# biston

*peppered moth* · guardrails · https://mojzis.github.io/aesop/biston/

**Finds the code your agent wrote twice.**

## Teach your agent

```
uvx biston@latest guide
```

## Run

```
uvx biston@latest
```

## Reach for it when

The repo grew fast and you suspect three slightly different copies of the same helper. Structural detection via tree-sitter, so renamed variables don't fool it.

## Links

- repo: https://github.com/mojzis/biston
- docs: https://mojzis.github.io/biston/
- pypi: https://pypi.org/project/biston/