# Skills for Testing and QA Skills for Testing and QA: what each one does, an install command and example prompts. 1844 cards · page 11 of 47 - HTML: https://affpapa.org/en/nevibecode/skills/topic/testing?page=11 - Instructions for agents: https://affpapa.org/en/nevibecode/agents.md - [constant-time-testing](https://affpapa.org/en/nevibecode/skills/constant-time-testing.md) — skill · trailofbits · Claude Code, Codex, Cursor +3 · 5200 installs — This skill helps test whether a cryptographic implementation’s runtime varies with secret data. - [libfuzzer](https://affpapa.org/en/nevibecode/skills/libfuzzer.md) — skill · trailofbits · Claude Code, Codex, Cursor +3 · 5200 installs — A skill that walks the agent through libFuzzer: the harness, the -fsanitize=fuzzer build, corpus handling, campaign triage. - [testing-handbook-generator](https://affpapa.org/en/nevibecode/skills/testing-handbook-generator.md) — skill · trailofbits · Claude Code, Codex, Cursor +3 · 5200 installs — Turns Trail of Bits Testing Handbook pages into Claude skills, picking a template per section type and writing the SKILL.md files for you. - [burpsuite-project-parser](https://affpapa.org/en/nevibecode/skills/burpsuite-project-parser.md) — skill · trailofbits · Claude Code, Codex, Cursor +3 · 5100 installs — Explores and queries Burp Suite project files from the command line. - [ruzzy](https://affpapa.org/en/nevibecode/skills/ruzzy.md) — skill · trailofbits · Claude Code, Codex, Cursor +3 · 5100 installs — This skill installs and runs Ruzzy, a coverage-guided Ruby fuzzer built on libFuzzer. - [wycheproof](https://affpapa.org/en/nevibecode/skills/wycheproof.md) — skill · trailofbits · Claude Code, Codex, Cursor +3 · 5200 installs — Validates cryptographic implementations using Project Wycheproof test vectors. - [dart-add-unit-test](https://affpapa.org/en/nevibecode/skills/dart-add-unit-test.md) — skill · dart-lang · Claude Code, Codex, Cursor +3 · 19200 installs — Writes Dart and Flutter unit tests with package:test: files under test/, mockito mocks when dependencies get in the way, and a rerun loop until the suite is green. - [review-and-ship](https://affpapa.org/en/nevibecode/skills/review-and-ship.md) — skill · cursor · Claude Code, Codex, Cursor +3 · 2500 installs — This skill automates code review before shipping: checks for bugs, tests, and intent fit, then commits and opens a PR. - [dart-fix-runtime-errors](https://affpapa.org/en/nevibecode/skills/dart-fix-runtime-errors.md) — skill · dart-lang · Claude Code, Codex, Cursor +3 · 18700 installs — Skill automatically catches Dart runtime errors, locates the failing line via LSP and stack trace, applies a fix, and verifies the result through hot reload. - [prek](https://affpapa.org/en/nevibecode/skills/prek.md) — skill · j178 · Claude Code, Codex, Cursor +3 · 729 installs — Guides agents in configuring and running Git hooks with prek, a Rust alternative to pre-commit. - [testing-setup](https://affpapa.org/en/nevibecode/skills/testing-setup.md) — skill · Google LLC · Claude Code, Codex, Cursor +3 · 2500 installs — Analyzes your Android app's testing strategy and installs libraries, infrastructure, and frameworks for unit tests, UI tests, screenshot tests, and end-to-end tests. - [write-e2e-tests](https://affpapa.org/en/nevibecode/skills/write-e2e-tests.md) — skill · tldraw · Claude Code, Codex, Cursor +3 · 430 installs — Guides Playwright E2E testing for tldraw, including UI actions, menus, and canvas shapes. - [dart-collect-coverage](https://affpapa.org/en/nevibecode/skills/dart-collect-coverage.md) — skill · dart-lang · Claude Code, Codex, Cursor +3 · 18400 installs — Collects Dart and Flutter test coverage metrics with the coverage package and generates LCOV reports. - [phoenix-evals](https://affpapa.org/en/nevibecode/skills/phoenix-evals.md) — skill (official GitHub) · oss@arize.com · GitHub Copilot · 1000 installs — Build and run evaluators for