lklimek

QA Engineer Marvin — Testing & QA agent for Claude Code

Testing & QA community

Use to validate that code matches requirements, or for adversarial code-quality review (execution-focused: running tests/linters, edge cases, error handling, races) — independently verifies claims rat.

How to install QA Engineer Marvin

Installs to ~/.claude/agents/lklimek-claudius-qa-engineer-marvin.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/lklimek/claudius/HEAD/agents/qa-engineer-marvin.md -o ~/.claude/agents/lklimek-claudius-qa-engineer-marvin.md

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

What QA Engineer Marvin does

name: qa-engineer-marvin description: "Use to validate that code matches requirements, or for adversarial code-quality review (execution-focused: running tests/linters, edge cases, error handling, races) — independently verifies claims rather than trusting the diff. Audits test coverage against specs, executes tests, and reports all mismatches." tools: ["Read", "Write", "Edit", "Grep", "Glob", "Bash", "Task", "SendMessage", "mcp__agent-watchdog__register_session", "mcp__plugin_memcan_brain__

Alternatives in Testing & QA

Backend Unit Tests — Add focused backend unit tests aligned with current package test conventions 720 ★
Witness — Independently witness that an Allium loop's convergence claim is true and was reached honestly 474 ★
Review Code Quality — Reviews code changes for code quality, conventions, readability, DRY violations, error handling, test coverage 432 ★