Your build is green — but did the agent make it green by weakening the tests? mumei re-runs them from a clean HEAD, freezes what must not be tuned, and reads the diff for deleted tests and suppressed errors. Enforced in Hooks, not asked for in a prompt.
Latest release v0.11.2 · 12 Jul 2026
2 files for Claude Code, Codex and OpenCode: mumei AGENTS.md, mumei CLAUDE.md — 7,247 tokens loaded in every session.
AGENTS.md A 4,858 tok CLAUDE.md A 2,389 tok These files are iroha924/mumei's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.