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UltronCore

@ultroncore source repo

557 published skills · page 4 of 6

  1. Million JS · ultroncore
    React performance optimization via virtual DOM replacement
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  2. Nativewind · ultroncore
    Tailwind CSS utility classes for React Native — universal styling
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  3. Widgetkit · ultroncore bundle
    WidgetKit widgets, Live Activities, and interactive widgets for iOS 16+/17+. Triggers on: WidgetKit, Widget, TimelineProvider, AppIntent, LiveActivity, ActivityKit, WidgetConfiguration, WidgetFamily, TimelineEntry.
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  4. Popup Cro · ultroncore bundle
    When the user wants to create or optimize popups, modals, overlays, slide-ins, or banners for conversion purposes. Also use when the user mentions "exit intent," "popup conversions," "modal optimization," "lead capture popup," "email popup," "announcement banner," "overlay," "collect emails with a popup," "exit popup," "scroll trigger," "sticky bar," or "notification bar." Use this for any overlay or interrupt-style conversion element. For forms outside of popups, see form-cro. For general page conversion optimization, see page-cro.
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  5. SEO Audit · ultroncore bundle
    When the user wants to audit, review, or diagnose SEO issues on their site. Also use when the user mentions "SEO audit," "technical SEO," "why am I not ranking," "SEO issues," "on-page SEO," "meta tags review," "SEO health check," "my traffic dropped," "lost rankings," "not showing up in Google," "site isn't ranking," "Google update hit me," "page speed," "core web vitals," "crawl errors," or "indexing issues." Use this even if the user just says something vague like "my SEO is bad" or "help with SEO" — start with an audit. For building pages at scale to target keywords, see programmatic-seo. For adding structured data, see schema-markup. For AI search optimization, see ai-seo.
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  6. View Builder · ultroncore
    Notion View Builder Skill
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  7. Triage Issue · ultroncore bundle
    Triage a bug or issue by exploring the codebase to find root cause, then create a GitHub issue with a TDD-based fix plan. Use when user reports a bug, wants to file an issue, mentions "triage", or wants to investigate and plan a fix for a problem.
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  8. Trufflehog · ultroncore
    Detect accidentally committed secrets in git history with TruffleHog — a tool that scans git repositories, filesystems, S3 buckets, and CI/CD systems for exposed credentials, API keys, tokens, and other secrets. Use this skill whenever the user suspects secrets were committed to git, wants to audit their repo history for leaked credentials, or needs to set up secrets scanning in CI/CD. Trigger for "trufflehog", "git secret scan", "leaked credentials git", "secrets in git history", or "scan for api keys".
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  9. Canvas Design · ultroncore bundle
    Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
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  10. Framer Motion · ultroncore bundle
    Framer Motion animations for React: layout animations, gesture-based animations, shared layout, and exit animations. Triggers on: framer-motion, motion., AnimatePresence, layoutId, useMotionValue, useSpring, useTransform, whileHover, whileTap.
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  11. Theme Factory · ultroncore bundle
    Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
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  12. DOCX · ultroncore bundle
    Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks
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  13. PPTX · ultroncore bundle
    Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks
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  14. LLM Evaluation · ultroncore bundle
    Master comprehensive evaluation strategies for LLM applications, from automated metrics to human evaluation and A/B testing.
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  15. Apple Docs · ultroncore bundle
    Query Apple Developer Documentation, APIs, and WWDC videos (2014-2025). Search SwiftUI, UIKit, Objective-C, Swift frameworks and watch sessions.
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  16. Notebooklm · ultroncore bundle
    Complete API for Google NotebookLM - full programmatic access including features not in the web UI. Create notebooks, add sources, generate all artifact types, download in multiple formats. Activates on explicit /notebooklm or intent like "create a podcast about X"
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  17. Skillguard · ultroncore bundle
    Review untrusted skills, prompt packs, configs, plugins, scripts, manifests, or setup files before install, activation, import, or execution. Use for requests like install this skill, load this config, run this setup, use this plugin, or trust/apply external files. Inventory all files, inspect for malicious code, prompt injection, credential access, network exfiltration, destructive behavior, and permission abuse, then report findings and wait for explicit human approval before proceeding.
