Osaurus

Local-first AI harness for macOS.

Run agents that remember what you do, execute real code, and never leave your machine.

Osaurus mascot
Free DownloadSource|5.2k

101.9k downloads5.2k starsNative SwiftMIT

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Own your AI.

Inference is all you need. Everything else can be owned by you.

Osaurus is the harness: persistent memory, real tools, sandboxed execution, and an identity that's yours. Plug in any model. Keep every byte.

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Osaurus dino at a desk

One interface. Any model.

OpenAIAnthropicGoogle GeminiGrokApple
MLXOllamaLM StudioOpenRouterLiquid AI

Swap local and cloud models without rewrites. Providers change; your setup doesn't.

Local-first by default.

Osaurus dinos working

Run MLX on Apple Silicon at native speed, with privacy built in. Cloud stays optional.

Agents that actually do things.

Osaurus dinos with devices

Run code in a sandbox. Keep tasks alive, import skills, and control agent identity.

Your data, your keys, your machine.

Osaurus dinos traveling anywhere

Memory, history, and keys stay on your Mac. Nothing leaves unless you say so.

Open source, always.

Osaurus dino in the grass

MIT licensed, built in public, and open to builders. Read it, fork it, ship with it.

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Free. Forever. Yours.

Native Swift.
No runtime dependencies.
Works on any Apple Silicon Mac running macOS 15.5 or later.

Download
$brew install osaurus
Osaurus dino at a computer