pytest agent skills for Claude Code, Codex and other agents.

Checks that every Python code block in a Markdown file actually compiles and runs, by extracting each block to a temporary file, executing it in an isolated subprocess, and writing a pass/fail…

google/adk-python

Sets up a local ADK Python development environment in a git clone of the open-source adk-python repository: a uv virtual environment, all dependency extras, pre-commit hooks, and a first unit-test…

google/adk-python

Runs and debugs ONNX Runtime tests: Google Test executables for C++ and unittest or pytest for Python, with filters and build-directory guidance.

microsoft/onnxruntime

Builds ADK (Agent Development Kit) Python agents: LLM agents with tools, graph workflows of function and agent nodes, conditional routing, fan-out and join, schema-validated delegation between…

google/adk-python

Runs the ONNX Runtime transformers Python tests against a GPU wheel and proves the cuDNN flash attention path was used rather than a silent fallback.

microsoft/onnxruntime

Draft and revise concise, human-focused GitHub issues for pytest-kind-ng.

NVIDIA/container-canary

Guides writing or refactoring tests for the Mistral Vibe CLI agent so they check behavior through stable boundaries, like tool invocation or saved session shape, instead of internal calls.

mistralai/mistral-vibe

Guide to the Megatron-LM test system: layout, recipe YAML, running and adding unit and functional tests, golden values, marker filters and CI parity.

NVIDIA/Megatron-LM

Recover from GPU-busy / GPU-unavailable failures. An agent skill from facebookexperimental/triton.

facebookexperimental/triton

Coding and testing rules for Mistral Vibe so code works on Linux, macOS and Windows even though CI runs the test suite on Linux only.

mistralai/mistral-vibe

Analyze assertion quality, depth, variety, and false confidence in existing tests.

dotnet/skills

ALWAYS USE whenever asked to write, add, or generate unit tests for existing code in xUnit, MSTest, NUnit, pytest, Vitest/Jest, Go, or another framework, including "tests only for" one helper…

dotnet/skills

Sets up Python projects and standalone scripts with uv, ruff, ty, pytest and prek, and helps move existing projects off pip, Poetry, mypy and black.

trailofbits/skills

Write tests for bocpy Behavior-Oriented Concurrency code. An agent skill from microsoft/bocpy.

microsoft/bocpy

Provides file paths to language-specific reference files for the test ANALYSIS skills (assertion-quality, test-anti-patterns, test-gap-analysis, test-smell-detection, test-tagging).

microsoft/testfx

Run pytest tests with coverage, discover lines missing coverage, and increase coverage to 100%.

github/awesome-copilot

Analyzes the variety and depth of assertions across test suites in any language.

microsoft/testfx

Generates and writes new unit tests for any programming language — scaffolds .NET test projects, pytest suites, Vitest/Jest suites, Go test files, and JUnit suites, and configures coverage tooling…

microsoft/testfx

Performs pseudo-mutation analysis on production code in any language to find gaps in existing test suites.

microsoft/testfx

Deep-dive audit using the full testsmells.org 19-smell academic catalog for tests in any language.

microsoft/testfx

Analyzes test suites in any language and tags each test with a standardized set of traits (positive, negative, critical-path, boundary, smoke, regression, integration, performance, security).

microsoft/testfx

Audits existing test code in any language for anti-patterns and quality issues — produces a severity-ranked report (Critical / Warning / Info) with concrete code-level fixes.

microsoft/testfx

Create Earth2Studio diagnostic model wrappers for single-step data transformations, including simple derived diagnostics, packaged AutoModel diagnostics, and generative or diffusion diagnostics.

NVIDIA/skills

Create Earth2Studio prognostic (time-stepping forecast) model wrappers.

NVIDIA/skills

Maintains existing pytest and Django test suites without weakening correctness.

PostHog/posthog-foss

Teaches how to write and run evals on the products/posthogai/evalharness/ harness — sandboxed agent suites that execute the real coding agent in a Docker or Modal sandbox against a seeded Hedgebox…

PostHog/posthog-foss

A skill your agent uses when asked to reproduce a bug, verify a nightly CI failure, or confirm a failure still exists on latest source.

intel/torch-xpu-ops

Guides an agent through reproducing, root-causing, fixing, and validating flaky tests in the PostHog monorepo.

PostHog/posthog-foss

Gates whether a new test should exist and forces it to be efficient, protecting CI from low-value test bloat.

PostHog/posthog-foss

Run Kedro's local lint / format / type-check / tests on changed files (uses the project's pre-commit hooks, ruff, mypy, pytest, lint-imports, detect-secrets, Make targets — in the right venv), or…

kedro-org/kedro

Walks through a Skyvern open-source release bump: update the version, rebuild the Python and TypeScript SDKs with Fern, commit, and open a pull request.

Skyvern-AI/skyvern

Rules for writing, fixing and reviewing pytest unit tests that are hermetic: behavior-focused, deterministic, isolated and cheap to run.

dimensionalOS/dimos

Reviews newly written or edited tests against nine rules that cut test bloat, such as mock-heavy checks and near-duplicate cases, before they are committed.

amElnagdy/guard-skills

Reviews an Ansible pull request by number, following the steps in the project's CLAUDE.md, with early checks for changelog fragments and tests.

ansible/ansible

Disciplined, reproducible loop for making an FLA kernel faster (Triton, Gluon, TileLang, CuTe) without ever breaking or gaming correctness.

fla-org/flash-linear-attention

Creates Python projects with proper structure, virtual environments, and dependency management.

haddock-development/claude-reflect-system

Sets up an isolated per-worktree Python environment for attention-gym development using nightly PyTorch and the CI-mirroring uv flow.

meta-pytorch/attention-gym

Iterative code refinement through plan → code → evaluate → refine cycles.

EvoScientist/EvoSkills

Run pytest tests with automatic virtual environment activation. Use this skill whenever running tests, executing pytest, or when asked to "run…

saleor/saleor

Developer guide for the Cortex-M (CMSIS-NN) backend in ExecuTorch: quantization pipeline, pass manager, tests and adding new ops.

pytorch/executorch

Port a Node-RED node into EdgeLinkd the way this repo does it: implement the node in Rust under crates/core/src/runtime/nodes, mirror Node-RED's mocha spec as pytest tests under tests/, register the…

oldrev/edgelinkd

Designs and implements testing strategies for any codebase. An agent skill from CloudAI-X/claude-workflow-v2.

CloudAI-X/claude-workflow-v2

Start, selectively modernize, fully migrate, or update Python projects using simple-modern-uv practices: uv, ruff, BasedPyright, pytest, GitHub Actions CI, and tag-driven PyPI publishing.

jlevy/simple-modern-uv

Audit, plan, write, and verify unit tests for Python projects using pytest.

areed1192/finance-news-aggregator

A skill your agent uses when writing, editing, reviewing, or running Helm chart tests for the Astronomer APC repository.

astronomer/astronomer

Guides an agent through probing an unfamiliar project's test setup, then choosing a red-light-first testing strategy matched to the task type.

huiliyi37/Tianshu-harness

Guide for adding unit tests to AReaL. An agent skill from areal-project/AReaL.

areal-project/AReaL

Scaffolds FastAPI projects with a layered app layout, dependency injection through Depends, async handlers and database access, middleware and pytest setup.

wshobson/agents