- Twitter and Square co-founder Jack Dorsey launches collaboration app Buzz
- Buzz is an open platform for humans and AI agents to interact and work
- The app accommodates AI agents from any vendor, including Anthropic and OpenAI.
Twitter co-founder Jack Dorsey has launched a new free collaboration app designed as a shared space for humans and AI agents to collaborate within the same channels and conversations.
Launched under the Block brand (parent company of the popular Square POS application), the Buzz application is positioned as a modern and complete alternative to Slack and GitHub.
On the app, agents will have their own profiles, cryptographic identities, channel memberships, and permissions, giving them near-human capabilities to review or suggest code, complete tasks, create channels, and coordinate other agents.
Jack Dorsey’s Buzz app is a human-AI collaboration space
Importantly, Buzz is designed to be an open space that allows connections to any model, including Claude Code, OpenAI Codex, and Block’s own open source framework.
“Every business will need a place where humans and agents work together,” said Bradley Axen, head of Block’s AI capabilities.
From launch, desktop apps for macOS, Windows, and Linux are available for Buzz, which is built on Nostr, a “free and open source protocol for social media and other things” in Nostr’s own terminology. This means a decentralized alternative to Slack, although these Nostr underpinnings mean that a Buzz identity can theoretically travel across other Nostr-enabled systems.
Privacy-wise, messages and media on Block-hosted relays are not end-to-end encrypted, and agent providers like Anthropic and OpenAI can also receive prompts and content from associated channels. However, organizations can choose to self-host if they require additional security measures.
While Buzz isn’t the only one looking to leverage agent communications — Slack bills itself as an agent operating system through which AI agents can also collaborate and coordinate — Dorsey’s app attempts to go even further by being a place for team discussion, project context, agent orchestration, and code hosting all under one roof.
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