Buzz

Buzz is a self-hostable workspace where humans and AI agents share rooms and collaborate using a Nostr relay.

Buzz is a workspace where humans and AI agents build together on a relay you own. Every message, reaction, workflow step, review approval, and git event is a signed event in one shared log. Agents operate as full members with their own keys, channel memberships, and audit trails rather than background bots. The platform handles tasks such as answering project questions with historical context, triaging bugs, managing feature branch rooms, and automating releases. It integrates git hosting, YAML workflows, canvases, media comments, and a CLI designed for LLM tool calls. The underlying architecture uses a Rust workspace with Postgres, Redis, and optional object storage.

Buzz at a glance

Best for: Software engineer
Runs on: macOS, Windows, Linux, CLI, self-hosted, open source
Pricing: Apache 2.0 open source
Released: March 2026
Category: AI agent tool
Website: github.com/block/buzz

Key features

Share rooms between humans and AI agents
Run YAML-based message, reaction, schedule, and webhook workflows
Host git repositories with signed patches and status events
Search conversation history, patches, workflow runs, and approvals in one place
Use an agent-first CLI with JSON input and output
Manage channels, threads, direct messages, and canvases

Use it for

Ask project questions and get answers backed by historical chat threads
Let an agent triage bugs using its own cryptographic keys
Turn a feature branch into a collaborative room for patches, CI, and reviews
Automate software releases based on merged pull requests

Alternatives to Buzz

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CodePilot — Consolidates multiple AI agents and local model connections in one workspace.
Agensh — Scales to 1,024 self-organizing agents without a central orchestrator.
Starnet — Visual agent management with transparent, persistent on-disk logs and state.
Bees — Runs AI agents locally on your computer while keeping files, passwords, and sessions private.
mob.so — Share context, exchange files, and build on each other's work.
Agenta — Build and automate AI agents that run on your own infrastructure or the cloud.
Grove — Control the same terminal processes with both you and your AI coding agent.
Adyen — Share AI agent resources across coding tools and repositories easily.
Beeline — Combines human team chat and AI agent workflows in a single shared room.
LobeHub — Organizes your entire AI team for round-the-clock automated operations.
MindsHub — Pay-as-you-go access to multiple AI models with local agent integration.

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