Self-host on Docker
Docker docs
New ✨ Docker + Otter GitHub App
Easily understand & change code
Runs on your machine. Local DB and repos stay private. Connect GitHub via the Otter app.
Understand repositories locally
Import a GitHub repo and get architecture signals, entry points, and stack detection — before anyone writes a line of code.
Learn more
Import · repo list · status
Connect a free local model
Point Otter at Ollama on your machine (or any OpenAI-compatible endpoint). One Models page — used for chat, explain, and coding.
Learn more
Providers · discovery · test
Ask the codebase
Grounded chat cites real files. Plan changes with risks and verification steps before any patch is proposed.
Learn more
Grounded answers · citations
Approval-gated coding
Generate patches, review diffs, approve or reject, then open a PR. Otter never silently overwrites your source tree.
Learn more
Diff · approve · PR
Ship with Otter in Fast.
Understand first · architecture before patches
Human approval · nothing lands without a yes
Web · CLI · MCP · one brain across surfaces
The details
We're making engineering intelligence accessible
As AI coding tools rush to write files first, Otter starts with understanding. Run it on your machine, bring your own model, and keep approval before every write.
Find out more
Copy, run, open the app
Self-host guide