enuno/claude-command-and-control/validator-role-skill

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Professional software QA and code review skill for ensuring code quality, comprehensive test coverage, standards compliance, and security through rigorous testing and validation workflows.

Install

npx vskill@latest install enuno/claude-command-and-control/validator-role-skill

SKILL.md

Validator Role Skill

Description

Ensure code quality, comprehensive test coverage, standards compliance, and security through rigorous testing and review workflows. This skill implements professional QA practices including test creation, test execution, code review, coverage analysis, security assessment, and performance validation.

When to Use This Skill

  • Validating pull requests before merge
  • Creating comprehensive test suites (TDD support)
  • Performing security assessments
  • Analyzing test coverage and quality
  • Executing regression testing after changes
  • Reviewing code for quality and standards compliance
  • Performance validation and benchmarking

When NOT to Use This Skill

  • For production code implementation (use builder-role-skill)
  • For infrastructure deployment (use devops-role-skill)
  • For system design decisions (use architect-role-skill)
  • For documentation generation (use scribe-role-skill)

Prerequisites

  • Test framework configured (Jest, pytest, JUnit, etc.)
  • Linting tools installed (ESLint, flake8, Clippy, etc.)
  • Security scanning tools available (npm audit, safety, snyk)
  • Coverage tools configured
  • Git repository with pull request workflow

Workflow

Phase 1: Pre-Implementation Test Creation (TDD Support)

Support test-driven development by creating tests before implementation.

Step 1.1: Review Feature Specification

Load context files:
- DEVELOPMENT_PLAN.md (overall plan)
- ARCHITECTURE.md (design specs)
- IMPLEMENTATION_PLAN.md (implementation details)

Step 1.2: Create Test Specification

Generate TEST_PLAN.md with comprehensive test strategy:

markdown
# Test Plan: [Feature Name]
## Test Strategy
-Unit Test Coverage Target: 95%
-Integration Test Coverage: All public APIs
-E2E Test Coverage: Critical user paths
-Performance Benchmarks: [Specific targets]
## Test Categories
### Unit Tests
**Component**: [Name]
-Test 1: [Scenario] - Expected: [Result]
-Test 2: [Scenario] - Expected: [Result]
-Test 3: [Edge case] - Expected: [Error handling]
### Integration Tests
**Integration Point**: [Name]
-Test 1: [Interaction scenario]
-Test 2: [Data flow validation]
-Test 3: [Error propagation]
### End-to-End Tests
**User Journey**: [Name]
-Test 1: [Happy path]
-Test 2: [Alternate path]
-Test 3: [Error scenarios]
## Test Data Requirements
[Fixtures, mocks, test databases needed]
## Performance Criteria
-Response time: < [X]ms
-Throughput: > [Y] requests/sec
-Memory usage: < [Z]MB
## Security Test Cases
-[ ] Input validation
-[ ] SQL injection protection
-[ ] XSS prevention
-[ ] Authentication bypass attempts
-[ ] Authorization boundary tests

Step 1.3: Write Failing Tests First

javascript
// Example: Jest/JavaScript
describe('UserService', () => {
describe('createUser', () => {
it('should create user with valid data', async () => {
// Arrange
const userData = {
email: 'test@example.com',
password: 'SecurePass123!'
};
// Act
const result = await userService.createUser(userData);
// Assert
expect(result).toHaveProperty('id');
expect(result.email).toBe(userData.email);
expect(result.password).not.toBe(userData.password); // hashed
});
it('should reject invalid email format', async () => {
// Arrange
const userData = {
email: 'invalid-email',
password: 'SecurePass123!'
};
// Act & Assert
await expect(userService.createUser(userData))
.rejects.toThrow('Invalid email format');
});
it('should reject weak password', async () => {
// Arrange
const userData = {
email: 'test@example.com',
password: '123'
};
// Act & Assert
await expect(userService.createUser(userData))
.rejects.toThrow('Password does not meet security requirements');
});
});
});

Step 1.4: Handoff to Builder

markdown
---
TO: Builder (or use builder-role-skill)
FEATURE: [Feature Name]
TEST_SPEC: TEST_PLAN.md
TESTS_WRITTEN: [List of test files]
STATUS: Failing (as expected - TDD)
IMPLEMENTATION_REQUIRED:
Builder should implement code to make these tests pass.
VALIDATION_CRITERIA:
-All unit tests passing
-Coverage >= 95%
-No security warnings
---

Phase 2: Post-Implementation Validation

Validate code after implementation is complete.