AI and LLM applications with Phoenix. - [phoenix-cli](https://affpapa.org/en/nevibecode/skills/phoenix-cli.md) — skill (official GitHub) · arize-ai · GitHub Copilot · 1000 installs — A GitHub Copilot skill that drives the Phoenix CLI to pull traces, spans and sessions, then turns what it finds into a failure taxonomy for your LLM app. - [dart-generate-test-mocks](https://affpapa.org/en/nevibecode/skills/dart-generate-test-mocks.md) — skill · dart-lang · Claude Code, Codex, Cursor +3 · 18300 installs — A Dart testing skill: the agent injects external services through constructors, generates mock classes with mockito and build_runner, then writes the unit test. - [quantized-export](https://affpapa.org/en/nevibecode/skills/quantized-export.md) — skill · Seth Hobson · Claude Code, Codex, Cursor · 2600 installs — Exports promoted checkpoints and LoRA adapters as FP8, AWQ, GGUF, or merged safetensors. - [eval-harness-first](https://affpapa.org/en/nevibecode/skills/eval-harness-first.md) — skill · Seth Hobson · Claude Code, Codex, Cursor · 2600 installs — Builds the evaluation harness before fine-tuning with goldens, graders, judge calibration, and a base-model baseline. - [checkpoint-promotion](https://affpapa.org/en/nevibecode/skills/checkpoint-promotion.md) — skill · Seth Hobson · Claude Code, Codex, Cursor · 2600 installs — Gates a trained checkpoint before release by checking data quality, capability drift, forgetting, and paired results against the base model. - [control-ui](https://affpapa.org/en/nevibecode/skills/control-ui.md) — skill · cursor · Claude Code, Codex, Cursor +3 · 2400 installs — Inspects and tests local web, IDE, or Electron interfaces via browser automation and CDP. - [fix-ci](https://affpapa.org/en/nevibecode/skills/fix-ci.md) — skill · cursor · Claude Code, Codex, Cursor +3 · 2400 installs — This skill finds failed PR checks, examines logs, and guides small fixes. - [verify-this](https://affpapa.org/en/nevibecode/skills/verify-this.md) — skill · cursor · Claude Code, Codex, Cursor +3 · 2400 installs — The skill tests a specific claim against fresh local evidence: it captures before and after measurements, compares artifacts, and returns one verdict. - [control-cli](https://affpapa.org/en/nevibecode/skills/control-cli.md) — skill · cursor · Claude Code, Codex, Cursor +3 · 2400 installs — Builds a local harness to drive, test, and profile interactive CLI or TUI tools. - [dart-migrate-to-checks-package](https://affpapa.org/en/nevibecode/skills/dart-migrate-to-checks-package.md) — skill · dart-lang · Claude Code, Codex, Cursor +3 · 18100 installs — Migrates Dart test suites from legacy package:matcher to package:checks. - [validate-skills](https://affpapa.org/en/nevibecode/skills/validate-skills.md) — skill · Callstack · Claude Code, Codex, Cursor +3 · 7300 installs — Checks skills in skills/ against the agentskills.io specification and Claude Code practices. - [trace](https://affpapa.org/en/nevibecode/skills/trace.md) — skill · Yeachan-Heo · Claude Code, Codex, Cursor +3 · 795 installs — A skill for investigating ambiguous problems: bugs, regressions, latency spikes. - [pptx-quality-gates](https://affpapa.org/en/nevibecode/skills/pptx-quality-gates.md) — skill · kimtth · Claude Code, Codex, Cursor · 2500 installs — Checks and repairs editable PPTX decks for geometry, accessibility, native objects, source lineage, and OOXML package integrity before delivery. - [check-compiler-errors](https://affpapa.org/en/nevibecode/skills/check-compiler-errors.md) — skill · cursor · Claude Code, Codex, Cursor +3 · 2300 installs — This skill runs your project's compile and type-check commands, groups errors by file and category, then fixes the highest-confidence issues automatically. - [python-pypi-package-builder](https://affpapa.org/en/nevibecode/skills/python-pypi-package-builder.md) — skill (official GitHub) · github · GitHub Copilot · 943 installs — This skill