A personal AI OS for note-takers and developers — adds persistent memory, opinionated skills, and personal calibration to your terminal AI of choice.
Most tools ask you to query an AI. OneBrain co-evolves with you — every preference you teach sharpens the agent, every link it surfaces sharpens you.
- 🧠 Memory that compounds — agent remembers your preferences, projects, and prior decisions across sessions; no re-explaining context
- 🔍 Local semantic search — hybrid keyword + ~100-language semantic search over your vault, Thai/CJK-aware, built into the binary — no Node, no Python, no cloud
- 🖥️ Built-in web UI —
onebrain serveopens a local, token-gated browser view of your vault: file explorer, reading view, search, and agent chat — nothing extra to install - 🔒 Local-first — your vault lives in plain Markdown on your machine; no proprietary database, no cloud lock-in
- 🛠️ 30+ skills out of the box —
/dailybriefing ·/capturequick notes ·/distilltopic synthesis ·/researchweb→vault ·/wrapupsession log · more - 🔌 Multi-harness + MCP — Claude Code, Gemini CLI, Codex, Qwen, or any MCP client like Cursor — same skills, same memory, your choice of model
- ⚡ Single Rust binary — self-updating · zero runtime dependencies
- 📝 Plain Markdown — read in any editor, sync via iCloud/Dropbox/git, your data outlives any tool
# macOS
brew install onebrain-ai/onebrain/onebrain
# any platform via npm
npm install -g @onebrain-ai/cliOneBrain · [email protected] · @onebrain_run