Step 2.1: Receive Implementation Handoff

Load context files:
- IMPLEMENTATION_PLAN.md (what was built)
- PR description (change summary)
- Modified files list (scope of changes)

Step 2.2: Execute Comprehensive Test Suite

bash
# Run all tests
npm test || pytest || mvn test || cargo test
# Generate coverage report
npm run coverage || pytest --cov --cov-report=html || mvn jacoco:report
# Run linter
npm run lint || flake8 || mvn checkstyle:check || cargo clippy
# Run security scan
npm audit || safety check || mvn dependency-check:check || cargo audit

Step 2.3: Analyze Results

Create VALIDATION_REPORT.md:

markdown
# Validation Report: [Feature/PR Name]
## Test Execution Results
-Total Tests: [N]
-Passing: [N]
-Failing: [N]
-Skipped: [N]
-Duration: [X]s
## Coverage Analysis
-Overall Coverage: [X]%
-Line Coverage: [X]%
-Branch Coverage: [X]%
-Function Coverage: [X]%
**Coverage by Component**:
| Component | Coverage | Status |
|-----------|----------|--------|
| [Name] | [X]% | ✅ / ⚠️ / ❌ |
**Uncovered Areas**:
-File: [name], Lines: [X-Y] - Reason: [Why not covered]
## Code Quality
-Linting Issues: [N]
-Code Smells: [N]
-Complexity Warnings: [N]
-Duplication: [X]%
## Security Assessment
-Vulnerabilities Found: [N]
-Severity: [Critical/High/Medium/Low]
-Affected Packages: [List]
## Performance Validation
-Response Time: [X]ms (Target: <[Y]ms) ✅ / ❌
-Memory Usage: [X]MB (Target: <[Y]MB) ✅ / ❌
-Throughput: [X] req/s (Target: >[Y]) ✅ / ❌
## Overall Assessment
**Status**: ✅ APPROVED / ⚠️ APPROVED WITH CONCERNS / ❌ REJECTED
**Justification**:
[Detailed reasoning for decision]

Step 2.4: Code Review

Add inline review comments to PR:

markdown
## Code Review Comments
### Critical Issues (Must Fix)
1.**File: [name], Line: [X]**
-Issue: [Description]
-Impact: [Security/Functionality/Performance]
-Recommendation: [How to fix]
### Suggestions (Should Consider)
1.**File: [name], Line: [X]**
-Observation: [What could be improved]
-Recommendation: [Alternative approach]
-Benefit: [Why it's better]
### Positive Highlights
1.**File: [name]**
-Excellent: [What was done well]
### Questions
1.**File: [name], Line: [X]**
-Question: [What's unclear]
-Context: [Why asking]

Step 2.5: Decision and Handoff

If APPROVED:

bash
# Add approval comment to PR
gh pr review [PR-number] --approve --body "$(cat VALIDATION_REPORT.md)"
# Update status
echo "✅ Validation complete - APPROVED" >> MULTI_AGENT_PLAN.md

If REJECTED:

bash
# Request changes
gh pr review [PR-number] --request-changes --body "$(cat VALIDATION_REPORT.md)"

Handoff back to Builder:

markdown
---
TO: Builder (or use builder-role-skill)
PR: #[number]
STATUS: Changes Requested
VALIDATION_REPORT: VALIDATION_REPORT.md
PRIORITY_FIXES: [List critical issues]
REVALIDATION_REQUIRED: After fixes applied
---

Phase 3: Regression Testing

Validate that changes don't break existing functionality.

Step 3.1: Identify Affected Areas

bash
# Find changed files
git diff --name-only main..HEAD
# Find tests related to changed files
grep -r "import.*[changed-file]" test/

Step 3.2: Execute Regression Suite

bash
# Run full test suite
npm test
# Run affected component tests specifically
npm test -- --testPathPattern=[component]
# Compare with baseline performance
npm run benchmark

Step 3.3: Document Regression Results

markdown
# Regression Test Report: [Date]
## Changes Analyzed
-[File 1]: [Type of change]
-[File 2]: [Type of change]
## Tests Executed
-Total regression tests: [N]
-New failures: [N]
-Fixed issues: [N]
## Regression Detected
**None** / **Issues Found**:
1.**Test**: [Name]
-Previous: PASS
-Current: FAIL
-Root Cause: [Analysis]
-Action: [Revert / Fix / Accept]
## Recommendation
✅ Safe to proceed / ❌ Revert changes / ⚠️ Proceed with caution

Phase 4: Security-Focused Validation

Perform comprehensive security assessment.

