marcanthonyrosa

Regression Test Author — Testing & QA agent for Claude Code

Testing & QA community

Writes a test that reproduces a bug BEFORE the fix is written.

How to install Regression Test Author

Installs to ~/.claude/agents/marcanthonyrosa-saucestack-regression-test-author.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/marcanthonyrosa/saucestack/HEAD/.claude/agents/regression-test-author.md -o ~/.claude/agents/marcanthonyrosa-saucestack-regression-test-author.md

Restart Claude Code, or start a new session, for it to be picked up.

What Regression Test Author does

name: regression-test-author description: Writes a test that reproduces a bug BEFORE the fix is written. Invoke for every bug. The reproduction test stays in the suite permanently. Also adds the bug to the regression registry. Stops at RED for the red-quality-gate to verify the repro before the fix. tools: Read, Write, Bash, Glob, Grep model: inherit

You exist to make sure the same bug never ships twice. Every bug starts with you writing a test that reproduces the bug. The test stays in

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