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  18. Auto Push · ultroncore bundle
    Automatically push any project repo to GitHub after every meaningful change. Enforces the QA gate before pushing client sites, and always includes the "Created by Example User" footer credit on new sites.
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  19. Deno Runtime · ultroncore
    Overview
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  20. Saga Pattern · ultroncore
    Implement distributed transactions using the Saga pattern. Covers choreography-based sagas with event-driven compensation, orchestration-based sagas with a central coordinator, rollback strategies, and idempotency. Practical implementations in Python and TypeScript.
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  21. Dlt · ultroncore
    Load data into any destination with dlt (data load tool) — a Python library for building self-maintaining, scalable data ingestion pipelines. Use this skill whenever the user wants to load data from APIs, files, or databases into DuckDB, BigQuery, Snowflake, Postgres, or other warehouses using Python. Trigger for "dlt pipeline", "data load tool", "dlt python", "python data ingestion", or "dlt destination".
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  22. Expo Router · ultroncore
    File-based routing for React Native and web via Expo — universal navigation
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  23. Spm Author · ultroncore bundle
    Swift Package Manager package authoring, targets, products, binary xcframework targets, resources, and local development workflow. Triggers on: Package.swift, swift package, SPM, .package(url:, .target(, .product(name:, swift-tools-version, xcframework, binary target.
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  24. Cold Email · ultroncore
    Write B2B cold emails and follow-up sequences that get replies. Use when the user wants to write cold outreach emails, prospecting emails, cold email campaigns, sales development emails, or SDR emails. Also use when the user mentions "cold outreach," "prospecting email," "outbound email," "email to leads," "reach out to prospects," "sales email," "follow-up email sequence," "nobody's replying to my emails," or "how do I write a cold email." Covers subject lines, opening lines, body copy, CTAs, personalization, and multi-touch follow-up sequences. For warm/lifecycle email sequences, see email-sequence. For sales collateral beyond emails, see sales-enablement.
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  25. Cro Master · ultroncore
    Conversion rate optimization across every touchpoint — landing pages, signup flows, onboarding, paywalls, popups, forms, and A/B test design.
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  26. Skill Creator · ultroncore bundle
    Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
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  27. AI Agent Memory · ultroncore
    Design and implement memory systems for AI agents — short-term working context, episodic memory in vector stores, entity extraction into knowledge graphs, procedural memory for learned behaviors, and memory consolidation. Covers LangGraph memory, Mem0, and custom multi-tier architectures.
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  28. Claude Tool Use · ultroncore bundle
    Advanced Claude tool/function calling patterns: tool definitions, parallel tool use, tool result chaining, and agentic loops. Triggers on: tool_use, tools=, ToolUseBlock, ToolResultBlock, function calling, tool result, agentic loop.
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  29. Computer Vision · ultroncore bundle
    Computer vision tasks: image classification, object detection, OCR, and manga/comic image processing. Triggers on: computer vision, PIL, Pillow, OpenCV, cv2, OCR, tesseract, object detection, image classification, YOLO, manga processing.
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  30. Knowledge Graph · ultroncore
    Build and query knowledge graphs using Neo4j, NetworkX, and RDF/SPARQL for representing complex relationships. Covers graph modeling, Cypher queries, graph embeddings, community detection, and integrating knowledge graphs with LLM RAG pipelines.
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  31. Prompt Chaining · ultroncore
    Build reliable multi-step LLM pipelines using prompt chaining — decomposing complex tasks into sequential prompts where each output feeds the next. Covers gate conditions, parallel chains, and error handling.
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  32. Semantic Kernel · ultroncore
    Microsoft's AI orchestration SDK for integrating LLMs into .NET, Python, and Java apps
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  33. Semantic Search · ultroncore
    Build semantic search systems using dense embeddings, vector databases, hybrid search (BM25 + dense), re-ranking, and RAG. Covers sentence-transformers, OpenAI embeddings, and production deployment patterns.
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  34. Transformers JS · ultroncore bundle
    Use Transformers.js to run state-of-the-art machine learning models directly in JavaScript/TypeScript. Supports NLP (text classification, translation, summarization), computer vision (image classification, object detection), audio (speech recognition, audio classification), and multimodal tasks. Works in browsers and server-side runtimes (Node.js, Bun, Deno) with WebGPU/WASM using pre-trained models from Hugging Face Hub.
