Does this skill generate the actual test code?

While its primary focus is analysis and planning, it identifies exactly what needs to be tested and the type of test required, providing the roadmap for implementation.

How does the skill help prioritize which tests to write first?

It uses a priority framework that flags business logic, security-critical code, and error handling as high priority, while simple getters or UI presentation logic are marked as lower priority.

Is it possible to enforce coverage thresholds using this skill?

Yes, the skill provides patterns and configuration examples for setting mandatory coverage thresholds to prevent regressions in code quality.

Which testing frameworks are supported by this skill?

The Test Coverage Analyzer provides built-in support for Jest and Vitest (JavaScript/TypeScript), pytest (Python), and the native Go testing tool.

Can this skill help find specific untested branches?

Yes, it specifically analyzes branch coverage to find untested if/else paths and catch blocks that standard line coverage metrics might overlook.

Test Coverage Analyzer

Name: Test Coverage Analyzer
Author: armanzeroeight

byarmanzeroeight

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Security & Testing

Analyzes test coverage reports to identify testing gaps and provides prioritized recommendations for improving software quality.

The Test Coverage Analyzer is a specialized tool designed to help developers systematically improve their codebase's test density. It automates the process of interpreting complex coverage reports from frameworks like Jest, Vitest, pytest, and Go test, translating raw metrics into actionable insights. By identifying uncovered functions, missing conditional branches, and untested error paths, the skill allows engineers to move beyond simple percentage targets. It is particularly effective for prioritizing testing efforts in critical business logic, security-sensitive modules, and complex data validation paths, ensuring that high-risk code receives the attention it requires.

Key Features

0119 GitHub stars

02Multi-language support for JavaScript, TypeScript, Python, and Go

03Automated identification of uncovered functions and logic branches

04Actionable plan generation for unit, integration, and E2E testing

05Risk-based prioritization of testing tasks (High, Medium, Low)

06Pre-configured patterns for enforcing coverage thresholds

Use Cases

01Planning testing sprints by identifying high-impact business logic gaps

02Verifying that new features meet required testing standards before merge

03Auditing legacy codebases to identify and prioritize technical debt

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add armanzeroeight/fastagent-plugins test-coverage-analyzer

For use in Claude.ai and ChatGPT

Download Skill