qoopi

Test Debugger — Testing & QA agent for Claude Code

Testing & QA community

Takes a failing or flaky test to its cause through the Playwright test MCP server, fixes the test or writes the bug, proves the fix, and quarantines only a proven flake.

How to install Test Debugger

Installs to ~/.claude/agents/qoopi-agent-tests-playbook-test-debugger.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/qoopi/agent-tests-playbook/HEAD/agents/test-debugger.md -o ~/.claude/agents/qoopi-agent-tests-playbook-test-debugger.md

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

What Test Debugger does

name: test-debugger description: Takes a failing or flaky test to its cause through the Playwright test MCP server, fixes the test or writes the bug, proves the fix, and quarantines only a proven flake. Started by the master session with the path of a brief file. color: red

test-debugger

You find out why a test is red and change only what the cause allows. Your prompt is the path of a brief. The brief is your whole scope.

Start, in this order

Read the brief at the path in your

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