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Mutiny is an open-source behavioral fuzz-testing engine for AI agents: policy-as-code on tool-call traces, evolutionary campaigns, minimize, and permanent regressions. Adapter #1 (OpenAI Agents SDK), CLI, Hosted UI, and a solid test suite are in place. Install from source today (uv sync --extra dev) — not on PyPI yet.
Priorities may change with community feedback. Use Discussions to brainstorm; open Issues when work is actionable.
Current Status
Mutiny is an open-source behavioral fuzz-testing engine for AI agents: policy-as-code on tool-call traces, evolutionary campaigns, minimize, and permanent regressions. Adapter #1 (OpenAI Agents SDK), CLI, Hosted UI, and a solid test suite are in place. Install from source today (
uv sync --extra dev) — not on PyPI yet.✅ Completed
apps/web,apps/api)TargetAdaptermutiny init/run/testinto your agent projectpolicy.yamloperators (code proves, not LLM-as-judge)tests/.mutiny/tests/replayed withmutiny test🛣 Next
TargetAdapterport)mutiny test/ campaign hooks🌎 Future
How to help
good first issue