MIMIR¶
MIMIR is a non-generative decision model by Mythologic. Give it a context, a question, and the options; it returns a typed answer, calibrated probabilities, the parts of the context it relied on, and a certified verdict on whether the answer may be acted on.
mimir-decisions is its Python package: a local engine on ONNX Runtime, an HTTP server, an MCP server, and adapters for eight agent frameworks, all sharing one typed contract.
pip install "mimir-decisions[local]" # CPU engine
pip install "mimir-decisions[local-gpu]" # CUDA engine
pip install mimir-decisions # data models and HTTP client only
Python 3.11 or later.
Where to start¶
| Page | For |
|---|---|
| Quickstart | a first decision in three lines |
| Use cases | six runnable scripts: route, verify, rank, rate, estimate, gate |
| Decisions | the seven decision types and what a context can contain |
| The certificate | what DECIDED, ABSTAINED, and DEFERRED promise and why |
| Tool-call checks | gating an agent's tool calls with rules you write |
| HTTP server | serving MIMIR over HTTP with batching and Prometheus metrics |
| MCP server | exposing MIMIR as MCP tools to any agent or client |
| Frameworks | native adapters for eight agent SDKs |
| Migrating from Jev, from Laya | drop-in compatibility paths |