Debug LangChain and LangGraph agents by fetching execution traces from LangSmith Studio. Use when debugging agent behavior, investigating errors, analyzing tool calls, checking memory operations,...

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge,...

MCP Agent Mail - Mail-like coordination layer for multi-agent workflows. Identities, inbox/outbox, file reservations, contact policies, threaded messaging, pre-commit guard, Human Overseer, static...

Escribe y mejora CLAUDE.md siguiendo best practices. Usa cuando el usuario diga "crear CLAUDE.md", "mejorar CLAUDE.md", "actualizar CLAUDE.md", "revisar CLAUDE.md", "escribir instrucciones del...

Observe Before Editing

Systematic hook debugging workflow. Use when hooks aren't firing, producing wrong output, or behaving unexpectedly.

Create, fix, and validate skills for AI agents. Use when user says 'create a skill', 'write a skill', 'build a skill', 'fix my skill', 'skill not working', 'analyze my skill', 'run skill...

Unified math capabilities - computation, solving, and explanation. I route to the right tool.

Use when creating new skills, editing existing skills, or verifying skills work before deployment

Resume work from handoff document with context analysis and validation

Completion Check: Verify Infrastructure Is Wired

Research-to-implement pipeline chaining 5 MCP tools with graceful degradation

Multi-agent orchestration patterns. Use when multiple independent tasks can run with different domain expertise or when comprehensive analysis requires multiple perspectives.

Never Use TaskOutput

>

Analyze repository structure, patterns, conventions, and documentation for understanding a new codebase

Expert in Claude Code hooks - user-defined shell commands that execute at specific points in Claude Code's lifecycle. Provides guaranteed automation that doesn't rely on the LLM "remembering" to...

Git Commit Rules

Connect Claude to external apps like Gmail, Slack, GitHub. Use this skill when the user wants to send emails, create issues, post messages, or take actions in external services.

Show full session token usage, costs, TLDR savings, and hook activity