Testing

by vm0-ai

Testing is a Quality skill for Claude Code, published by vm0-ai in vm0.

1.2K stars69 forkson vm0-ai/vm0Added 2026/08/20Repository updated 2026/08/20

View source on GitHub Download repo ZIP

agentic-workflowai-agentai-runtimeai-sandboxclaude-codedev-toolssandbox

Install in seconds

Install Testing

Copy Testing into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/vm0-ai/vm0/tree/main/.claude/skills/testing ~/.claude/skills/testing

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/vm0-ai/vm0.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: .claude/skills/testing/SKILL.md in vm0-ai/vm0
Installs to: ~/.claude/skills/testing
Collection: One of 9 skills cataloged from this repository
Category: Quality — 1354 skills

What Testing does

Testing provides comprehensive testing patterns and anti-patterns for writing and reviewing tests. Use it when writing tests, reviewing test code, or investigating test failures.

Testing is cataloged under Quality on DirSkills. Testing comes from a repository tagged agentic-workflow, ai-agent, ai-runtime, ai-sandbox and claude-code.

Documentation

README

Excerpt

Testing Skill

Use this skill when writing tests, reviewing test code, or investigating test failures.

Documentation

Read the testing guide and relevant reference based on context:

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Testing

What else does vm0-ai publish alongside Testing?
Testing is one of 9 skills that DirSkills catalogs from vm0-ai/vm0, the repository it ships in. Its siblings there include CCState Patterns and Best Practices, CLI Design and Code Quality. Each one is a separate skill with its own page in this directory, installs the same way Testing does, and is maintained by vm0-ai in that same repository. The rest of the collection is listed on the vm0-ai/vm0 page.
How does Testing compare to other Quality skills?
Testing ranks #759 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Testing against them. Open each page to compare what they document and how they install.