Verification & Quality Assurance Skill

What This Skill Does

This skill provides a comprehensive verification and quality assurance system that ensures code quality and correctness through:

• Truth Scoring: Real-time reliability metrics (0.0-1.0 scale) for code, agents, and tasks
• Verification Checks: Automated code correctness, security, and best practices validation
• Automatic Rollback: Instant reversion of changes that fail verification (default threshold: 0.95)
• Quality Metrics: Statistical analysis with trends, confidence intervals, and improvement tracking
• CI/CD Integration: Export capabilities for continuous integration pipelines
• Real-time Monitoring: Live dashboards and watch modes for ongoing verification

Prerequisites

• Claude Flow installed (

  npx claude-flow@alpha

  )
• Git repository (for rollback features)
• Node.js 18+ (for dashboard features)

Quick Start

# View current truth scores
npx claude-flow@alpha truth

# Run verification check
npx claude-flow@alpha verify check

# Verify specific file with custom threshold
npx claude-flow@alpha verify check --file src/app.js --threshold 0.98

# Rollback last failed verification
npx claude-flow@alpha verify rollback --last-good

---

Complete Guide

Truth Scoring System

View Truth Metrics

Display comprehensive quality and reliability metrics for your codebase and agent tasks.

Basic Usage:

# View current truth scores (default: table format)
npx claude-flow@alpha truth

# View scores for specific time period
npx claude-flow@alpha truth --period 7d

# View scores for specific agent
npx claude-flow@alpha truth --agent coder --period 24h

# Find files/tasks below threshold
npx claude-flow@alpha truth --threshold 0.8

Output Formats:

# Table format (default)
npx claude-flow@alpha truth --format table

# JSON for programmatic access
npx claude-flow@alpha truth --format json

# CSV for spreadsheet analysis
npx claude-flow@alpha truth --format csv

# HTML report with visualizations
npx claude-flow@alpha truth --format html --export report.html

Real-time Monitoring:

# Watch mode with live updates
npx claude-flow@alpha truth --watch

# Export metrics automatically
npx claude-flow@alpha truth --export .claude-flow/metrics/truth-$(date +%Y%m%d).json

Truth Score Dashboard

Example dashboard output:

📊 Truth Metrics Dashboard
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Overall Truth Score: 0.947 ✅
Trend: ↗️ +2.3% (7d)

Top Performers:
  verification-agent   0.982 ⭐
  code-analyzer       0.971 ⭐
  test-generator      0.958 ✅

Needs Attention:
  refactor-agent      0.821 ⚠️
  docs-generator      0.794 ⚠️

Recent Tasks:
  task-456  0.991 ✅  "Implement auth"
  task-455  0.967 ✅  "Add tests"
  task-454  0.743 ❌  "Refactor API"

Metrics Explained

Truth Scores (0.0-1.0):

• 1.0-0.95

  : Excellent ⭐ (production-ready)

• 0.94-0.85

  : Good ✅ (acceptable quality)

• 0.84-0.75

  : Warning ⚠️ (needs attention)

• <0.75

  : Critical ❌ (requires immediate action)

Trend Indicators:

• ↗️ Improving (positive trend)
• → Stable (consistent performance)
• ↘️ Declining (quality regression detected)

Statistics:

• Mean Score: Average truth score across all measurements
• Median Score: Middle value (less affected by outliers)
• Standard Deviation: Consistency of scores (lower = more consistent)
• Confidence Interval: Statistical reliability of measurements

Verification Checks

Run Verification

Execute comprehensive verification checks on code, tasks, or agent outputs.

