Jest Generator
Automatically generates Jest unit tests from JavaScript code, streamlining development and improving test coverage.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add jest-generator npx -- -y @trustedskills/jest-generator
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"jest-generator": {
"command": "npx",
"args": [
"-y",
"@trustedskills/jest-generator"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
The jest-generator skill automatically generates Jest testing files based on provided code. It simplifies test creation by producing a basic, runnable test suite structure, saving developers time and effort in setting up initial tests for JavaScript projects. This includes generating test file content with common assertions.
When to use it
- New Project Setup: Quickly generate a starting point for testing when beginning a new JavaScript project.
- Rapid Prototyping: Generate basic tests alongside code during rapid development cycles, ensuring some level of automated verification.
- Initial Test Coverage: Create initial test files to establish a foundation for more comprehensive testing later on.
- Code Refactoring: When refactoring existing code, use the skill to generate new tests that reflect the changes.
Key capabilities
- Generates Jest test files based on provided JavaScript code.
- Creates basic test structures with common assertions.
- Provides a starting point for building comprehensive test suites.
Example prompts
- "Generate Jest tests for this React component:
function MyComponent() { ... }" - "Create a Jest file for the function
calculateSum(a, b)." - "Generate a basic test suite for this JavaScript module: [module content]"
Tips & gotchas
The generated tests are a starting point and may require customization to cover all edge cases and specific scenarios. Ensure you have Node.js and Jest installed in your project environment before using the skill.
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.