Launched this week
Osaurus
Open source agents that run 100% locally on your Mac
1.1K followers
Open source agents that run 100% locally on your Mac
1.1K followers
The native macOS harness for AI agents. Any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.
How is this different with Codex or Claude Code?
Osaurus
@jun_rex_bungabong Codex and Claude Code are designed for development, we're designed for every day use. We also focus on getting local models to work well, and provide local inferencing.
Downloading to check this out now! Just the branding of the dinosaurs is unique enough to pique my interest, would love to know where you got the idea to use them. Make the internet fun again!
Osaurus
@rick_mcclelland Let's make it fun!
My son was getting into dinosaurs (he's turned 3), and I wanted to build something fun with AI. I built Dinoki (pixel dinosaur desktop AI companion), and realized there's a growing need to run local models (for costs and privacy). Dinoki will be central to what we do, so when we built Osaurus, we decided to keep the same branding.
persistent memory + fully offline is where the loop gets tight — the summarizer that decides what to keep is the same small model that produced the noise. compression drift compounds on itself with no bigger model to arbitrate. that's the part i'd want to see the eviction policy for, not the model swap.
Osaurus
@qifengzheng For which small model? It comes down to the model itself
@tpae fair — though the bit i meant is structural, not model-specific. whatever runs the agent also writes the summary, so the compressor inherits the exact blind spots of the text it's compressing. a stronger small model moves where that breaks — it doesn't decorrelate the two.
Creatium
Swift-native, fully offline, and open source is a rare combo — most agent harnesses assume you're fine piping everything to the cloud. The cryptographic identity piece is intriguing; I'd love to hear more about how persistent memory works across sessions and whether it's local-only storage. This feels built for people who actually care about owning their stack. Nice work.
Osaurus
@kelly_king3 Thank you Kelly! Memory is stored locally on device, using local embeddings. It works fully offline as well. We believe everyone should own their AI.
Finally a Swift-native agent harness that doesn't feel like a wrapper around a Python script. The persistent memory across sessions actually held context from yesterday, which surprised me.
Osaurus
Hey@hargdeansa20796 I'm tired of wrappers too. Mac users deserve something better. Which is why we built Osaurus.
Let us know if there's any feedback or suggestions on how to make it better.
Huge congrats on the launch, @tpae ! Love the offline-first approach. One thing I’d find useful: a visual activity log to scrub through what the agent did locally. Any plans for that?
Osaurus
@tmaleh_ Yup! We're looking into this
the fully-offline bit is the whole selling point for me tbh... most agent tools are just api wrappers that fall over the second the wifi does. running local on the mac with persistent memory is an actual edge, not a checkbox... swift instead of yet another electron thing is a nice touch too.
Osaurus
@alex_watson2110 Exactly. Electron is purely for companies to expand their reach, for Mac users, we're getting the shorter end of the stick. Mac users deserve better. That's why we built it in Swift.