Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLIAbout this skill
Use when backfilling tests on existing code. Analyzes code through public interfaces, detects the project's test framework, and writes behavior-focused regression tests. Supports targeted mode (specific files) and diff-based mode (changed files from git). Use this whenever the user says write tests, add tests, cover this, or wants regression tests for existing code.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill
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About scan coverage and limitationsAbout this listing
- Category
- Engineering
- Reported license
- Not specified
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.