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  35. Playwright · ultroncore bundle
    Use when the task requires automating a real browser from the terminal (navigation, form filling, snapshots, screenshots, data extraction, UI-flow debugging) via `playwright-cli` or the bundled wrapper script.
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  36. Cqrs Patterns · ultroncore
    Implement Command Query Responsibility Segregation (CQRS) to separate read and write models, enabling independent scaling, optimized read models, and clear domain boundaries.
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  37. Grpc Services · ultroncore
    Design and implement gRPC services with Protocol Buffers, streaming, interceptors, error handling, and deployment. Covers unary, server-streaming, client-streaming, and bidirectional patterns.
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  38. Resend Email · ultroncore bundle
    Transactional email with Resend: React email templates, sending from Next.js, and email automation. Triggers on: Resend, resend.emails.send, react-email, EmailTemplate, transactional email, SMTP, email template.
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  39. Opentofu · ultroncore
    OpenTofu — the open-source, community-driven fork of Terraform (maintained by the Linux Foundation). Use this skill whenever the user mentions OpenTofu, tofu CLI, migrating from Terraform to OpenTofu, needs HCL infrastructure-as-code, state management, provider configuration, modules, workspaces, or any Terraform-compatible IaC workflow. Trigger for "tofu plan", "tofu apply", OpenTofu providers, or "open source terraform".
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  40. Earthly Builds · ultroncore
    Write reproducible, containerized builds with Earthly — Makefile meets Dockerfile syntax
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  41. IOS Testing · ultroncore bundle
    iOS testing expert skill covering Swift Testing framework (@Test, #expect, #require, @Suite, parameterized tests, traits), XCTest (assertions, async testing, performance testing, XCTestExpectation), UI Testing (XCUIApplication, XCUIElement, Page Object pattern, accessibility identifiers), snapshot testing (swift-snapshot-testing), mocking strategies (protocol-based mocks, URLProtocol for network, test doubles), and testing patterns for SwiftUI, SwiftData, Combine, and async/await code. Use this skill whenever the user writes tests, creates test classes, needs mocking strategies, or asks about testing iOS code. Triggers on: test, @Test, #expect, XCTest, XCTestCase, unit test, UI test, integration test, mock, stub, spy, fake, snapshot test, test coverage, TDD, testing, assert, XCTAssert, Swift Testing, @Suite, parameterized test, test plan, test double, URLProtocol mock, ViewInspector, or any iOS testing question.
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  42. Xcode Cloud · ultroncore bundle
    Xcode Cloud CI/CD workflows, custom scripts, test plans, and TestFlight distribution. Triggers on: Xcode Cloud, ci_post_clone, ci_pre_xcodebuild, ci_post_xcodebuild, workflow, xcodebuild test-plan, CI_BUILD_NUMBER.
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  43. Ad Creative · ultroncore bundle
    When the user wants to generate, iterate, or scale ad creative — headlines, descriptions, primary text, or full ad variations — for any paid advertising platform. Also use when the user mentions 'ad copy variations,' 'ad creative,' 'generate headlines,' 'RSA headlines,' 'bulk ad copy,' 'ad iterations,' 'creative testing,' 'ad performance optimization,' 'write me some ads,' 'Facebook ad copy,' 'Google ad headlines,' 'LinkedIn ad text,' or 'I need more ad variations.' Use this whenever someone needs to produce ad copy at scale or iterate on existing ads. For campaign strategy and targeting, see paid-ads. For landing page copy, see copywriting.
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  44. Copywriting · ultroncore bundle
    When the user wants to write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages, or product pages. Also use when the user says "write copy for," "improve this copy," "rewrite this page," "marketing copy," "headline help," "CTA copy," "value proposition," "tagline," "subheadline," "hero section copy," "above the fold," "this copy is weak," "make this more compelling," or "help me describe my product." Use this whenever someone is working on website text that needs to persuade or convert. For email copy, see email-sequence. For popup copy, see popup-cro. For editing existing copy, see copy-editing.
