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From engineering-advanced-skills
Claude Code Command Selection Guide - Automatically recommend and select the right commands, agents, and skills in Claude Code. Use when: (1) user is unsure which command or tool to use, (2) needs to decide which agent/skill best fits the current task, (3) querying usage scenarios for /plan, /tdd, /compact, /loop and other commands, (4) understanding when to invoke planner, code-reviewer, build-error-resolver and other agents, (5) needs command cheat sheet or decision flowchart. Triggers: "which command to use", "which agent", "command selection", "how to use /plan", "when to use /compact", "agent selection guide", "command cheat sheet", "skill recommendation".
npx claudepluginhub alexbramall/claude-code-skills --plugin engineering-advanced-skillsHow this skill is triggered — by the user, by Claude, or both
Slash command
/engineering-advanced-skills:command-guideThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
This skill helps you choose the most appropriate command, agent, or skill for different scenarios.
Guides technical evaluation of code review feedback: read fully, restate for understanding, verify against codebase, respond with reasoning or pushback before implementing.
Share bugs, ideas, or general feedback.
This skill helps you choose the most appropriate command, agent, or skill for different scenarios.
graph TD
A[User Request] --> B{Request Type?}
B -->|New Feature| C[/plan]
B -->|Bug Fix| D[/tdd or build-error-resolver]
B -->|Code Review| E[/code-review or code-reviewer agent]
B -->|Testing| F[/e2e or tdd-guide agent]
B -->|Context Too Long| G[/compact]
B -->|Documentation| H[/docs or docs-lookup agent]
B -->|Looping Task| I[/loop]
B -->|Security Review| J[security-reviewer agent]
C --> K[planner agent]
D --> L{Build Failed?}
L -->|Yes| M[build-error-resolver]
L -->|No| N[tdd-guide]
E --> O[code-reviewer]
F --> P[e2e-runner]
| Command | Use Case | Example |
|---|---|---|
/compact | Context too long (>150K tokens), slow response, task phase transition | /compact or auto-trigger |
/clear | Start fresh conversation, clear history | /clear |
/loop | Periodic task execution, automated looping work | /loop 5m check build status |
/help | View help, learn commands | /help |
/fast | Need faster response (Opus 4.6 only) | /fast |
/model | Switch model | /model sonnet |
| Command | Use Case | Activation Timing |
|---|---|---|
/plan | Start new feature, architecture refactor, complex tasks | Enter Plan Mode |
/tdd | Write tests, TDD development workflow | When test guidance needed |
/e2e | E2E testing, critical user flow verification | When browser testing needed |
/code-review | Code quality review | After writing code |
/build-fix | Build failure, type errors | When build fails |
/learn | Extract patterns from session, learning | Before session ends |
/skill-create | Create new skill from git history | When repeating patterns found |
| Command | Use Case | Example |
|---|---|---|
/docs | Update project documentation | /docs |
/update-codemaps | Update code maps | /update-codemaps |
/remember | Save memory to memory system | /remember user prefers concise output |
/tasks | View task list | /tasks |
| Agent | Trigger Condition | Purpose |
|---|---|---|
planner | Complex feature request, architectural decision | Create implementation plan |
architect | System design, tech stack selection | Architecture analysis and decisions |
tdd-guide | New feature, bug fix | TDD workflow guidance |
code-reviewer | Invoke immediately after writing code | Code quality review |
security-reviewer | Handling auth, API, sensitive data | Security vulnerability detection |
| Agent | Trigger Condition | Purpose |
|---|---|---|
build-error-resolver | Invoke immediately when build fails | Fix build/type errors |
e2e-runner | Critical user flows, before PR | E2E test execution |
refactor-cleaner | Code maintenance, dead code cleanup | Dead code detection and cleanup |
doc-updater | Update docs, codemaps | Documentation sync |
| Agent | Trigger Condition | Purpose |
|---|---|---|
Explore | Codebase exploration, file finding | Quick codebase exploration |
general-purpose | Complex multi-step tasks | General task handling |
