Skill Cheat Sheet
All 22 Claude Code built-in Skills at a glance.
Dev Workflow
| Skill | One-Liner | Trigger | Don't Use For |
|---|---|---|---|
diagnose | Systematic bug diagnosis | /diagnose or "debug", "what's wrong" | Exploration, code review |
tdd | Test-driven: red→green→refactor | /tdd or "TDD", "test first" | Exploratory prototypes |
prototype | Throwaway prototype | /prototype or "prototype", "try out" | Production features |
Code Quality
| Skill | One-Liner | Trigger | Don't Use For |
|---|---|---|---|
review | Comprehensive code review | /review or "review", "check this" | Security audits |
simplify | Eliminate duplication | /simplify or "simplify", "duplicate" | Architecture, performance |
security-review | OWASP Top 10 audit | /security-review or "security audit" | General code review |
improve-codebase-architecture | Decoupling, boundaries, testability | /improve-codebase-architecture | Micro-simplification |
Project Management
| Skill | One-Liner | Trigger | Don't Use For |
|---|---|---|---|
triage | Batch issue classification | /triage or "triage", "prioritize" | Fixing bugs |
to-issues | Break PRD into dev tasks | /to-issues or "break down" | Unclear requirements |
to-prd | Generate structured PRD | /to-prd or "write PRD" | Pre-discussion ideas |
handoff | Session handoff document | /handoff or "handoff", "continue" | Simple one-shot tasks |
Config & Tools
| Skill | One-Liner | Trigger | Don't Use For |
|---|---|---|---|
write-a-skill | Create custom Skill | /write-a-skill or "create skill" | Editing existing Skills |
claude-api | Claude API development | Import anthropic SDK (auto) | Other LLM providers |
update-config | Manage settings.json | /update-config or "configure" | Code logic changes |
init | Generate CLAUDE.md | /init or "initialize project" | Updating existing CLAUDE.md |
keybindings-help | Custom keybindings | /keybindings-help | System shortcuts |
fewer-permission-prompts | Reduce permission prompts | /fewer-permission-prompts | Unsafe commands |
Productivity
| Skill | One-Liner | Trigger | Don't Use For |
|---|---|---|---|
caveman | Ultra-compact mode, -75% tokens | /caveman or "be brief" | Detailed explanations |
loop | Recurring command execution | /loop 5m <cmd> | One-shot tasks |
grill-me | Deep interrogation, full decision tree | /grill-me or "grill", "challenge" | Quick decisions |
grill-with-docs | Review against project docs | /grill-with-docs | No project docs |
Codebase Understanding
| Skill | One-Liner | Trigger | Don't Use For |
|---|---|---|---|
understand-anything | Knowledge graph, architecture viz | /understand-anything:* | Small file edits |
Workflow Quick Reference
Requirement → grill-me → prototype → to-prd
Development → to-issues → tdd → review → simplify
Bug Fix → triage → diagnose → tdd → review
Architecture → improve-codebase-architecture → grill-with-docs → tdd
Code Review → review → simplify → security-review(optional)
Efficiency → caveman + loop
Context Mgmt → caveman / handoff
Onboarding → init → understand-onboard
API Dev → claude-api → tdd → review