A coding agent whose brain is swappable. Point it at a local model and the marginal cost of a run goes to zero — which is the only way agentic coding makes sense at volume.
It edits real files and runs real commands. Give it a sandbox or a throwaway branch, always.
| What you get free | Free and open source (MIT); point it at a local or paid model, your choice |
| Where the limit sits | Free in software — model calls cost whatever backend you point it at (nothing, if local) |
| Credit card to start | No |
| Pricing type | Open source |
| Last checked | 2026-07-30 · source |
| Run it yourself | Yes — MIT · repo |
| Platforms | linux, mac, windows |
| Category | Code & dev · Agents & automation · Self-hosted / local |
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