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test-coverage-boost

Generate tests to raise project coverage to 80% across multiple frameworks.

Updated Oct 1, 2025
Search Tags:#vitest#testing#jest#coverage#generator#tests
One-click install
npx skills add https://github.com/j0KZ/mcp-agents --skill test-coverage-boost
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-coverage-boost
Source: https://github.com/j0KZ/mcp-agents/tree/main/starter-kit/template/.claude/skills/test-coverage-boost
Command: npx skills add https://github.com/j0KZ/mcp-agents --skill test-coverage-boost

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you raise test coverage to meet CI requirements by generating tests and guiding coverage improvement.

Core Features & Use Cases

  • Test generation templates
  • Edge cases coverage
  • Error handling tests
  • Cross-language support

Quick Start

To start boosting coverage, generate tests for a module and run tests with coverage to observe progress.

Frequently Asked Questions about test-coverage-boost

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I increase test coverage from 0% to 80% across my project?▼

Test coverage boost generates tests automatically across JavaScript, Python, Go, Java, Ruby, and .NET projects. It targets untested code using MCP-driven test generation, structured AAA test-writing, and a coverage ladder to progressively reach 80%+ coverage while satisfying CI/CD requirements.

Can I use this with Jest or Vitest for my JavaScript tests?▼

Yes, this Skill supports both Jest and Vitest alongside other testing frameworks. It generates edge case and error handling tests within your existing framework setup, integrating seamlessly with your current CI/CD pipeline.

How do I generate tests for edge cases and error handling?▼

The Skill provides test generation templates and practical scaffolds that automatically identify untested code paths and generate edge case and error handling tests. Run coverage reports to observe which scenarios are missing and let the templates guide test creation.

Does test coverage improvement work for refactoring preparation?▼

Yes, raising coverage before major refactoring reduces regression risk by ensuring existing functionality is tested. This Skill helps meet team coverage goals (70-80%) and flaky test fixes, preparing code for safe, confident refactoring.

What's the best way to adopt TDD practices across multiple languages?▼

This Skill enables TDD adoption by providing cross-language test generation templates and coverage ladders across JavaScript, Python, Go, Java, Ruby, and .NET. Use the scaffolds and AAA approach to build test-first habits regardless of your tech stack.

Can I meet CI requirements without manually writing every test?▼

Yes, MCP-driven test generation automates test creation to meet CI coverage thresholds. The Skill generates tests targeting untested code, error paths, and edge cases, reducing manual effort while reliably hitting 80%+ coverage targets.

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