Guide for creating effective skills that extend Claude's capabilities

Structured workflow for collaboratively writing documentation, proposals, and technical specs with Claude through three stages: context gathering, iterative refinement, and reader testing

Creates comprehensive HTML architecture diagrams with SVG visualizations showing business context, data flows, processing pipelines, and system architecture

Generates comprehensive codebase documentation covering architecture (with Mermaid diagrams), directory structure, key components, integrations, data models, and development setup

TDD methodology for skill creation — test with subagents first, write skill to address failures, iterate until bulletproof against rationalization

Multi-agent workflow for automatically updating documentation based on code changes, covering docs/, README, JSDoc, and API docs with complexity-based routing

Analyzes GitHub issues and creates technical spec documents with problem statement, technical approach, implementation plan, and testing strategy