Open-source AI observability platform for LLM tracing, evaluation, and monitoring. Use when debugging LLM applications with detailed traces, running evaluations on datasets, or monitoring...

Always active. Tracks usage of code-craft skills across sessions. Log skill applications to enable analytics and identify gaps.

Brief description of what this skill does and provides. Use when [clear trigger condition that indicates this skill should activate]. Keep under 200 words.

Code formatting with Prettier for consistent style across the codebase.

结构化AI提示词写作工具，内置395+提示词模板。支持详细模式和简单模式。用于创建专业的AI角色提示词、系统提示词或任务提示词。当用户需要：(1) 创建新的AI提示词/Prompt (2) 设计AI角色/Persona (3) 编写系统提示词 (4) 优化现有提示词结构时使用此技能。

Guides implementation of Next.js 15 App Router features with Supabase SSR. Helps choose between Server/Client Components, select correct Supabase client, and follow security patterns. Use when...

Generate comprehensive documentation with intelligent orchestration and parallel execution

Builds precise production-ready custom Agent Skills following AgentSkills.io guidelines. Use when user requests to create, refine or package Skills

Voice agents represent the frontier of AI interaction - humans speaking naturally with AI systems. The challenge isn't just speech recognition and synthesis, it's achieving natural conversation...

Voice agents represent the frontier of AI interaction - humans speaking naturally with AI systems. The challenge isn't just speech recognition and synthesis, it's achieving natural conversation...

Creates and maintains AGENTS.md documentation files that guide AI coding agents through a codebase. Use when adding a significant new feature or directory, changing project architecture, setting...

Best practices for Remotion - Video creation in React

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup

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...

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes

Use when executing implementation plans with independent tasks in the current session

Extract subtitles/transcripts from YouTube videos. Triggers: "youtube transcript", "extract subtitles", "video captions", "视频字幕", "字幕提取", "YouTube转文字", "提取字幕".

Create AGENTS.md files for AI agent context. Use when setting up project-level agent instructions, defining constraints, establishing conventions, or documenting agent-specific guidance.

专门用于在对话结束时，根据用户反馈和对话内容总结优化并迭代现有 Skills 的核心工具。它通过吸取对话中的“精华”（如成功的解决方案、失败的教训、特定的代码规范）来持续演进 Skills 库。

Claude Code agent generation system that creates custom agents and sub-agents with enhanced YAML frontmatter, tool access patterns, and MCP integration support following proven production patterns