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Claude skills and agent skills

Skills real projects publish on GitHub, most starred first. Each one says what it will make an agent do before you copy it.

Best matches · from page 20Worked for most · soon
pankaj-mahaurSkill

e2e-testing

pankaj-mahaur/Agent-Daemon/skills/e2e-testing/SKILL.md

Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.

05mo agoReads credentialsDiscuss
sbarbatSkill

pest-testing

sbarbat/tentaclesauth/.agents/skills/pest-testing/SKILL.md

Use this skill for Pest PHP testing in Laravel projects only. Trigger whenever any test is being written, edited, fixed, or refactored — including fixing tests that broke after a code change, adding assertions, converting PHPUnit to Pest, adding datasets, and TDD workflows. Always activate when the user asks how to write something in Pest, mentions test files or directories (tests/Feature, tests/Unit, tests/Browser), or needs browser testing, smoke testing multiple pages for JS errors, or architecture tests. Covers: test()/it()/expect() syntax, datasets, mocking, browser testing (visit/click/fill), smoke testing, arch(), Livewire component tests, RefreshDatabase, and all Pest 4 features. Do not use for factories, seeders, migrations, controllers, models, or non-test PHP code.

02mo agoDiscuss
vishipayyalloreSkill

e2e-testing

vishipayyallore/practical-ai-agents/.cursor/skills/e2e-testing/SKILL.md

Smoke verification for Practical AI Agents (environment, notebook JSON, optional manual notebook run). Use when smoke-testing the workspace end-to-end.

04mo agoDiscuss
dovoanhtruongSkill

abap-unit-testing

dovoanhtruong/abap-agent-claudecode-workspace/.claude/skills/abap-unit-testing/SKILL.md

Help with ABAP Unit testing — test classes/methods, CL_ABAP_UNIT_ASSERT assertions, test doubles/mocking, dependency injection, CDS/OSQL test environments, RAP BO test doubles, test seams/injection, fixtures, test isolation, TDD in ABAP. Use even for a single quick test ask — "write a unit test", "create test class", "mock a dependency", "test a CDS view", "test a RAP BO", "viết unit test", "tạo test class", "mock dependency", "test method này", "kiểm thử RAP BO".

314d agoDiscuss
flonatSkill

webapp-testing

flonat/flonat-research/skills/webapp-testing/SKILL.md

Exercise and verify a local web application through Playwright, including user flows and rendered behaviour. Use when testing a running local app rather than issuing an isolated browser command. For ad hoc automation, use $playwright-cli.

1448d agoDiscuss
manaflow-aiSkill

cmux-test-bisect

manaflow-ai/cmux/skills/cmux-test-bisect/SKILL.md

Find when and why tests broke on main: bisect a Swift package suite on CI across old commits, read the failure matrix, and decide per test whether the test went stale or the code regressed. Use when a suite is red on main, when PR CI only ran filtered tests and the full suite has drifted, or when asked which PR broke a test.

27k4d agoDiscuss
ElasticSkill

scout-api-testing

elastic/kibana/.agents/skills/scout-api-testing/SKILL.md

Use when creating, updating, debugging, or reviewing Scout API tests in Kibana (apiTest/apiClient/requestAuth/samlAuth/apiServices), including auth choices, response assertions, and API service patterns.

21k4mo agoDiscuss
opena2a-orgSkill

test

opena2a-org/hackmyagent/test/SKILL.md

test

4214d agoDiscuss
bartstcSkill

test-building-blocks

bartstc/vite-ts-react-template/.agents/skills/test-building-blocks/SKILL.md

Test building block catalog — typed patterns for Storybook play-function tests, Vitest hook tests, Vitest unit tests, MSW handlers, and test data fixtures. Read the relevant rule file before writing or modifying any test, handler, or fixture. Covers: deciding which kind of test to write, authoring a new test from scratch, adding MSW mocks or fixtures, and reviewing existing tests for conformance.

1212mo agoDiscuss
cwinvestmentsSkill

memstack-development-test-writer

cwinvestments/memstack/skills/development/test-writer/SKILL.md

Use this skill when the user says 'write tests', 'add tests', 'test coverage', 'unit tests', 'integration tests', 'component tests', 'mocking', 'edge cases', or needs to generate tests with proper mocking and edge case coverage. Do NOT use for refactoring plans or database migrations.

4243mo agoReads credentialsDiscuss
JetBrainsSkill

testing-internals

JetBrains/intellij-community/.agents/skills/testing-internals/SKILL.md

Debug IntelliJ `tests.cmd` execution, discovery, and runner internals.

21k8d agoDiscuss
JetBrainsSkill

testing-internals

JetBrains/intellij-community/.claude/skills/testing-internals/SKILL.md

Debug IntelliJ `tests.cmd` execution, discovery, and runner internals.

