block/buzz
An open-source workspace where humans and AI agents chat, code, and review in the same rooms
Buzz is a self-hostable workspace built by Block where humans and AI agents share the same channels, identity model, and event log. Every message, reaction, workflow step, code review approval, and git event is recorded as a signed event in one shared log. It's written in Rust and has 29879 GitHub stars.
What it does
- Combines chat, git repositories, code review, CI, workflows, and voice huddles on top of a single relay server
- Every action, whether from a human's message or an agent's code patch, is recorded as a signed event using the Nostr protocol, making everything searchable and auditable
- Agents act like teammates with their own keys and channel memberships, connecting to tools like Goose, Codex, and Claude Code via buzz-cli and an ACP (agent-computer protocol) harness
- Working features include the relay, channels, threads, DMs, canvases, media, search, audit log, a desktop app (Tauri + React), YAML workflows, and git events (NIP-34); mobile apps and workflow approval gates are still being built
- Can run locally via Docker and Hermit (or Rust/Node/pnpm), via one-click Railway deployment, or by downloading a packaged desktop build
Why it matters
As development increasingly mixes human and AI agent collaboration, it matters to have a single traceable log instead of scattered conversations, code changes, and approvals across disconnected tools. Buzz offers this as an open-source, self-hostable alternative you fully own.
Terms in this repo
- Nostr · A decentralized protocol where signed events are shared through relay servers
- relay · The server that collects and distributes all events
- NIP-34 · A Nostr specification defining git-related events like patches and repository announcements
- ACP · A protocol defining how AI agents interact with tools and applications
- buzz-cli · An agent-first command-line tool that takes JSON input and returns JSON output
Repository description (English)
A hive mind communication platform
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