lobehubSkilltesting
lobehub/lobehub/.agents/skills/testing/SKILL.md
Use for Vitest tests, mocks, coverage and failing-test diagnosis.
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lobehubSkill
iOfficeAISkilltesting
iOfficeAI/AionUi/.claude/skills/testing/SKILL.md
Testing workflow and quality standards for writing and running tests. Use when: (1) Writing new tests, (2) Adding a new feature that needs tests, (3) Modifying logic that has existing tests, (4) Before claiming a task is complete.
JetBrainsSkilltesting
JetBrains/intellij-community/.agents/skills/testing/SKILL.md
Run or troubleshoot IntelliJ `tests.cmd` tests and discovery.
JetBrainsSkilltesting
JetBrains/intellij-community/.claude/skills/testing/SKILL.md
Run or troubleshoot IntelliJ `tests.cmd` tests and discovery.
kortix-aiSkilltesting
kortix-ai/suna/.agents/skills/testing/SKILL.md
Use for every Kortix test task, behavior change, bug fix, refactor, API route change, CLI change, SDK change, browser journey, test failure, coverage question, local benchmark, or testing infrastructure change. Enforce the single local-first runner, black-box flow contracts, package-local SDK tests, browser-only Playwright tests, and real input/output verification.
Model Context ProtocolSkilltesting
modelcontextprotocol/inspector/.claude/skills/testing/SKILL.md
Run, place and fix tests in this repo. Use when choosing which npm command runs a given suite (web unit, web integration, Storybook, cli, tui, launcher, scripts); when deciding where a new test file belongs — beside its source, under src/test/, or in a client's __tests__/; when a per-file coverage check fails or a v8 ignore is in question; when asking which test tier spawns the built binary rather than importing it; or when rendering, mounting or asserting on Mantine components and their transitions in a test.
affaan-mSkille2e-testing
affaan-m/ECC/.agents/skills/e2e-testing/SKILL.md
Playwright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies. Use when writing Playwright tests, structuring page objects, or fixing flaky E2E runs in CI.
AnthropicSkillsox-testing
anthropics/knowledge-work-plugins/finance/skills/sox-testing/SKILL.md
Generate SOX sample selections, testing workpapers, and control assessments. Use when planning quarterly or annual SOX 404 testing, pulling a sample for a control (revenue, P2P, ITGC, close), building a testing workpaper template, or evaluating and classifying a control deficiency.
ElasticSkillftr-testing
elastic/kibana/.agents/skills/ftr-testing/SKILL.md
Deep reference for the Kibana Functional Test Runner (FTR). Use when reading, analyzing, debugging, or reviewing FTR tests, including config anatomy, services, page objects, loadTestFile patterns, data loading, tags, CI wiring, and common FTR idioms.
SentrySkillhybrid-cloud-test-gen
getsentry/sentry/.agents/skills/hybrid-cloud-test-gen/SKILL.md
Generate hybrid cloud tests for the Sentry codebase. Use when asked to "generate HC test", "create hybrid cloud test", "write HC test", "add HC test", "write RPC test", "test RPC service", "silo test", "cross-silo test", "outbox test", "API gateway test", or "endpoint silo test". Covers RPC service tests, API gateway tests, outbox pattern tests, and API endpoint tests with silo decorators.
manaflow-aiSkillcmux-testing
manaflow-ai/cmux/skills/cmux-testing/SKILL.md
Choose scoped cmux verification, add behavioral tests, and validate Swift test targets and wiring. Use when adding tests or deciding what local/CI evidence a change needs.
AnthropicSkilltesting-strategy
anthropics/knowledge-work-plugins/engineering/skills/testing-strategy/SKILL.md
Design test strategies and test plans. Trigger with "how should we test", "test strategy for", "write tests for", "test plan", "what tests do we need", or when the user needs help with testing approaches, coverage, or test architecture.
SentrySkillreact-testing
getsentry/sentry/.agents/skills/react-testing/SKILL.md
Write and review React/TypeScript tests for Sentry's frontend using Jest and React Testing Library. Use when adding or editing tests in static/ (*.spec.tsx), writing component/hook tests, mocking API responses with MockApiClient, testing routing or network requests, or when asked to "write a frontend test", "add a React test", "test this component", or "fix a flaky RTL test".
AnthropicSkillwebapp-testing
anthropics/skills/skills/webapp-testing/SKILL.md
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
PydanticSkilltesting-skill
pydantic/pydantic-ai/.claude/skills/testing-skill/SKILL.md
Record, rewrite, and debug VCR cassettes for HTTP recordings. Use when running tests with --record-mode, verifying cassette playback, or inspecting request/response bodies in YAML cassettes.
NVIDIASkillmcore-testing
NVIDIA/Megatron-LM/skills/mcore-testing/SKILL.md
Test system for Megatron-LM. Covers test layout, recipe YAML structure, adding and running unit and functional tests, golden values, marker filters, and CI parity.
SupabaseSkillstudio-testing
supabase/supabase/.agents/skills/studio-testing/SKILL.md
Testing strategy for Supabase Studio. Use when writing tests, deciding
PostHogSkillwriting-tests
PostHog/posthog/.agents/skills/writing-tests/SKILL.md
Gates whether a new test should exist and forces it to be efficient, protecting CI from low-value test bloat. Use before any change to what a pytest, Jest, or Playwright test asserts or sets up, down to one fixture or one assertion added to an existing block. Front-loads the value bar (every test must catch a realistic regression no existing test already catches; extend the nearest existing test before writing a new standalone one; test behavior through the public interface, not implementation details; collapse near-duplicates into parameterized cases) and the efficiency bar (deterministic, isolated, fast; pick the cheapest test level; Django TestCase over TransactionTestCase; no sleeps, no real network; no time bombs from absolute dates left to age against the real clock; no database a test never uses). Includes a "don't write it" decision tree. For fixing an existing flaky test use `/fixing-flaky-tests`; after this gate says a Playwright test is warranted, use `/playwright-test` for mechanics.
GitHubSkillwebapp-testing
github/awesome-copilot/skills/webapp-testing/SKILL.md
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
ComposioHQSkillpython-testing
ComposioHQ/composio/.agents/skills/python-testing/SKILL.md
Select and run Python SDK verification with nox, Makefile targets, Ruff, mypy, pytest markers, sanity tests, type inference checks, and build checks. Use when adding Python tests, diagnosing Python CI, or validating Python SDK/provider changes. Do not use for TypeScript-only checks.
Agent instruction files
What are agent instruction files?
Plain text files in a repository that tell a coding agent how the project works: commands to run, conventions to follow and things to avoid. CLAUDE.md, AGENTS.md, cursor rules and skills are the common kinds.
CLAUDE.md or AGENTS.md?
CLAUDE.md is read by Claude Code. AGENTS.md is an open format that Codex, Cursor and other agents read. Many projects keep one and point the other at it.
What is a skill?
A folder with a SKILL.md that describes one capability, such as filling PDFs or reviewing code. The agent loads it only when the task calls for it.
Can I search my own team's files too?
Your agents already can, over MCP, limited to the files you're allowed to read. Searching them from this page is coming.