Downloads videos from YouTube and other platforms for offline viewing, editing, or archival. Handles various formats...
Development
Code generation, debugging, testing, and development workflows
3,510 技能
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend...
Manage isolated dev environments with git worktrees, auto ports, and preview URLs
Fix Next.js 404 errors from async params, localStorage SSR issues, and domain config mismatches. Covers Next.js...
Work autonomously until task is complete with self-correction loop. No questions asked - makes decisions based on...
Pause for human verification between major build phases. Use BETWEEN ultraplan phases - after completing one phase,...
Comprehensive Stripe e-commerce integration for React shops (Vite OR Next.js). Use when building online shops,...
Apply frontend development standards for React/Next.js/Tailwind projects. Covers colour extraction from logos,...
Velt Comments implementation patterns and best practices for React, Next.js, and web applications. Use when adding...
Velt CRDT (Yjs) collaborative editing best practices for real-time applications. This skill should be used when...
Velt Notifications implementation patterns and best practices for React, Next.js, and web applications. Use when...
Velt collaboration SDK setup guide for React, Next.js, Angular, Vue, and HTML applications. Use this skill when...
Use when refactoring existing code, modifying legacy code, or about to change code behavior. Use when terms like...
Use when executing phases from PLAN.md, running implementation work units, or resuming work from a previous session....
Use when user has learning content (YouTube transcripts, articles, tutorials) and wants to make it actionable....
Download YouTube video transcripts when user provides a YouTube URL or asks to download/get/fetch a transcript from...
Guide for writing skills that wrap CLI tools. Use when creating a new CLI skill. For review, run through the...
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Run sanity tests
React Query v4 (TanStack Query) best practices, patterns, and troubleshooting. Use when working with useQuery,...
Expert knowledge for testing Substreams applications. Covers unit testing, integration testing, performance testing,...
Expert debugger using ALL MCP servers for analysis. Uses Memory for past bugs, UltraThink for hypothesis testing,...