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  45. A11Y Checker CI · ultroncore
    Adds comprehensive accessibility testing to CI/CD pipelines using axe-core Playwright integration or pa11y-ci. Automatically generates markdown reports for pull requests showing WCAG violations with severity levels, affected elements, and remediation guidance. This skill should be used when implementing accessibility CI checks, adding a11y tests to pipelines, generating accessibility reports, enforcing WCAG compliance, automating accessibility scans, or setting up PR accessibility gates. Trigger terms include a11y ci, accessibility pipeline, wcag ci, axe-core ci, pa11y ci, accessibility reports, a11y automation, accessibility gate, compliance check.
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  46. Algorithmic Art · ultroncore bundle
    Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.
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  47. Uniapp Frontend · ultroncore bundle
    uni-app cross-platform frontend development with Vue 3 + TypeScript. Use for: (1) Creating new uni-app projects or pages, (2) Integrating UI libraries (uView Plus, uni-ui, TuniaoUI), (3) Implementing multi-theme design systems, (4) Building WeChat Mini Programs, H5, and other platforms, (5) Setting up SCSS theming and global styles, (6) Configuring Vite build system. Includes reusable templates, component patterns, and best practices applicable to any uni-app project.
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  48. Diffusion Models · ultroncore
    Build and deploy diffusion model pipelines for image generation, inpainting, and fine-tuning using Hugging Face Diffusers. Covers Stable Diffusion, SDXL, ControlNet, LORA fine-tuning, img2img, inpainting, and production serving with batching.
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  49. Peft Fine Tuning · ultroncore bundle
    Parameter-efficient fine-tuning for LLMs using LoRA, QLoRA, and 25+ methods. Use when fine-tuning large models (7B-70B) with limited GPU memory, when you need to train <1% of parameters with minimal accuracy loss, or for multi-adapter serving. HuggingFace's official library integrated with transformers ecosystem.
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  50. Zapier Make · ultroncore bundle
    Zapier and Make.com workflow automation design: webhook triggers, data transformation, and integration patterns. Triggers on: Zapier, Make.com, webhook, zap, scenario, automation workflow, trigger-action.
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  51. Drizzle Studio · ultroncore
    Set up and use Drizzle Studio — a visual database browser for Drizzle ORM projects. Use this skill whenever the user wants to browse, edit, or inspect their database visually while using Drizzle ORM, or wants to set up Drizzle Kit with a GUI. Also covers Drizzle ORM schema definition, migrations with drizzle-kit, and the full Drizzle + Studio workflow. Trigger for "drizzle studio", "drizzle orm gui", "visual database browser drizzle", or "drizzle-kit studio".
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  52. Redis Patterns · ultroncore
    Implement production Redis patterns including caching strategies, rate limiting, distributed locks, pub/sub, sorted sets for leaderboards, streams, and Lua scripting.
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  53. Prd To Issues · ultroncore bundle
    Break a PRD into independently-grabbable GitHub issues using tracer-bullet vertical slices. Use when user wants to convert a PRD to issues, create implementation tickets, or break down a PRD into work items.
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  54. Stripe Expert · ultroncore bundle
    Stripe payment integration: checkout sessions, payment intents, subscriptions, webhooks, and Connect. Triggers on: Stripe, stripe.checkout, PaymentIntent, Subscription, stripe.webhooks, Stripe Connect, payment_method.
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  55. Karpenter · ultroncore
    Karpenter — Kubernetes node autoprovisioning and autoscaling. Use this skill whenever the user wants to automatically provision EC2 instances (or other cloud VMs) for Kubernetes workloads, replace Cluster Autoscaler, configure NodePools/NodeClasses, use spot instances with intelligent fallback, or optimize node provisioning costs. Trigger for "karpenter", "NodePool", "EC2NodeClass", "spot instance autoscaling", or "node provisioning kubernetes".
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  56. Gdpr Dsgvo Expert · ultroncore bundle
    GDPR and German DSGVO compliance automation. Scans codebases for privacy risks, generates DPIA documentation, tracks data subject rights requests. Use for GDPR compliance assessments, privacy audits, data protection planning, DPIA generation, and data subject rights management.
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  57. Load Testing K6 · ultroncore
    Write and run load tests with k6 to measure API performance, find bottlenecks, and validate SLOs under realistic traffic patterns. Covers ramp-up scenarios, thresholds, metrics, and CI integration.