Step 4.1: Security Checklist Review

markdown
# Security Validation Checklist: [Feature]
## Input Validation
-[ ] All user inputs validated
-[ ] Type checking implemented
-[ ] Length/size limits enforced
-[ ] Special characters sanitized
-[ ] SQL injection protected
-[ ] XSS prevention in place
## Authentication & Authorization
-[ ] Authentication required on protected routes
-[ ] Authorization verified for each action
-[ ] Session management secure
-[ ] Token expiration handled
-[ ] Password storage uses strong hashing
## Data Protection
-[ ] Sensitive data encrypted at rest
-[ ] TLS/HTTPS for data in transit
-[ ] No secrets in code or logs
-[ ] PII handling compliant
-[ ] Data access properly logged
## API Security
-[ ] Rate limiting implemented
-[ ] CORS configured correctly
-[ ] API keys secured
-[ ] Error messages don't leak info
-[ ] No verbose errors in production
## Dependencies
-[ ] No known vulnerable packages
-[ ] Dependencies up to date
-[ ] License compliance verified

Step 4.2: Penetration Testing

bash
# Run security scanner
npm audit --audit-level=moderate
safety check
snyk test
# SQL injection test cases
npm test -- --testNamePattern="SQL injection"
# XSS test cases
npm test -- --testNamePattern="XSS"

Step 4.3: Security Report

markdown
# Security Assessment: [Feature]
## Vulnerabilities Found: [N]
### Critical
-None / [List with CVE numbers]
### High
-None / [List with CVE numbers]
### Medium
-None / [List with CVE numbers]
### Low
-None / [List with CVE numbers]
## Remediation Plan
| Vulnerability | Severity | Fix | Timeline |
|---------------|----------|-----|----------|
| [Name] | [Level] | [Action] | [Date] |
## Security Test Coverage
-Input validation tests: [N] scenarios
-Authentication tests: [N] scenarios
-Authorization tests: [N] scenarios
-Encryption validation: [N] scenarios
## Sign-off
**Security Approved**: ✅ YES / ❌ NO / ⚠️ CONDITIONAL
**Conditions**:
[Any requirements for approval]

Test Quality Standards

Every Test Must Have
  • Descriptive name: Clearly states what is being tested
  • Arrange-Act-Assert structure: Organized setup, execution, verification
  • Single responsibility: Tests one thing
  • Deterministic: Same input always produces same output
  • Independent: Can run in any order
  • Fast: Executes quickly
Test Coverage Requirements
  • Critical Paths: 100% coverage
  • Business Logic: 95% coverage minimum
  • Utility Functions: 90% coverage minimum
  • Integration Points: All scenarios tested
  • Error Handling: All error paths tested
Test Documentation
javascript
/**
* Test Suite: UserAuthentication
* Purpose: Validates user authentication workflows including login,
* logout, token refresh, and session management.
* Dependencies: Database test fixtures, mock email service
* Cleanup: Resets database after each test
*/
describe('UserAuthentication', () => {
// Tests...
});

Code Review Standards

Review Focus Areas

1. Correctness

  • Does the code do what it's supposed to?
  • Are edge cases handled?
  • Is error handling appropriate?

2. Security

  • Any injection vulnerabilities?
  • Proper authentication/authorization?
  • Sensitive data protected?

3. Performance

  • Any obvious bottlenecks?
  • Appropriate data structures?
  • Unnecessary loops or queries?

This is the start of the file. Read the full SKILL.md on GitHub.

Security

  • Security scanPassed, 93 of 100Pattern checks on the skill's files.
  • Model reviewPassed

Quality evaluation

  • Task evaluationNot runNo evaluation yet. Run one in Skill Studio.

Source

Popularity

Repository stars
12
Repository forks
3
7-day trend score
13

Stars and forks are for the whole GitHub repository, not this skill alone. Refreshed 12 May 2026, 5 months ago.

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