Verification Loop is a development claude skill built by Affaan M. Best for: Developers use this before creating PRs to ensure code meets quality gates and security standards..

What it does
Run comprehensive quality checks across build, types, lint, tests, and security.
Category
development
Created by
Affaan M
Last updated
Claude Skilldevelopment GitHub-backed CuratedintermediateClaude Code

Verification Loop

Run comprehensive quality checks across build, types, lint, tests, and security.

Skill instructions


name: verification-loop description: > A comprehensive verification system for Kiro sessions. metadata: origin: ECC

Verification Loop Skill

A comprehensive verification system for Kiro sessions.

When to Use

Invoke this skill:

  • After completing a feature or significant code change
  • Before creating a PR
  • When you want to ensure quality gates pass
  • After refactoring

Verification Phases

Phase 1: Build Verification

# Check if project builds
npm run build 2>&1 | tail -20
# OR
pnpm build 2>&1 | tail -20

If build fails, STOP and fix before continuing.

Phase 2: Type Check

# TypeScript projects
npx tsc --noEmit 2>&1 | head -30

# Python projects
pyright . 2>&1 | head -30

Report all type errors. Fix critical ones before continuing.

Phase 3: Lint Check

# JavaScript/TypeScript
npm run lint 2>&1 | head -30

# Python
ruff check . 2>&1 | head -30

Phase 4: Test Suite

# Run tests with coverage
npm run test -- --coverage 2>&1 | tail -50

# Check coverage threshold
# Target: 80% minimum

Report:

  • Total tests: X
  • Passed: X
  • Failed: X
  • Coverage: X%

Phase 5: Security Scan

# Check for secrets
grep -rn "sk-" --include="*.ts" --include="*.js" . 2>/dev/null | head -10
grep -rn "api_key" --include="*.ts" --include="*.js" . 2>/dev/null | head -10

# Check for console.log
grep -rn "console.log" --include="*.ts" --include="*.tsx" src/ 2>/dev/null | head -10

Phase 6: Diff Review

# Show what changed
git diff --stat
git diff HEAD~1 --name-only

Review each changed file for:

  • Unintended changes
  • Missing error handling
  • Potential edge cases

Output Format

After running all phases, produce a verification report:

VERIFICATION REPORT
==================

Build:     [PASS/FAIL]
Types:     [PASS/FAIL] (X errors)
Lint:      [PASS/FAIL] (X warnings)
Tests:     [PASS/FAIL] (X/Y passed, Z% coverage)
Security:  [PASS/FAIL] (X issues)
Diff:      [X files changed]

Overall:   [READY/NOT READY] for PR

Issues to Fix:
1. ...
2. ...

Continuous Mode

For long sessions, run verification every 15 minutes or after major changes:

Set a mental checkpoint:
- After completing each function
- After finishing a component
- Before moving to next task

Run: /verify

Integration with Hooks

This skill complements postToolUse hooks but provides deeper verification. Hooks catch issues immediately; this skill provides comprehensive review.

Use this skill

Most skills are portable instruction packages. Claude Code supports SKILL.md directly. Other agents can use adapted files like AGENTS.md, .cursorrules, and GEMINI.md.

Claude Code

Save SKILL.md into your Claude Skills folder, then restart Claude Code.

mkdir -p ~/.claude/skills/verification-loop && curl -L "https://raw.githubusercontent.com/affaan-m/everything-claude-code/HEAD/.kiro/skills/verification-loop/SKILL.md" -o ~/.claude/skills/verification-loop/SKILL.md

Installs to ~/.claude/skills/verification-loop/SKILL.md.

Use cases

Developers use this before creating PRs to ensure code meets quality gates and security standards.

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Stats

Installs0
GitHub Stars174.1k
Forks26970
LicenseMIT
UpdatedMar 27, 2026