Everything Claude Code (ECC) Complete Cheatsheet

Introduction Everything Claude Code (ECC) is a comprehensive configuration collection for Claude Code. It consists of 13 agents, 30+ skills, 30+ commands, rules, and hooks that enable an end-to-end PDCA development cycle. This cheatsheet serves as a quick reference for every ECC feature. Official ECC repository: everything-claude-code Slash Commands ( /command ) Development Workflow Command Description /plan Gather requirements, assess risks, and create an implementation plan. Waits for user confirmation before touching code /tdd Enforce TDD workflow: write tests first, implement, verify 80%+ coverage /build-fix Incrementally fix TypeScript / build errors /code-review Security and quality review of uncommitted changes /refactor-clean Detect and safely remove dead code (with test verification) /test-coverage Analyze test coverage and generate missing tests /verify Comprehensive verification of the entire codebase /checkpoint Create and verify checkpoints during workflows E2E Testing Com