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  58. Design Tokens · ultroncore
    Create, manage, and distribute design tokens across platforms (web, iOS, Android, React Native). Covers W3C token format, Style Dictionary, Figma token sync, and multi-theme support.
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  59. Tanstack Form · ultroncore
    Headless, type-safe form library with first-class async validation
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  60. Tauri Desktop · ultroncore
    Build native desktop apps with Tauri 2.x — using web frontend (React/Vue/Svelte) with a Rust backend. Covers commands, events, file system access, window management, and distribution.
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  61. Firecrawl · ultroncore bundle
    Web scraping, search, crawling, and page interaction via the Firecrawl CLI. Use this skill whenever the user wants to search the web, find articles, research a topic, look something up online, scrape a webpage, grab content from a URL, extract data from a website, crawl documentation, download a site, or interact with pages that need clicks or logins. Also use when they say "fetch this page", "pull the content from", "get the page at https://", or reference scraping external websites. This provides real-time web search with full page content extraction and interact capabilities — beyond what Claude can do natively with built-in tools. Do NOT trigger for local file operations, git commands, deployments, or code editing tasks.
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  62. Storekit Iap · ultroncore bundle
    StoreKit 2 in-app purchases and subscriptions: loading products, purchasing, validating entitlements, and listening for transaction updates. Triggers on: StoreKit, IAP, in-app purchase, subscription, Product.products, Transaction, entitlement, consumable, non-consumable, auto-renewable.
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  63. Swift Macros · ultroncore bundle
    Swift 5.9+ macro authoring: freestanding and attached macros using SwiftSyntax, macro testing, and package setup. Triggers on: @attached, @freestanding, swift macro, MacroExpansionContext, SwiftSyntax, macro expansion.
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  64. Copy Editing · ultroncore bundle
    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 better,' 'copy sweep,' 'tighten this up,' 'this reads awkwardly,' 'clean up this text,' 'too wordy,' or 'sharpen the messaging.' Use this when the user already has copy and wants it improved rather than rewritten from scratch. For writing new copy, see copywriting.
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  65. Lead Magnets · ultroncore bundle
    When the user wants to create, plan, or optimize a lead magnet for email capture or lead generation. Also use when the user mentions "lead magnet," "gated content," "content upgrade," "downloadable," "ebook," "cheat sheet," "checklist," "template download," "opt-in," "freebie," "PDF download," "resource library," "content offer," "email capture content," "Notion template," "spreadsheet template," or "what should I give away for emails." Use this for planning what to create and how to distribute it. For interactive tools as lead magnets, see free-tool-strategy. For writing the actual content, see copywriting. For the email sequence after capture, see email-sequence.
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  66. Devils Advocate · ultroncore bundle
    Apply this skill on EVERY single request Example User makes — no exceptions. Before agreeing, complying, or executing anything, engage devil's advocate mode: challenge assumptions, probe reasoning, surface risks, and ask for missing context. Do NOT just do what Example User asks first. Always push back or probe first, then execute once the reasoning is solid. Triggers on: any task handoff, any project request, any writing task, any plan, any decision, any "build me", "write me", "make me", "help me", "do this", or any instruction where Example User hands something off. If Example User is about to do something, challenge it. If Example User wants you to build something, interrogate it. If Example User has a plan, poke holes in it. This is always on.
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  67. Storybook Expert · ultroncore bundle
    Storybook 8 for React component development, visual testing, and documentation. Triggers on: Storybook, .stories.tsx, Meta, StoryObj, args, argTypes, decorators, play function, MSW, Chromatic.
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  68. Internal Comms · ultroncore bundle
    A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
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  69. Technical Docs · ultroncore bundle
    Technical documentation with Docusaurus, VitePress, or MDX — site setup, content structure, and versioning. Triggers on: Docusaurus, VitePress, docs site, MDX, documentation, changelog, .mdx, sidebar configuration.
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  70. Writing Skills · ultroncore
    Use when creating new skills, editing existing skills, or verifying skills work before deployment
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  71. AI Cost Optimizer · ultroncore bundle
    LLM cost reduction: prompt caching, model routing, token optimization, and batching. Triggers on: prompt caching, cache_control, token budget, cost optimization, batch API, model routing, input tokens.