guides Python package creation, testing, versioning, and PyPI publishing. - [migrate-xml-views-to-jetpack-compose](https://affpapa.org/en/nevibecode/skills/migrate-xml-views-to-jetpack-compose.md) — skill · Google LLC · Claude Code, Codex, Cursor +3 · 2400 installs — Guides the migration of one Android XML screen to Jetpack Compose, from project review through validation and legacy XML cleanup. - [wordpress-penetration-testing](https://affpapa.org/en/nevibecode/skills/wordpress-penetration-testing.md) — skill · zebbern · Claude Code, Codex, Cursor +3 · 1100 installs — This skill audits WordPress installations for common vulnerabilities and REST API permission issues in plugins. - [self-improve](https://affpapa.org/en/nevibecode/skills/self-improve.md) — skill · Yeachan-Heo · Claude Code, Codex, Cursor +3 · 741 installs — Runs an autonomous code-improvement loop that researches a repository, reviews plans, and compares benchmark results. - [salesforce-apex-quality](https://affpapa.org/en/nevibecode/skills/salesforce-apex-quality.md) — skill (official GitHub) · github · GitHub Copilot · 884 installs — Checks Apex for governor-limit risks, security gaps, and missing tests. - [node](https://affpapa.org/en/nevibecode/skills/node.md) — skill · mcollina · Claude Code, Codex, Cursor +3 · 5900 installs — Gives an agent Node.js and TypeScript guidance, from running .ts files directly to streams, tests and graceful shutdown. - [run-smoke-tests](https://affpapa.org/en/nevibecode/skills/run-smoke-tests.md) — skill · cursor · Claude Code, Codex, Cursor +3 · 2100 installs — This skill runs Playwright smoke tests, digs into failures and confirms a fix holds. - [ce-polish](https://affpapa.org/en/nevibecode/skills/ce-polish.md) — skill · EveryInc · Claude Code, Codex, Cursor +3 · 1100 installs — Refines a working feature through browser feedback: you point out what needs work, the skill edits the code, hot reload shows the result. - [mutation-testing](https://affpapa.org/en/nevibecode/skills/mutation-testing.md) — skill · trailofbits · Claude Code, Codex, Cursor +3 · 4200 installs — A skill that walks the agent through mutation testing: setting up a mewt or muton campaign, reading surviving mutants, hunting bugs in untested code. - [user-story](https://affpapa.org/en/nevibecode/skills/user-story.md) — skill · deanpeters · Claude Code, Codex, Cursor +3 · 4100 installs — Turns product requirements into Mike Cohn user stories paired with Gherkin acceptance criteria. - [salesforce-flow-design](https://affpapa.org/en/nevibecode/skills/salesforce-flow-design.md) — skill (official GitHub) · github · GitHub Copilot · 839 installs — Reviews Salesforce Flow architecture, type selection, bulk safety, and fault handling. - [test-gaps](https://affpapa.org/en/nevibecode/skills/test-gaps.md) — skill · ruvnet · Claude Code, Codex, Cursor +3 · 753 installs — Detects missing test coverage and suggests tests to write. Next: https://affpapa.org/en/nevibecode/skills/topic/testing.md?page=12 ## Refine [qa](https://affpapa.org/en/nevibecode/tag/qa.md) · [debugging](https://affpapa.org/en/nevibecode/tag/debugging.md) · [python](https://affpapa.org/en/nevibecode/tag/python.md) · [typescript](https://affpapa.org/en/nevibecode/tag/typescript.md) · [ci-cd](https://affpapa.org/en/nevibecode/tag/ci-cd.md) · [accessibility](https://affpapa.org/en/nevibecode/tag/accessibility.md) · [e2e](https://affpapa.org/en/nevibecode/tag/e2e.md) · [tdd](https://affpapa.org/en/nevibecode/tag/tdd.md) · [ios](https://affpapa.org/en/nevibecode/tag/ios.md) · [dotnet](https://affpapa.org/en/nevibecode/tag/dotnet.md) · [java](https://affpapa.org/en/nevibecode/tag/java.md) · [cli](https://affpapa.org/en/nevibecode/tag/cli.md) ## Narrow this list Parameters: `?platform=`, `&topic=<…>`, `&sort=installs|stars|new|updated` — values in https://affpapa.org/en/nevibecode/agents.md --- NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md