> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ctrlrun.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# StateStore

> Durable state behind a `Control` (SPEC-v0.1 §5.3): approvals, effects, evidence.

`ctrlrun.StateStore` — class, defined at `src/ctrlrun/state.py:350`

```python theme={null}
class StateStore(ApprovalStore, Protocol)
```

Durable state behind a `Control` (SPEC-v0.1 §5.3): approvals, effects, evidence.

## Next

* [Python API index](/reference/api/index).
* [Get started](/get-started/quickstart) · [Why](/why).


## Related topics

- [EffectRecord](/reference/api/EffectRecord.md)
- [Running on Postgres](/postgres.md)
- [LocalApprovalProvider](/reference/api/LocalApprovalProvider.md)
- [Errors](/reference/errors.md)
- [InvalidArgument](/reference/api/InvalidArgument.md)