In brief
Block, the payments company led by Jack Dorsey, has launched Buzz, a free, open source platform where employees and AI agents share the same workspace.
Built on the Nostr protocol, Buzz combines team chat, code repositories, and automated workflows, and gives every human and agent its own cryptographic identity.
Buzz is model-agnostic, supporting agents built on Claude Code, Codex, and Block's own goose.
Jack Dorsey's Block has launched Buzz, a free, open source platform where employees and AI agents work side by side in a shared workspace, the company said Tuesday."we're launching BUZZ," Dorsey tweeted, describing "a new groupchat platform for teams of people and agents of all sizes" built to reduce the company's dependency on Slack and GitHub. He called it "model-agnostic, decentralized, self-sovereign, and open source."









