Testing & QA

Verify a whole app flow end to end from browser to API and data response

Debug game automation runs that fail, get stuck or act oddly before fixing

Decide where to fix a known bug, how deep to dig and whether to patch or fix for good

Find the root cause of an error or regression before proposing any fix

Debug web pages, profile performance and read console errors with Chrome DevTools

Write and run Playwright browser tests, screenshots and form automation

Grade how completely an implementation fulfills a PRD case by case

Audit performance, accessibility, SEO and best practices across a website in one pass

Verify claims about your work with concrete evidence and explain the result simply

Capture reliable full-page screenshots of lazy-loaded and animated web pages

Test a playable browser game end to end with fixtures and real browser evidence

Write and run fast direct-mode tests for GenLayer intelligent contracts

Write and run integration tests against a live GenLayer environment

Write fast, focused Android unit tests for use cases and repositories

Write Playwright or Cypress end-to-end tests for Clerk sign-in flows

Write MSTest 3 and 4 unit tests with modern assertions and data-driven cases

Write NUnit unit tests in C# with data-driven cases and clear structure

Write TUnit unit tests in C# covering data-driven and parameterized cases

Write xUnit tests in C# with data-driven cases and clean fixtures

Write Flutter unit, widget and integration tests with mocks and golden checks

Write Go table-driven tests, subtests, benchmarks, fuzz tests and coverage

Pick the first failing spec for a Rails change to start a TDD cycle

Write reliable Playwright tests with page objects, mocks, auth and CI setup

Write Swift Testing suites with #expect, traits, parameterized and parallel tests

Write RSpec tests for Ruby service objects through their public call method

Find a Ruby or Rails bug, write a failing test and plan a minimal fix

Add logging calls and read local log files to debug problems in depth

Write pytest tests that follow the conventions used in this workspace

Run coverage-guided fuzzing with AFL++, libFuzzer and crash minimization

Check finished work against acceptance criteria with mechanical and semantic reviews

Give a general QA verdict on any artifact against its acceptance criteria

Break out of repeated failed fixes and stuck decisions with multiple expert viewpoints

Run the test suite of the current repo, auto-detecting pytest, vitest or cargo

Diagnose runtime and application failures from errors, logs and behavior

Generate tests for specified code, including edge cases

Trace a bug to its root cause systematically before any fix is written

Run tiered, diff-aware QA on a web app with a fix and verify loop

Score an app clone's feature parity against the original and diff layouts

Test an app clone's every flow with Playwright tests, edge cases and bug reports

Run typecheck, build, lint and targeted tests after edits, then fix until clean

Write Vitest unit tests with mocks, coverage and Jest-compatible APIs

Score a UI for accessibility, performance and responsive issues with P0 to P3 ratings

Trace errors and failing behavior to a root cause before proposing any fix

Run build, type check, lint, tests and security scans before opening a pull request

Audit tests for weak, trivial or always-true assertions in many frameworks

Write, repair and strengthen tests for existing code across major frameworks

Legacy alias that forwards test-writing requests to the code-testing skill

Index of language-specific reference files for the code-testing pipeline

Interpret .NET coverage reports with line, branch and condition metrics