Best agent skills for software testing

Audit REA CI and test suites for correctness, fixture drift, false passes, and measured performance; use for suite or workflow investigations and efficiency…

• Largest repository here (377,435 stars)
• Active in the last 30 days
• Open source (MIT)

★ 377.4KLast active Oct 18, 2026Claude Code, Claude apps, Codex, Cursor +6

Use when writing, changing, or reviewing Cucumber and Playwright tests under `e2e/`, including feature files, step definitions, support code, scenario tags…

• Repository has 159.4K stars
• Active in the last 30 days

★ 159.4KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

Use when writing or changing Vitest or React Testing Library tests under `web/` or `packages/dify-ui/`, or when the user explicitly requests frontend test…

• Repository has 159.4K stars
• Active in the last 30 days

★ 159.4KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

Use when adding or updating Go CLI E2E coverage for one `tests/cli_e2e/{domain}` domain of the compiled `lark-cli`, especially when the work requires live…

• Repository has 17.8K stars
• Active in the last 30 days
• Open source (MIT)

★ 17.8KLast active Oct 13, 2026Claude Code, Claude apps, Codex, Cursor +6

Use when implementing new features or fixing bugs to enforce test-driven development.

• Repository has 15.6K stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 15.6KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

Use when validating UI changes in a branch require Playwright E2E testing.

• Repository has 15.6K stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 15.6KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

0day自主发现引擎:变体分析/补丁间隙/差分/Fuzzing/污点推理/N-day武器化/猎人思维。Use when public vulns not found and need to discover 0day or weaponize N-day.

• Repository has 8K stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 8KLast active Oct 16, 2026Claude Code, Claude apps, Codex, Cursor +6

Adversarial dynamic e2e QA workflow - generate hostile scenarios, test, verify, fix, report, and clean up

• Repository has 33.6K stars
• Active in the last 30 days
• Open source (MIT)

★ 33.6KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

测试驱动开发。适用于用户想用先写测试的方式构建功能或修复缺陷、提到 “red-green-refactor”，或需要集成测试时。

• Repository has 5.2K stars
• Active in the last 30 days
• Open source (MIT)

★ 5.2KLast active Oct 8, 2026Claude Code, Claude apps, Codex, Cursor +6

Run the maintained workflow data-to-policy pipeline from recording through checkpoint validation.

• Repository has 3.7K stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 3.7KLast active Sep 30, 2026Claude Code, Claude apps, Codex, Cursor +6

Run Rust fmt, clippy, and unit tests.

• Repository has 7.1K stars
• Active in the last 30 days
• Open source (Apache-2.0)

★ 7.1KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

Run a nub Rust build, clippy gate, test suite, or ad-hoc fixture script on an ephemeral Google Cloud spot VM instead of the dev Mac.

• Repository has 4.4K stars
• Active in the last 30 days
• Open source (MIT)

★ 4.4KLast active Oct 19, 2026Claude Code, Claude apps, Codex, Cursor +6

Add end-to-end and API tests for features that already work, following the project's existing test harness.

• Repository has 54.5K stars
• Active in the last 30 days

★ 54.5KLast active Oct 17, 2026Claude Code, Claude apps, Codex, Cursor +6

Test quality review drawing on twelve classic engineering books — with primary focus on xUnit Test Patterns, The Art of Unit Testing, How Google Tests…

• Repository has 1.5K stars
• Active in the last 30 days
• Open source (MIT)

★ 1.5KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

Discovery-first workflow for writing a new Playwright e2e test from a user story, feature description or bug report.

• Repository has 1.1K stars
• Active in the last 30 days

★ 1.1KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6