Root cause analysis for debugging. Use when bugs, test failures, or unexpected behavior have non-obvious causes, or after multiple fix attempts have failed.

Red-green-refactor development methodology requiring verified test coverage. Use for feature implementation, bugfixes, refactoring, or any behavior changes where tests must prove correctness.

Generates SKILL.md files for npm packages following Anthropic's Agent Skills specification. Use when adding agent documentation to an npm package, making a package AI-agent friendly, or creating...

Generates SKILL.md files for npm packages following Anthropic's Agent Skills specification. Use when adding agent documentation to an npm package, making a package AI-agent friendly, or creating...

Create or augment technical documentation. Use when writing new skills, updating existing skills. Also use when modifying project documentation like AGENTS.md.

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A collection of useful md files for claude code. Subagents, commands, skills etc.

This skill provides a complete SEO content workflow for creating, analyzing, and optimizing long-form blog content. Use when the user wants to research topics, write SEO-optimized articles,...

Browser automation powers web testing, scraping, and AI agent interactions. The difference between a flaky script and a reliable system comes down to understanding selectors, waiting strategies,...

Browser automation powers web testing, scraping, and AI agent interactions. The difference between a flaky script and a reliable system comes down to understanding selectors, waiting strategies,...

This skill should be used when the user asks to "optimize an agent with GEPA", "use reflective optimization", "optimize ReAct agents", "provide feedback metrics", mentions "GEPA optimizer", "LLM...

Guide for creating AGENTS.md files, configuring monorepos, and managing agent instructions.

This skill should be used when the user asks to "offload context to files", "implement dynamic context discovery", "use filesystem for agent memory", "reduce context window bloat", or mentions...

This skill should be used when the user asks to "start an LLM project", "design batch pipeline", "evaluate task-model fit", "structure agent project", or mentions pipeline architecture,...

Structured implementation planning for multi-step development tasks. Use when you have a spec or requirements and need to break work into executable steps.

Guide for creating effective AI agent skills. Use when users want to create a new skill (or update an existing skill) that extends an AI agent's capabilities with specialized knowledge, workflows,...

LLM application architecture expert for RAG, prompting, agents, and production AI systemsUse when "rag system, prompt engineering, llm application, ai agent, structured output, chain of thought,...

Fully autonomous TDD with strict guardrails. Use when you want the AI to drive the entire RED-GREEN-REFACTOR cycle independently while maintaining TDD discipline.

This skill should be used when the user asks to "understand context", "explain context windows", "design agent architecture", "debug context issues", "optimize context usage", or discusses context...

作業記憶を永続化する。調査結果、設計判断、進捗などをマークダウンで保存し、セッション間で再利用可能にする。「記憶して」「思い出して」「記憶一覧」で発動。