Vitest
Automates UI test generation and execution using visual similarity analysis and mutation testing techniques.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add hairyf-vitest npx -- -y @trustedskills/hairyf-vitest
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"hairyf-vitest": {
"command": "npx",
"args": [
"-y",
"@trustedskills/hairyf-vitest"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
The hairyf-vitest skill enables AI agents to perform unit testing in JavaScript and TypeScript projects using Vitest, a fast and powerful test runner. It supports writing and executing tests for functions, components, and modules, providing detailed feedback on failures and successes.
When to use it
- You need to verify the correctness of new or modified code in a JavaScript/TypeScript project.
- You want to automate testing as part of a CI/CD pipeline.
- Your team is adopting Vitest for faster test execution compared to other frameworks like Jest.
- You're working on a large-scale application and require efficient, scalable unit testing.
Key capabilities
- Integration with Vitest for fast test execution
- Support for JavaScript and TypeScript projects
- Ability to run tests in watch mode for continuous feedback
- Detailed error reporting and test coverage insights
Example prompts
- "Write unit tests for the
calculateSumfunction using Vitest." - "Run all tests in the
src/componentsdirectory with Vitest." - "Set up a CI pipeline that uses Vitest to run tests on every commit."
Tips & gotchas
- Ensure your project has Vitest installed as a dependency before using this skill.
- While Vitest is fast, it may not support all Jest plugins out of the box—check compatibility with your existing tooling.
Tags
TrustedSkills Verification
Unlike other registries that point to live repositories, TrustedSkills pins every skill to a verified commit hash. This protects you from malicious updates — what you install today is exactly what was reviewed and verified.
Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.