File Verification:

# Verify single file
npx claude-flow@alpha verify check --file src/app.js

# Verify directory recursively
npx claude-flow@alpha verify check --directory src/

# Verify with auto-fix enabled
npx claude-flow@alpha verify check --file src/utils.js --auto-fix

# Verify current working directory
npx claude-flow@alpha verify check

Task Verification:

# Verify specific task output
npx claude-flow@alpha verify check --task task-123

# Verify with custom threshold
npx claude-flow@alpha verify check --task task-456 --threshold 0.99

# Verbose output for debugging
npx claude-flow@alpha verify check --task task-789 --verbose

Batch Verification:

# Verify multiple files in parallel
npx claude-flow@alpha verify batch --files "*.js" --parallel

# Verify with pattern matching
npx claude-flow@alpha verify batch --pattern "src/**/*.ts"

# Integration test suite
npx claude-flow@alpha verify integration --test-suite full

Verification Criteria

The verification system evaluates:

1. Code Correctness

   • Syntax validation
   • Type checking (TypeScript)
   • Logic flow analysis
   • Error handling completeness

2. Best Practices

   • Code style adherence
   • SOLID principles
   • Design patterns usage
   • Modularity and reusability

3. Security

   • Vulnerability scanning
   • Secret detection
   • Input validation
   • Authentication/authorization checks

4. Performance

   • Algorithmic complexity
   • Memory usage patterns
   • Database query optimization
   • Bundle size impact

5. Documentation

   • JSDoc/TypeDoc completeness
   • README accuracy
   • API documentation
   • Code comments quality

JSON Output for CI/CD

# Get structured JSON output
npx claude-flow@alpha verify check --json > verification.json

# Example JSON structure:
{
  "overallScore": 0.947,
  "passed": true,
  "threshold": 0.95,
  "checks": [
    {
      "name": "code-correctness",
      "score": 0.98,
      "passed": true
    },
    {
      "name": "security",
      "score": 0.91,
      "passed": false,
      "issues": [...]
    }
  ]
}

Automatic Rollback

Rollback Failed Changes

Automatically revert changes that fail verification checks.

Basic Rollback:

# Rollback to last known good state
npx claude-flow@alpha verify rollback --last-good

# Rollback to specific commit
npx claude-flow@alpha verify rollback --to-commit abc123

# Interactive rollback with preview
npx claude-flow@alpha verify rollback --interactive

Smart Rollback:

# Rollback only failed files (preserve good changes)
npx claude-flow@alpha verify rollback --selective

# Rollback with automatic backup
npx claude-flow@alpha verify rollback --backup-first

# Dry-run mode (preview without executing)
npx claude-flow@alpha verify rollback --dry-run

Rollback Performance:

• Git-based rollback: <1 second
• Selective file rollback: <500ms
• Backup creation: Automatic before rollback

Verification Reports

Generate Reports

Create detailed verification reports with metrics and visualizations.

Report Formats:

# JSON report
npx claude-flow@alpha verify report --format json

# HTML report with charts
npx claude-flow@alpha verify report --export metrics.html --format html

# CSV for data analysis
npx claude-flow@alpha verify report --format csv --export metrics.csv

# Markdown summary
npx claude-flow@alpha verify report --format markdown

Time-based Reports:

# Last 24 hours
npx claude-flow@alpha verify report --period 24h

# Last 7 days
npx claude-flow@alpha verify report --period 7d

# Last 30 days with trends
npx claude-flow@alpha verify report --period 30d --include-trends

# Custom date range
npx claude-flow@alpha verify report --from 2025-01-01 --to 2025-01-31

Report Content:

• Overall truth scores
• Per-agent performance metrics
• Task completion quality
• Verification pass/fail rates
• Rollback frequency
• Quality improvement trends
• Statistical confidence intervals

Interactive Dashboard

Launch Dashboard

Run interactive web-based verification dashboard with real-time updates.

