Block Launches Buzz, an Open Source Workspace for Humans and AI Agents

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Block, the parent company of Square and Cash App, launched Buzz on July 21, 2026, an open-source collaboration platform designed for humans and AI agents to work together in a shared workspace. Built on the Nostr protocol, Buzz offers channels, direct messaging, voice, media sharing, Git-based code repositories, and automated workflows. Unlike conventional tools such as Slack or Teams, AI agents in Buzz hold their own cryptographic identities and defined permissions, allowing them to post, review code, and participate in conversations alongside human teammates. The platform is released under the Apache 2.0 license, with self-hosting available via GitHub and a managed option at buzz.xyz. Block's head of AI capabilities stated the company built Buzz on the belief that the infrastructure for human-agent collaboration should remain open rather than proprietary.

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ProgrammingDEV Community ·

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