Verification Loop

1---2name: verification-loop3description: "A comprehensive verification system for Claude Code sessions."4origin: ECC5---6 7# Verification Loop Skill8 9A comprehensive verification system for Claude Code sessions.10 11## When to Use12 13Invoke this skill:14- After completing a feature or significant code change15- Before creating a PR16- When you want to ensure quality gates pass17- After refactoring18 19## Verification Phases20 21### Phase 1: Build Verification22```bash23# Check if project builds24npm run build 2>&1 | tail -2025# OR26pnpm build 2>&1 | tail -2027```28 29If build fails, STOP and fix before continuing.30 31### Phase 2: Type Check32```bash33# TypeScript projects34npx tsc --noEmit 2>&1 | head -3035 36# Python projects37pyright . 2>&1 | head -3038```39 40Report all type errors. Fix critical ones before continuing.41 42### Phase 3: Lint Check43```bash44# JavaScript/TypeScript45npm run lint 2>&1 | head -3046 47# Python48ruff check . 2>&1 | head -3049```50 51### Phase 4: Test Suite52```bash53# Run tests with coverage54npm run test -- --coverage 2>&1 | tail -5055 56# Check coverage threshold57# Target: 80% minimum58```59 60Report:61- Total tests: X62- Passed: X63- Failed: X64- Coverage: X%65 66### Phase 5: Security Scan67```bash68# Check for secrets69grep -rn "sk-" --include="*.ts" --include="*.js" . 2>/dev/null | head -1070grep -rn "api_key" --include="*.ts" --include="*.js" . 2>/dev/null | head -1071 72# Check for console.log73grep -rn "console.log" --include="*.ts" --include="*.tsx" src/ 2>/dev/null | head -1074```75 76### Phase 6: Diff Review77```bash78# Show what changed79git diff --stat80git diff HEAD~1 --name-only81```82 83Review each changed file for:84- Unintended changes85- Missing error handling86- Potential edge cases87 88## Output Format89 90After running all phases, produce a verification report:91 92```93VERIFICATION REPORT94==================95 96Build:     [PASS/FAIL]97Types:     [PASS/FAIL] (X errors)98Lint:      [PASS/FAIL] (X warnings)99Tests:     [PASS/FAIL] (X/Y passed, Z% coverage)100Security:  [PASS/FAIL] (X issues)101Diff:      [X files changed]102 103Overall:   [READY/NOT READY] for PR104 105Issues to Fix:1061. ...1072. ...108```109 110## Continuous Mode111 112For long sessions, run verification every 15 minutes or after major changes:113 114```markdown115Set a mental checkpoint:116- After completing each function117- After finishing a component118- Before moving to next task119 120Run: /verify121```122 123## Integration with Hooks124 125This skill complements PostToolUse hooks but provides deeper verification.126Hooks catch issues immediately; this skill provides comprehensive review.