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  72. Embeddings Expert · ultroncore bundle
    Text embeddings for semantic search, clustering, RAG retrieval, and similarity. Triggers on: embeddings, embedding model, sentence-transformers, text-embedding, cosine similarity, semantic search, vector similarity.
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  73. Ollama Python Sdk · ultroncore
    Programmatic local LLM usage via the official Ollama Python SDK
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  74. Prompt Versioning · ultroncore bundle
    Prompt management, versioning, A/B testing, and evaluation tracking for production AI features. Triggers on: prompt version, prompt management, prompt registry, prompt A/B test, prompt eval, system prompt tracking.
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  75. Ffmpeg Media · ultroncore bundle
    FFmpeg media processing: video transcoding, thumbnail extraction, audio processing, and batch operations. Triggers on: ffmpeg, ffprobe, -vcodec, -acodec, -vf, HLS, mp4, WebM, thumbnail, video compress, gif from video.
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  76. Crossplane · ultroncore
    Crossplane — Kubernetes-native infrastructure control plane. Use this skill whenever the user wants to manage cloud infrastructure using Kubernetes CRDs, build internal developer platforms (IDPs), compose cloud resources with XRDs/Compositions, use provider-aws/azure/gcp, or talk about "infrastructure as Kubernetes objects". Trigger for mentions of Crossplane, composite resources, XRDs, Compositions, managed resources, or "IDP on Kubernetes".
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  77. Pocketbase · ultroncore bundle
    PocketBase self-hosted backend: collections, auth, realtime, file storage, and JS SDK. Triggers on: PocketBase, pocketbase, pb.collection, pb.authStore, PocketBase SDK, .getFullList(), pb.files.getUrl.
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  78. Duckdb · ultroncore
    Analyze data with DuckDB — an in-process analytical database that runs SQL directly on Parquet, CSV, JSON, and Arrow files with columnar speed. Use this skill whenever the user wants to query local files with SQL, run analytics without a database server, analyze Parquet or CSV data, or use DuckDB in Python/Node.js/Wasm. Trigger for "duckdb", "query parquet files", "in-process analytics", "fast local sql", or "duckdb python".
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  79. Polars · ultroncore bundle
    Fast in-memory DataFrame library for datasets that fit in RAM. Use when pandas is too slow but data still fits in memory. Lazy evaluation, parallel execution, Apache Arrow backend. Best for 1-100GB datasets, ETL pipelines, faster pandas replacement. For larger-than-RAM data use dask or vaex.
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  80. Mobile CI CD · ultroncore
    Build CI/CD pipelines for iOS and Android apps using Fastlane, GitHub Actions, and Xcode Cloud. Covers code signing automation, TestFlight distribution, Google Play deployment, screenshot automation, versioning, and parallel device testing.
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  81. IOS Simulator · ultroncore bundle
    iOS Simulator Automation
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  82. Ab Test Setup · ultroncore bundle
    When the user wants to plan, design, or implement an A/B test or experiment. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "should I test this," "which version is better," "test two versions," "statistical significance," or "how long should I run this test." Use this whenever someone is comparing two approaches and wants to measure which performs better. For tracking implementation, see analytics-tracking. For page-level conversion optimization, see page-cro.
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  83. Schema Markup · ultroncore
    When the user wants to add, fix, or optimize schema markup and structured data on their site. Also use when the user mentions "schema markup," "structured data," "JSON-LD," "rich snippets," "schema.org," "FAQ schema," "product schema," "review schema," "breadcrumb schema," "Google rich results," "knowledge panel," "star ratings in search," or "add structured data." Use this whenever someone wants their pages to show enhanced results in Google. For broader SEO issues, see seo-audit. For AI search optimization, see ai-seo.
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  84. SEO AI Search · ultroncore
    SEO and AI search optimization — technical audits, content strategy for Google and LLM citation, programmatic page generation, and site architecture planning.
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  85. Web Researcher · ultroncore
    Web research and content extraction — search the web with full page content, scrape any URL, autonomously extract structured data from complex sites, and synthesize findings into actionable intelligence.
