Latest Agent Skills

25753 skills

pymodel
opentui
Build terminal UIs with OpenTUI. Covers core, components, audio, keymaps, React, Solid, plugins, testing, standalone executables, QR encoding, SSH, and Three.js WebGPU.
14 · bundle
rootcastleco
plan-writing
Structured task planning with clear breakdowns, dependencies, and verification criteria. Use when implementing features, refactoring, or any multi-step work.
6
rootcastleco
pdf-official
Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmaticall...
6 · bundle
rootcastleco
nosql-expert
Expert guidance for distributed NoSQL databases (Cassandra, DynamoDB). Focuses on mental models, query-first modeling, single-table design, and avoiding hot partitions in high-scale systems.
6
rootcastleco
idor-testing
This skill should be used when the user asks to "test for insecure direct object references," "find IDOR vulnerabilities," "exploit broken access control," "enumerate user IDs or obje...
6
rootcastleco
hig-patterns
Apple HIG: Interaction Patterns
6 · bundle
rootcastleco
fp-ts-errors
Handle errors as values using fp-ts Either and TaskEither for cleaner, more predictable TypeScript code. Use when implementing error handling patterns with fp-ts.
6
rootcastleco
file-uploads
Expert at handling file uploads and cloud storage. Covers S3, Cloudflare R2, presigned URLs, multipart uploads, and image optimization. Knows how to handle large files without blocking. Use when: f...
6
rootcastleco
fal-workflow
Generate workflow JSON files for chaining AI models
6
rootcastleco
fal-platform
Platform APIs for model management, pricing, and usage tracking
6
rootcastleco
fal-generate
Generate images and videos using fal.ai AI models
6
rootcastleco
dx-optimizer
Use this skill when
6
rootcastleco
copy-editing
When the user wants to edit, review, or improve existing marketing copy. Also use when the user mentions 'edit this copy,' 'review my copy,' 'copy feedback,' 'proofread,' 'polish this,' 'make this ...
6
rootcastleco
codex-review
Professional code review with auto CHANGELOG generation, integrated with Codex AI
6
rootcastleco
clarity-gate
Pre-ingestion verification for epistemic quality in RAG systems with 9-point verification and Two-Round HITL workflow
6
rootcastleco
c4-container
C4 Container Level: System Deployment
6
rootcastleco
c4-component
C4 Component Level: [Component Name]
6
rootcastleco
architecture
Architectural decision-making framework. Requirements analysis, trade-off evaluation, ADR documentation. Use when making architecture decisions or analyzing system design.
6 · bundle
rootcastleco
api-patterns
API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.
6 · bundle
rootcastleco
agents-v2-py
Build container-based Foundry Agents with Azure AI Projects SDK (ImageBasedHostedAgentDefinition). Use when creating hosted agents with custom container images in Azure AI Foundry.
6
rootcastleco
trigger-dev
Trigger.dev expert for background jobs, AI workflows, and reliable async execution with excellent developer experience and TypeScript-first design. Use when: trigger.dev, trigger dev, background ta...
6
rootcastleco
tool-design
Build tools that agents can use effectively, including architectural reduction patterns
6
rootcastleco
test-fixing
Run tests and systematically fix all failing tests using smart error grouping. Use when user asks to fix failing tests, mentions test failures, runs test suite and failures occur, or requests to ma...
6
rootcastleco
sharp-edges
Identify error-prone APIs and dangerous configurations
6
rootcastleco
segment-cdp
Expert patterns for Segment Customer Data Platform including Analytics.js, server-side tracking, tracking plans with Protocols, identity resolution, destinations configuration, and data governance ...
6
rootcastleco
screenshots
Generate marketing screenshots of your app using Playwright. Use when the user wants to create screenshots for Product Hunt, social media, landing pages, or documentation.
6
rootcastleco
network-101
This skill should be used when the user asks to "set up a web server", "configure HTTP or HTTPS", "perform SNMP enumeration", "configure SMB shares", "test network services", or ne...
6
rootcastleco
ml-engineer
Use this skill when
6
rootcastleco
mcp-builder
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate exte...
