Security & Testing Agent Skills for Codex CLI

Use when designing or auditing a TACAS (ETAPS) evaluation, covering shared verification benchmarks (SV-COMP-style task sets), fair…

Agent skill for tdd-london-swarm - invoke with $agent-tdd-london-swarm

Runs the full TDD workflow for a TypeScript/JavaScript feature — user journeys to test cases, unit tests (Jest/Vitest + Testing Library)…

Generate failing tests for the TDD red phase to define expected behavior and edge cases.

Use when working with tdd workflows tdd refactor

Use this skill when the user asks for a team-based, consensus, multi-reviewer, or red-team review of Shopware PHPUnit tests — trigger…

Manage temporary test files created for validation without polluting the repository.

Produce a hand-runnable human test checklist alongside automated tests.

Hunting skill for misc vulnerabilities. Built from 225 public bug bounty reports. Use when hunting misc on any target.

Choose test cases and assertions that can expose regressions rather than merely execute code.

Use this skill when writing new features, fixing bugs, or refactoring code.

Automated E2E testing with Playwright including the auto-fix loop — generate test cases from the UI, run them, fix failures and re-run…

Verify a change by actually RUNNING the real thing and observing it work — launch the app, drive the real UI, hit the live endpoint, watch…

Generate milestone test reports and build verification reports with pass rates.

The evidence standard for any QA work — visual, functional, regression, performance, accessibility, or mobile.

Invoke this skill when you need rules for writing tests.

Use when running tests, reporting failures, or diagnosing broken suites.

Audit test suite health — find flaky tests, slow tests, coverage gaps, and testing anti-patterns.

Exhaustively evaluates every test suite and case using source inspection, CI jobs, Git history, and machine-readable runtime evidence for…

Use when designing unit, integration, or characterization tests.

Use when writing ANY test, debugging flaky tests, making tests faster, or choosing Swift Testing vs XCTest.