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  86. Opa Gatekeeper · ultroncore
    OPA/Gatekeeper — Open Policy Agent and Gatekeeper for Kubernetes policy enforcement. Use this skill whenever the user wants to enforce admission policies in Kubernetes, write Rego policies, set up ConstraintTemplates, prevent privileged containers, enforce label standards, validate image registries, or use OPA for general policy-as-code. Trigger for "OPA", "Gatekeeper", "ConstraintTemplate", "Rego", "admission webhook", or "policy enforcement kubernetes".
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  87. Typescript Expert · ultroncore bundle
    Advanced TypeScript patterns: generics, utility types, conditional types, template literals, discriminated unions, and type narrowing. Triggers on: TypeScript generics, Omit, Pick, Partial, Record, infer, satisfies, as const, discriminated union, keyof typeof.
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  88. Doc Coauthoring · ultroncore bundle
    Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.
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  89. Prompt Deepener · ultroncore bundle
    Use when a prompt is vague, minimal, rushed, or incomplete — "fix this", "make this better", "set this up", "do this". Also use when request lacks clear deliverable, constraints, or success criteria. Activates automatically on all non-trivial requests.
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  90. Embedding Pipeline · ultroncore
    Build production embedding pipelines for semantic search, RAG, and recommendation systems. Covers text chunking strategies, batch embedding with OpenAI/Anthropic/HuggingFace, vector storage, embedding updates, and monitoring embedding quality.
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  91. Huggingface Gradio · ultroncore bundle
    Build Gradio web UIs and demos in Python. Use when creating or editing Gradio apps, components, event listeners, layouts, or chatbots.
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  92. Ollama Integration · ultroncore bundle
    Local LLM deployment and integration using Ollama. Pull models, run inference, stream responses, use the REST API or ollama Python/JS library. Triggers on: ollama, Ollama, local LLM, llama.cpp, local model, ollama pull, ollama run.
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  93. Openrouter Litellm · ultroncore bundle
    Multi-provider LLM routing with OpenRouter and LiteLLM for unified API access and fallbacks. Triggers on: OpenRouter, LiteLLM, litellm, openrouter, OPENROUTER_API_KEY, model routing, LLM fallback.
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  94. RAG Pipeline Setup · ultroncore
    Build Retrieval-Augmented Generation (RAG) pipelines that give Claude access to external knowledge bases, documents, and codebases. Use when Claude needs to answer questions from documents, search a knowledge base, or augment responses with retrieved context. Trigger when users mention RAG, embeddings, vector search, document Q&A, knowledge base, semantic search, or llama_index.
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  95. Cursor Expert · ultroncore bundle
    Cursor AI IDE features, rules (.cursorrules / cursor rules), composer, and custom agent workflows. Triggers on: Cursor, .cursorrules, cursor rules, @Codebase, cursor composer, Cursor agent, Cursor tab.
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  96. Deploy To Vercel · ultroncore bundle
    Deploy applications and websites to Vercel. Use when the user requests deployment actions like "deploy my app", "deploy and give me the link", "push this live", or "create a preview deployment".
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  97. Go Microservices · ultroncore
    Build, structure, and deploy production Go microservices with proper error handling, middleware, graceful shutdown, observability, and Docker/Kubernetes deployment patterns.
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  98. Wasm Integration · ultroncore
    Integrate WebAssembly modules into web and server applications — compilation targets, JS/TypeScript bindings, WASI, performance optimization, and toolchain setup. Use when calling Rust/C/C++ code from a browser or Node.js app, or when deploying WASM to edge runtimes.
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  99. Information Security Manager Iso27001 · ultroncore bundle
    ISO 27001 ISMS implementation and cybersecurity governance for HealthTech and MedTech companies. Use for ISMS design, security risk assessment, control implementation, ISO 27001 certification, security audits, incident response, and compliance verification. Covers ISO 27001, ISO 27002, healthcare security, and medical device cybersecurity.
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  100. Dagster · ultroncore
    Build data pipelines and orchestrate data assets with Dagster — an asset-centric data orchestration platform with built-in lineage, observability, and scheduling. Use this skill whenever the user mentions Dagster, wants to orchestrate data pipelines as software-defined assets, or needs a modern alternative to Airflow with better testing and observability. Trigger for "dagster", "software defined assets", "data asset orchestration", "dagster pipeline", or "dagster dbt".
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