6 · bundle
rootcastleco
haskell-pro
Use this skill when
6
rootcastleco
git-pushing
Stage, commit, and push git changes with conventional commit messages. Use when user wants to commit and push changes, mentions pushing to remote, or asks to save and push their work. Also activate...
6 · bundle
rootcastleco
fp-ts-react
Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Use when building React apps with functional programming patterns. Works with React 18/19, Next.js 14/15.
6
rootcastleco
fastapi-pro
> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.
6
rootcastleco
fal-upscale
Upscale and enhance image and video resolution using AI
6
rootcastleco
dbos-python
DBOS Python SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Python code with DBOS, creating workflows and steps, using queues, using DBOSC...
6 · bundle
rootcastleco
dbos-golang
DBOS Go SDK for building reliable, fault-tolerant applications with durable workflows. Use this skill when writing Go code with DBOS, creating workflows and steps, using queues, using the DBOS Clie...
6 · bundle
rootcastleco
copywriting
Write, rewrite, or improve marketing copy for any page type. Use when crafting homepage, landing page, pricing, or feature page copy with conversion best practices.
6
rootcastleco
copilot-sdk
Build applications powered by GitHub Copilot using the Copilot SDK. Use when creating programmatic integrations with Copilot across Node.js/TypeScript, Python, Go, or .NET. Covers session managemen...
6
rootcastleco
app-builder
Main application building orchestrator. Creates full-stack applications from natural language requests. Determines project type, selects tech stack, coordinates agents.
6 · bundle
rootcastleco
ai-engineer
Build production-ready LLM applications, RAG systems, and intelligent agents with architecture design, model selection, and cost controls.
6
rootcastleco
using-neon
Guides and best practices for working with Neon Serverless Postgres. Covers getting started, local development with Neon, choosing a connection method, Neon features, authentication (@neondatabase/...
6
rootcastleco
tavily-web
Web search, content extraction, crawling, and research capabilities using Tavily API
6
rootcastleco
python-pro
> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.
6
rootcastleco
postgresql
Design a PostgreSQL-specific schema. Covers best-practices, data types, indexing, constraints, performance patterns, and advanced features
6
rootcastleco
oss-hunter
Automatically hunt for high-impact OSS contribution opportunities in trending repositories.
6 · bundle
rootcastleco
notebooklm
Use this skill to query your Google NotebookLM notebooks directly from Claude Code for source-grounded, citation-backed answers from Gemini. Browser automation, library management, persistent auth....
6 · bundle
rootcastleco
last30days
Research a topic from the last 30 days on Reddit + X + Web, become an expert, and write copy-paste-ready prompts for the user's target tool.
6 · bundle
rootcastleco
iterate-pr
Iterate on a PR until CI passes. Use when you need to fix CI failures, address review feedback, or continuously push fixes until all checks are green. Automates the feedback-fix-push-wait cycle.
6
rootcastleco
hig-inputs
Apple HIG: Inputs
6 · bundle
rootcastleco
golang-pro
> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.
6
rootcastleco
fix-review
Verify fix commits address audit findings without new bugs
6
rootcastleco
exa-search
Semantic search, similar content discovery, and structured research using Exa API
6
rootcastleco
evaluation
Build evaluation frameworks for agent systems
6
rootcastleco
elixir-pro
Use this skill when
6
rootcastleco
django-pro
> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.
6
rootcastleco
csharp-pro
Use this skill when
6
rootcastleco
clerk-auth
Expert patterns for Clerk auth implementation, middleware, organizations, webhooks, and user sync Use when: adding authentication, clerk auth, user authentication, sign in, sign up.
6
rootcastleco
clean-code
Applies principles from Robert C. Martin's 'Clean Code'. Use this skill when writing, reviewing, or refactoring code to ensure high quality, readability, and maintainability. Covers naming, functio...
6
rootcastleco
c4-context
C4 Context Level: System Context
6
rootcastleco
bash-linux
Bash/Linux terminal patterns. Critical commands, piping, error handling, scripting. Use when working on macOS or Linux systems.
6