# Launch dashboard on default port (3000)
npx claude-flow@alpha verify dashboard

# Custom port
npx claude-flow@alpha verify dashboard --port 8080

# Export dashboard data
npx claude-flow@alpha verify dashboard --export

# Dashboard with auto-refresh
npx claude-flow@alpha verify dashboard --refresh 5s

Dashboard Features:

• Real-time truth score updates (WebSocket)
• Interactive charts and graphs
• Agent performance comparison
• Task history timeline
• Rollback history viewer
• Export to PDF/HTML
• Filter by time period/agent/score

Configuration

Default Configuration

Set verification preferences in

.claude-flow/config.json

:

{
  "verification": {
    "threshold": 0.95,
    "autoRollback": true,
    "gitIntegration": true,
    "hooks": {
      "preCommit": true,
      "preTask": true,
      "postEdit": true
    },
    "checks": {
      "codeCorrectness": true,
      "security": true,
      "performance": true,
      "documentation": true,
      "bestPractices": true
    }
  },
  "truth": {
    "defaultFormat": "table",
    "defaultPeriod": "24h",
    "warningThreshold": 0.85,
    "criticalThreshold": 0.75,
    "autoExport": {
      "enabled": true,
      "path": ".claude-flow/metrics/truth-daily.json"
    }
  }
}

Threshold Configuration

Adjust verification strictness:

# Strict mode (99% accuracy required)
npx claude-flow@alpha verify check --threshold 0.99

# Lenient mode (90% acceptable)
npx claude-flow@alpha verify check --threshold 0.90

# Set default threshold
npx claude-flow@alpha config set verification.threshold 0.98

Per-environment thresholds:

{
  "verification": {
    "thresholds": {
      "production": 0.99,
      "staging": 0.95,
      "development": 0.90
    }
  }
}

Integration Examples

CI/CD Integration

GitHub Actions:

name: Quality Verification

on: [push, pull_request]

jobs:
  verify:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Install Dependencies
        run: npm install

      - name: Run Verification
        run: |
          npx claude-flow@alpha verify check --json > verification.json

      - name: Check Truth Score
        run: |
          score=$(jq '.overallScore' verification.json)
          if (( $(echo "$score < 0.95" | bc -l) )); then
            echo "Truth score too low: $score"
            exit 1
          fi

      - name: Upload Report
        uses: actions/upload-artifact@v3
        with:
          name: verification-report
          path: verification.json

GitLab CI:

verify:
  stage: test
  script:
    - npx claude-flow@alpha verify check --threshold 0.95 --json > verification.json
    - |
      score=$(jq '.overallScore' verification.json)
      if [ $(echo "$score < 0.95" | bc) -eq 1 ]; then
        echo "Verification failed with score: $score"
        exit 1
      fi
  artifacts:
    paths:
      - verification.json
    reports:
      junit: verification.json

Swarm Integration

Run verification automatically during swarm operations:

# Swarm with verification enabled
npx claude-flow@alpha swarm --verify --threshold 0.98

# Hive Mind with auto-rollback
npx claude-flow@alpha hive-mind --verify --rollback-on-fail

# Training pipeline with verification
npx claude-flow@alpha train --verify --threshold 0.99

Pair Programming Integration

Enable real-time verification during collaborative development:

# Pair with verification
npx claude-flow@alpha pair --verify --real-time

# Pair with custom threshold
npx claude-flow@alpha pair --verify --threshold 0.97 --auto-fix

Advanced Workflows

Continuous Verification

Monitor codebase continuously during development:

# Watch directory for changes
npx claude-flow@alpha verify watch --directory src/

# Watch with auto-fix
npx claude-flow@alpha verify watch --directory src/ --auto-fix

# Watch with notifications
npx claude-flow@alpha verify watch --notify --threshold 0.95

Monitoring Integration

Send metrics to external monitoring systems:

# Export to Prometheus
npx claude-flow@alpha truth --format json | \
  curl -X POST https://pushgateway.example.com/metrics/job/claude-flow \
  -d @-

# Send to DataDog
npx claude-flow@alpha verify report --format json | \
  curl -X POST "https://api.datadoghq.com/api/v1/series?api_key=${DD_API_KEY}" \
  -H "Content-Type: application/json" \
  -d @-

