HUMMBL MCP Server

# Gate Check Protocol **Purpose**: Systematic quality assurance between implementation phases **Status**: ACTIVE - Use for all phase transitions **Created**: 2026-01-21 --- ## Overview This protocol ensures each implementation phase meets quality standards before proceeding to the next. It prevents compounding technical debt, catches issues early, and maintains high quality throughout development. ### When to Run - ✅ Before merging a feature branch - ✅ Before proceeding to next phase of implementation plan - ✅ Before releasing to production - ✅ After major refactoring - ✅ When directed by team lead ### How to Use 1. Work through each category sequentially 2. Check items that pass ✅ 3. Document any failures with action items 4. Phase cannot proceed until all **REQUIRED** items pass 5. **OPTIONAL** items can be deferred with justification --- ## Gate Check Categories ### 1. Code Quality ⚙️ #### REQUIRED - [ ] **No TypeScript errors**: `npm run typecheck` passes - [ ] **Linting passes**: `npm run lint` shows zero errors - [ ] **Formatting consistent**: `npm run format:check` passes - [ ] **No console.log/debugger statements** in production code - [ ] **Error handling**: All async operations have try-catch or .catch() - [ ] **No hardcoded secrets**: API keys, passwords, tokens use env vars - [ ] **Function complexity**: No function exceeds 50 lines (or justified) - [ ] **Naming conventions**: Variables/functions clearly describe purpose - [ ] **No commented-out code**: Removed or explained with TODO #### OPTIONAL - [ ] Code coverage above 80% - [ ] Complexity metrics within thresholds (cyclomatic < 10) - [ ] No duplication above 5% (DRY principle) **Action Items** (if any failures): ``` [List what needs to be fixed before proceeding] ``` --- ### 2. Testing 🧪 #### REQUIRED - [ ] **All tests pass**: `npm test` succeeds - [ ] **New features have tests**: Every new function/tool has at least one test - [ ] **Critical paths tested**: Core functionality covered - [ ] **No skipped tests**: No `.skip()` or `xit()` without justification - [ ] **Tests are deterministic**: No flaky tests (run 3x to verify) #### OPTIONAL - [ ] Integration tests for new features - [ ] Performance/load tests - [ ] Edge case coverage - [ ] Mutation testing **Test Coverage Report**: ```bash npm run test:coverage # Paste summary here ``` **Action Items**: ``` [List missing tests or test failures] ``` --- ### 3. Documentation 📚 #### REQUIRED - [ ] **README updated**: New features documented - [ ] **API documentation**: All public functions have JSDoc comments - [ ] **Examples provided**: Real-world usage examples for new features - [ ] **Breaking changes noted**: CHANGELOG.md updated if applicable - [ ] **Links work**: All markdown links resolve correctly - [ ] **Installation instructions**: Accurate and tested #### OPTIONAL - [ ] Video/GIF demonstrations - [ ] Architecture diagrams updated - [ ] Tutorial or guide created - [ ] FAQ updated **Documentation Checklist**: - [ ] User can understand what the feature does - [ ] User can implement the feature without asking questions - [ ] Edge cases and limitations documented - [ ] Migration path clear (if breaking change) **Action Items**: ``` [List documentation gaps] ``` --- ### 4. User Experience 🎯 #### REQUIRED - [ ] **Error messages are helpful**: Users know what went wrong and how to fix it - [ ] **Validation is clear**: Input requirements explained upfront - [ ] **No silent failures**: Errors are surfaced, not swallowed - [ ] **Response times acceptable**: < 3s for typical operations - [ ] **Backwards compatible**: Existing users not broken (unless major version) #### OPTIONAL - [ ] Onboarding flow tested with new user - [ ] Accessibility considerations - [ ] Mobile/responsive (if applicable) - [ ] Localization support **User Testing Notes**: ``` [Test with actual user or document hypothetical user journey] ``` **Action Items**: ``` [List UX improvements needed] ``` --- ### 5. Technical Debt 🏗️ #### REQUIRED - [ ] **No TODO comments** without GitHub issues (or create issues) - [ ] **Known bugs documented**: Issues created with reproduction steps - [ ] **Dependencies up to date**: No critical security vulnerabilities - [ ] **Deprecated APIs removed**: Or migration plan documented - [ ] **Dead code removed**: Unused imports, functions, files deleted #### OPTIONAL - [ ] Refactoring opportunities documented - [ ] Performance optimization opportunities noted - [ ] Architecture improvements identified **Technical Debt Inventory**: ```bash # Check for TODOs grep -r "TODO" src/ --exclude-dir=node_modules # Check for FIXMEs grep -r "FIXME" src/ --exclude-dir=node_modules # Check dependencies npm audit ``` **Action Items**: ``` [List technical debt that must be addressed vs. deferred] ``` --- ### 6. Dependencies 📦 #### REQUIRED - [ ] **No critical vulnerabilities**: `npm audit` shows no critical/high issues - [ ] **License compatibility**: All dependencies have compatible licenses - [ ] **Dependencies justified**: Each dependency has clear purpose - [ ] **Lock file updated**: package-lock.json committed - [ ] **Peer dependencies satisfied**: No unmet peer dependency warnings #### OPTIONAL - [ ] Dependencies updated to latest stable - [ ] Bundle size acceptable - [ ] Tree-shaking verified **Dependency Audit**: ```bash npm audit npm ls --depth=0 ``` **Action Items**: ``` [List dependency issues] ``` --- ### 7. Performance ⚡ #### REQUIRED - [ ] **No obvious bottlenecks**: Profiling shows acceptable performance - [ ] **Memory leaks checked**: Long-running processes don't grow unbounded - [ ] **Database queries optimized**: N+1 queries eliminated - [ ] **Caching implemented**: Expensive operations cached where appropriate - [ ] **Resource cleanup**: Connections, files, listeners properly closed #### OPTIONAL - [ ] Load testing completed - [ ] CDN/asset optimization - [ ] Lazy loading implemented - [ ] Performance budgets met **Performance Benchmarks**: ``` [Document key metrics: response time, memory usage, etc.] ``` **Action Items**: ``` [List performance improvements needed] ``` --- ### 8. Security 🔒 #### REQUIRED - [ ] **Input validation**: All user inputs validated and sanitized - [ ] **SQL injection prevention**: Parameterized queries or ORM used - [ ] **XSS prevention**: User content escaped - [ ] **CSRF protection**: (if applicable) - [ ] **Authentication/authorization**: Proper access controls - [ ] **Secrets management**: No secrets in code or logs - [ ] **Dependencies scanned**: No known vulnerabilities #### OPTIONAL - [ ] Security audit by third party - [ ] Penetration testing - [ ] Rate limiting implemented - [ ] DDoS protection **Security Checklist**: ```bash npm audit # Check for exposed secrets git log -p | grep -i "password\|api_key\|secret" ``` **Action Items**: ``` [List security concerns] ``` --- ### 9. Observability 📊 #### REQUIRED - [ ] **Logging implemented**: Key operations logged with context - [ ] **Errors logged**: All errors captured with stack traces - [ ] **Log levels appropriate**: Debug/info/warn/error used correctly - [ ] **No PII in logs**: Personal information excluded - [ ] **Metrics instrumented**: Key operations have metrics (if observability exists) #### OPTIONAL - [ ] Distributed tracing - [ ] Alerting configured - [ ] Dashboard created - [ ] SLO/SLA defined **Observability Checklist**: - [ ] Can debug production issues from logs - [ ] Can measure performance in production - [ ] Can detect and alert on failures **Action Items**: ``` [List observability gaps] ``` --- ### 10. Deployment Readiness 🚀 #### REQUIRED - [ ] **Build succeeds**: `npm run build` completes without errors - [ ] **Environment variables documented**: .env.example updated - [ ] **Configuration validated**: Required env vars checked at startup - [ ] **Deployment tested**: Deployed to staging/preview environment - [ ] **Rollback plan exists**: Can revert if deployment fails - [ ] **Migration path clear**: Database migrations tested (if applicable) #### OPTIONAL - [ ] Canary deployment strategy - [ ] Blue-green deployment - [ ] Feature flags - [ ] A/B testing setup **Deployment Checklist**: ``` [Document deployment steps and validation] ``` **Action Items**: ``` [List deployment blockers] ``` --- ## Gate Decision Matrix | Category | Status | Required | Blocker | Notes | |----------|--------|----------|---------|-------| | Code Quality | ⬜ | ✅ | ⬜ | | | Testing | ⬜ | ✅ | ⬜ | | | Documentation | ⬜ | ✅ | ⬜ | | | User Experience | ⬜ | ✅ | ⬜ | | | Technical Debt | ⬜ | ✅ | ⬜ | | | Dependencies | ⬜ | ✅ | ⬜ | | | Performance | ⬜ | ✅ | ⬜ | | | Security | ⬜ | ✅ | ⬜ | | | Observability | ⬜ | ⬜ | ⬜ | | | Deployment | ⬜ | ✅ | ⬜ | | **Legend**: - ⬜ Status: Not Started / 🟡 In Progress / ✅ Complete / ❌ Failed - Blocker: Issues that prevent proceeding to next phase --- ## Final Gate Decision **Reviewers**: [Names] **Date**: [YYYY-MM-DD] ### Summary **Required Items**: __ / __ passing **Blocker Count**: __ ### Decision - [ ] ✅ **PASS** - Proceed to next phase - [ ] 🟡 **CONDITIONAL PASS** - Proceed with documented action items - [ ] ❌ **FAIL** - Must address blockers before proceeding ### Deferred Items If conditional pass, list items deferred to future phase with justification: ``` 1. [Item] - Reason for deferral, assigned to [person], due [date] 2. [Item] - Reason for deferral, assigned to [person], due [date] ``` ### Sign-off **Technical Lead**: _____________ Date: _______ **Product Owner**: _____________ Date: _______ **QA Lead**: _____________ Date: _______ --- ## Automation Scripts ### Quick Gate Check ```bash #!/bin/bash # gate-check.sh - Run automated checks echo "🔍 Running Gate Check Protocol..." echo "✓ TypeScript compilation..." npm run typecheck || exit 1 echo "✓ Linting..." npm run lint || exit 1 echo "✓ Formatting..." npm run format:check || exit 1 echo "✓ Tests..." npm test || exit 1 echo "✓ Build..." npm run build || exit 1 echo "✓ Security audit..." npm audit --audit-level=high || exit 1 echo "✅ All automated checks passed!" echo "📋 Complete manual checklist in GATE_CHECK_PROTOCOL.md" ``` ### Add to package.json ```json { "scripts": { "gate-check": "bash gate-check.sh" } } ``` --- ## Phase-Specific Considerations ### Phase 1 (Documentation/Examples) - **Focus**: Documentation quality, examples accuracy, user clarity - **Critical**: All examples must be tested and work - **Can defer**: Performance optimizations, advanced testing ### Phase 2 (New Features) - **Focus**: Code quality, testing, backwards compatibility - **Critical**: Tests pass, no breaking changes - **Can defer**: Performance tuning, advanced observability ### Phase 3 (Production Readiness) - **Focus**: Security, performance, deployment readiness - **Critical**: All security checks pass, rollback plan exists - **Cannot defer**: Anything marked REQUIRED --- ## Lessons Learned After each gate check, document: 1. **What worked well**: [Process strengths] 2. **What didn't work**: [Process weaknesses] 3. **Improvements for next time**: [Action items] 4. **Time spent**: [Duration of gate check] This protocol is a living document. Update based on experience. --- ## References - [Code Review Checklist](./CODE_REVIEW.md) (if exists) - [Testing Strategy](./TESTING.md) (if exists) - [Security Guidelines](./SECURITY.md) (if exists) - [Deployment Runbook](./DEPLOYMENT.md) (if exists) --- **Remember**: The goal is quality, not bureaucracy. If a check doesn't apply, mark it N/A with justification. Adapt this protocol to your team's needs.