powered security and automation features (2025-2026). PROACTIVELY activate for: (1) GitHub Copilot in PRs (Copilot code review, Copilot autofix), (2) GitHub Advanced Security (CodeQL, secret scanning, dependency review), (3) Copilot Workspace, (4) GitHub Models (gh models eval, prompt evaluations), (5) GitHub Copilot CLI 2.x, (6) AI-assisted issue triage, (7) Copilot extensions and skillsets, (8) Copilot Enterprise context (knowledge bases), (9) automated dependency updates (Dependabot AI grouping), (10) Spark for app generation. Provides: feature catalog, Copilot CLI command reference, gh models eval examples, GHAS configuration, and Copilot Workspace usage.

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Ml Hyperparameter Tuning · josiahsiegel
This skill should be used when the user asks to tune hyperparameters, run sweeps, optimize search spaces, or use AutoML. PROACTIVELY activate for: (1) Optuna, Ray Tune, FLAML, AutoGluon, Hyperopt, Nevergrad, KerasTuner, W&B sweeps, (2) grid search, random search, Bayesian optimization, TPE, Gaussian processes, evolutionary search, (3) ASHA, Hyperband, successive halving, multi-fidelity optimization, population-based training, (4) learning-rate finder, batch-size search, early stopping, pruning, (5) reproducible sweep design and experiment analysis. Provides: budget-aware hyperparameter search strategy.

1 install
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Nextjs Data Fetching · josiahsiegel
Complete Next.js data fetching system (Next.js 15.5/16). PROACTIVELY activate for: (1) Server Component data fetching, (2) Parallel and sequential fetching, (3) Streaming with Suspense, (4) Route Handlers (API routes), (5) Client-side fetching with SWR/TanStack Query, (6) generateStaticParams for static generation, (7) Revalidation strategies, (8) Error handling for data, (9) Async params/searchParams (Next.js 16), (10) Cache Components with 'use cache'. Provides: Fetch patterns, caching options, streaming UI, API route handlers, client fetching setup, async params pattern. Ensures optimal data loading with proper caching and error handling.

1 install
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REST API Automation · josiahsiegel bundle
Power BI REST API and Fabric REST API automation. PROACTIVELY activate for: (1) calling Power BI REST APIs, (2) embed-token generation (App Owns Data, User Owns Data), (3) service-principal authentication for Power BI, (4) dataset refresh API and refresh status polling, (5) push datasets and streaming, (6) Admin API (workspace/dataset enumeration), (7) Power BI Embedded and the JavaScript SDK (powerbi-client), (8) export-to-file API (PDF/PPTX/PNG), (9) Power BI automation via PowerShell (MicrosoftPowerBIMgmt), (10) Scanner API for tenant inventory, (11) app registration in Microsoft Entra ID. Provides: REST endpoint reference, OAuth/MSAL token recipes, embed-token patterns, refresh automation scripts, JavaScript SDK examples, and PowerShell module recipes.

1 install
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Windows Git Bash Paths · josiahsiegel
Windows and Git Bash path handling for SSDT, SqlPackage, and DACPAC files. PROACTIVELY activate for: (1) SqlPackage failing on Git Bash with path errors, (2) DACPAC file path conversion (MSYS, MINGW), (3) shell detection (PowerShell vs Git Bash) for SSDT scripts, (4) MSYS_NO_PATHCONV usage, (5) Windows-style backslash paths in publish profiles, (6) running dotnet build of .sqlproj from Git Bash, (7) cross-platform pipeline compatibility, (8) line-ending issues in SQL files. Provides: SqlPackage path-conversion recipes, shell-detection helpers, dotnet build patterns from bash, and CRLF/LF normalization steps.

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195 published skills · page 1 of 2