filesystem-context

Extract subtitles/transcripts from a YouTube video URL and save as a local file. Use when you need to extract subtitles from a YouTube video.

Supabase operational knowledge for migrations, RLS optimization, MCP tool benchmarks, and ADR-003 compliance. Use when validating database migrations, optimizing Row-Level Security policies, checking MCP tool performance, or ensuring Supabase operational standards. Triggers on:

CLI to manage emails via IMAP/SMTP. Use `himalaya` to list, read, write, reply, forward, search, and organize emails from the terminal. Supports multiple accounts and message composition with MML (MIME Meta Language).

OpenSpec 中文版规范助手 - 规范驱动的 AI 编程开发，帮助初始化、创建提案、编写规格、校验格式并归档变更。触发条件： 当用户提及 openspec、规范文档、需求管理、变更提案、spec-driven development 等关键词时主动调用。

Apply Go best practices, idioms, and conventions from golang.org/doc/effective_go. Use when writing, reviewing, or refactoring Go code to ensure idiomatic, clean, and efficient implementations.

A semantic grep-like search tool for your local files. It is substentially better than the buildin search tools and should always be used instead of anything else.