docs-lookup | Query library/framework docs | Get latest API documentation |
| Skill | Trigger Timing | Purpose |
|---|---|---|
tdd-workflow | Developing new feature/fixing bug | Complete TDD workflow guidance |
verification-loop | After feature completion, before PR | Comprehensive verification (build/test/lint/security) |
strategic-compact | Long session, context pressure | Guide when to manually /compact |
| Skill | Trigger Timing | Purpose |
|---|---|---|
frontend-patterns | Frontend development | React/Next.js/Vue best practices |
backend-patterns | Backend development | API/service architecture patterns |
api-design | API design | RESTful/API design standards |
mcp-server-patterns | MCP server development | MCP configuration and patterns |
| Skill | Trigger Timing | Purpose |
|---|---|---|
e2e-testing | E2E testing needs | Playwright test generation |
security-review | Security review needs | OWASP Top 10 detection |
| Skill | Trigger Timing | Purpose |
|---|---|---|
deep-research | Need deep research | Multi-round search and research |
exa-search | Need web search | Web content search |
documentation-lookup | Query library docs | Context7 documentation query |
| Phase | Recommended Tool Combination | Reason |
|---|---|---|
| Requirements Analysis | planner + Explore | Plan first, explore later |
| Architecture Design | architect + api-design skill | Professional architecture guidance |
| Pre-Development | tdd-guide + tdd-workflow skill | Test first |
| During Development | Direct edit + quick iteration | Stay in flow |
| Post-Development | code-reviewer + verification-loop | Quality gate |
| Testing Phase | e2e-runner + e2e-testing skill | Complete test coverage |
| Before PR | security-reviewer + verification-loop | Final verification |
| Build Failure | build-error-resolver | Focused fix |
| Problem | Invoke Immediately | Note |
|---|---|---|
| Build failure | build-error-resolver | Minimal changes, quick fix |
| Type error | build-error-resolver | TypeScript specialist |
| Bug fix | tdd-guide | Write test then fix |
| Security vulnerability | security-reviewer | OWASP detection |
| Poor code quality | code-reviewer | Immediate review |
| Missing documentation | doc-updater | Auto update |
| Dead code | refactor-cleaner | Safe cleanup |
| Development Type | Skills Combination |
|---|---|
| Frontend feature | frontend-patterns + tdd-workflow |
| Backend API | backend-patterns + api-design + tdd-workflow |
| MCP server | mcp-server-patterns + tdd-workflow |
| Database | database-reviewer agent |
| Security feature | security-reviewer + security-review skill |
Recommended: Launch multiple independent tasks simultaneously
Scenario: Preparing PR after code completion
Scenario: Large refactor analysis
Cannot parallelize: Dependencies exist
Scenario: Fixing build error
Scenario: New feature development
| Situation | Auto Action |
|---|---|
| Code written/modified | Immediately invoke code-reviewer |
| Build fails | Immediately invoke build-error-resolver |
| Complex feature request | Immediately invoke planner |
| Handling auth/sensitive data | Immediately invoke security-reviewer |
| New feature/bug fix | Immediately invoke tdd-guide |
| Architectural decision | Immediately invoke architect |
| Indicator | Trigger /compact |
|---|---|
| Token > 150K | Immediately compact |
| Slow response | Suggest compact |
| Task phase switch | Compact at boundary |
| Major milestone completed | Compact then continue |
| Debugging ends -> new task | Clear debug traces |
Best Practices:
Development Workflow:
/plan -> Enter planning mode (complex tasks)
/tdd -> TDD workflow
/e2e -> E2E testing
/code-review -> Code review
/build-fix -> Fix build
Session Management:
/compact -> Compact context
/clear -> Clear session
/loop -> Looping task
/fast -> Fast mode
Documentation & Memory:
/docs -> Update docs
/remember -> Save memory
/tasks -> View tasks
Help:
/help -> View all commands
User: Add user authentication feature
Workflow:
User: npm run build failed
Workflow:
User: Refactor authentication module
Workflow:
Core Principles:
/plan for complex taskstdd-guide for new featurescode-reviewer when code completebuild-error-resolversecurity-reviewer for auth/APIverification-loop