# Custom webhook
npx claude-flow@alpha truth --format json | \
  curl -X POST https://metrics.example.com/api/truth \
  -H "Content-Type: application/json" \
  -d @-

Pre-commit Hooks

Automatically verify before commits:

# Install pre-commit hook
npx claude-flow@alpha verify install-hook --pre-commit

# .git/hooks/pre-commit example:
#!/bin/bash
npx claude-flow@alpha verify check --threshold 0.95 --json > /tmp/verify.json

score=$(jq '.overallScore' /tmp/verify.json)
if (( $(echo "$score < 0.95" | bc -l) )); then
  echo "❌ Verification failed with score: $score"
  echo "Run 'npx claude-flow@alpha verify check --verbose' for details"
  exit 1
fi

echo "✅ Verification passed with score: $score"

Performance Metrics

Verification Speed:

• Single file check: <100ms
• Directory scan: <500ms (per 100 files)
• Full codebase analysis: <5s (typical project)
• Truth score calculation: <50ms

Rollback Speed:

• Git-based rollback: <1s
• Selective file rollback: <500ms
• Backup creation: <2s

Dashboard Performance:

• Initial load: <1s
• Real-time updates: <100ms latency (WebSocket)
• Chart rendering: 60 FPS

Troubleshooting

Common Issues

Low Truth Scores:

# Get detailed breakdown
npx claude-flow@alpha truth --verbose --threshold 0.0

# Check specific criteria
npx claude-flow@alpha verify check --verbose

# View agent-specific issues
npx claude-flow@alpha truth --agent <agent-name> --format json

Rollback Failures:

# Check git status
git status

# View rollback history
npx claude-flow@alpha verify rollback --history

# Manual rollback
git reset --hard HEAD~1

Verification Timeouts:

# Increase timeout
npx claude-flow@alpha verify check --timeout 60s

# Verify in batches
npx claude-flow@alpha verify batch --batch-size 10

Exit Codes

Verification commands return standard exit codes:

• 0

  : Verification passed (score ≥ threshold)

• 1

  : Verification failed (score < threshold)

• 2

  : Error during verification (invalid input, system error)

Related Commands

• npx claude-flow@alpha pair

  - Collaborative development with verification

• npx claude-flow@alpha train

  - Training with verification feedback

• npx claude-flow@alpha swarm

  - Multi-agent coordination with quality checks

• npx claude-flow@alpha report

  - Generate comprehensive project reports

Best Practices

1. Set Appropriate Thresholds: Use 0.99 for critical code, 0.95 for standard, 0.90 for experimental
2. Enable Auto-rollback: Prevent bad code from persisting
3. Monitor Trends: Track improvement over time, not just current scores
4. Integrate with CI/CD: Make verification part of your pipeline
5. Use Watch Mode: Get immediate feedback during development
6. Export Metrics: Track quality metrics in your monitoring system
7. Review Rollbacks: Understand why changes were rejected
8. Train Agents: Use verification feedback to improve agent performance

Skill Composition

• Before verification → Run

  /qe-test-generation

  and

  /qe-coverage-analysis

  first
• If verification fails → Use

  /test-failure-investigator

  for root cause analysis
• Ship decision → Feed into

  /qe-quality-assessment

  for final assessment

Gotchas

• Verification is the HIGHEST-VALUE skill category (Anthropic: "worth having an engineer spend a week making verification skills excellent")
• "Success is silent, only failures are verbose" — swallow passing test output, surface only errors to avoid context window flooding
• Agent completion claims are unreliable — always include programmatic assertions on state, not just "looks right"
• Have Claude record a video of its output so you can see exactly what it tested (Playwright trace, screenshot evidence)
• Hardcoded values are the #1 completion theater pattern — grep for literals that should be dynamic

Additional Resources

• Truth Scoring Algorithm: See

  /docs/truth-scoring.md

• Verification Criteria: See

  /docs/verification-criteria.md

• Integration Examples: See

  /examples/verification/

• API Reference: See

  /docs/api/verification.md