Skip to content
TrustedSkillsbeta
Back to all skills

Vitest

Checked
hairyf·vlatest·testing·MIT

Automates UI test generation and execution using visual similarity analysis and mutation testing techniques.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add hairyf/skills --skill vitest -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

hairyf

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned hairyf/skills at 8a84374860.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
8a84374860
Manifest
skills/vitest/SKILL.md
Scanned
18 files, 3,324 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

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 calculateSum function using Vitest."
  • "Run all tests in the src/components directory 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.