21k8d agoDiscuss
MicrosoftSkill

test-unbranded-emitter

microsoft/typespec/packages/http-client-python/.github/skills/test-unbranded-emitter/SKILL.md

Build and test the @typespec/http-client-python emitter. Use this skill whenever the user wants to test their local changes to the emitter, run the generator test suite, check if their http-client-python changes are passing, or validate a fix. Triggers on phrases like "test the emitter", "run tests", "check if my changes pass", "run test:generator", "run CI", or any mention of testing/validating changes in the emitter package.

5.9k2mo agoDiscuss
nylo-coreSkill

nylo-testing

nylo-core/claude-code/skills/nylo-testing/SKILL.md

Use when writing, running, or debugging tests in a Nylo v7 Flutter project. Covers widget tests, unit tests, API mocking, factories, authentication simulation, time travel, state testing, and Nylo-specific assertions.

47mo agoReads credentialsDiscuss
robomotionioSkill

testing-flow

robomotionio/agent-skills/skills/testing-flow/SKILL.md

Runs and authors behavioral tests for Robomotion flows using @robomotion/sdk/testing. Use when the user says "test the flow", "write tests for main.ts", "mock this service", "check branch coverage", or when a flow needs regression tests before a change. For pspec schema validation, use validating-flow instead.

45d agoDiscuss
wicttorSkill

pwrl-testing

wicttor/pwrl/pwrl-testing/SKILL.md

Comprehensive testing framework for micro-skill pipeline architecture validation, including unit, integration, compatibility tests, and consolidation audit.

43mo agoDiscuss
poolcamachoSkill

sveltekit-testing

poolcamacho/sveltekit-testing/SKILL.md

Design, implement, review, and improve the testing strategy of production SvelteKit applications like a senior test engineer. Use this skill whenever the user is setting up tests for a SvelteKit app, asks what to unit test vs integration test vs test end to end, wants a review or "audit" of an existing SvelteKit test suite, asks how to test load functions, form actions, endpoints, authentication, or authorization, mentions flaky tests, slow tests, low or misleading coverage, or a test suite that is hard to maintain, asks about Vitest, Playwright, Vitest browser mode, vitest-browser-svelte, component tests, mocking, fixtures, factories, test databases, or CI test behavior, or asks whether they are testing the right things. Trigger even when the user does not say the word "testing". Questions like "should this be an e2e test?", "how do I test this form action?", "why is this test flaky?", or "is my test suite any good?" all apply. Framework-specific to SvelteKit, not generic frontend testing advice.

03mo agoDiscuss
edhoferdianSkill

test-authoring-edho-ferdian

edhoferdian/EEF/.agents/skills/test-authoring-edho-ferdian/SKILL.md

Guidance for WRITING unit and component tests well — React/Testing Library, Python/pytest, Go, and Vue, plus stack-agnostic regression-test patterns. A companion to code-review-edho-ferdian's test-quality-lens (which judges tests after they're written) and dev-kickoff-edho-ferdian's TEST stage (which mandates writing a failing test first but doesn't teach test-writing craft). Trigger phrases: "tulis test untuk component ini", "bagaimana test hook ini", "test yang bagus untuk fitur X", "tulis test pytest/Go/Vue untuk ini", or during dev-kickoff's TEST stage when the task needs concrete authoring guidance beyond "write a failing test."

197d agoDiscuss
VercelSkill

gate-tests

vercel/next.js/.agents/skills/gate-tests/SKILL.md

How to use the `@gate` / `@force-gate` test directives instead of `it.skip` or fake-green skip patterns. Use when a test is known-failing under some test-matrix dimension (dev mode, a bundler, an experimental flag like cacheComponents), when converting `if (isNextDev) return` guards or env-var `describe.skip` branches, when adding a condition to test/lib/gate/conditions.ts, or when keying a fixture's experimental flag on a __NEXT_TEST_AXIS letter. Covers directive choice, condition tiers, the test-axis fixture pattern, pitfalls, and verification commands.

143k5mo agoReads credentialsDiscuss
AreevAISkill

areev-testing

AreevAI/areev/.claude/skills/areev-testing/SKILL.md

How to test Areev — the test taxonomy (unit / integration / golden / property / fuzz / perf-gate / cross-surface), the determinism rules that keep the suite non-flaky, the golden bless flow, and a combination-coverage checklist for finding bugs at feature interactions. Use when writing or changing tests, adding coverage for a new feature, chasing a flaky or failing test, or hunting for bugs by exercising edge cases and feature combinations.

248d agoDiscuss
CLAUDE.md vs AGENTS.md

About skills

What is a Claude skill?

A folder with a SKILL.md file: a name, a description of when to use it, and instructions. Claude loads a skill only when the task matches its description.

How do I use one I find here?

Copy the folder into your project's .claude/skills/ directory, or into your own skills folder to use it everywhere.

What do the warnings mean?

We read each file for commands that read secrets, delete things or pipe downloads into a shell, and say so before you copy it. No warning is not a promise that a file is safe.

Which skills worked for people?

Open a skill to see its discussion. Reports from people and their agents are coming.