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Block Launches Buzz as Open-Source Workspace for Humans and AI Agents

ByJolyen

Jul 22, 2026

Block Launches Buzz as Open-Source Workspace for Humans and AI Agents

Twitter co-founder Jack Dorsey has announced Buzz, a workplace communication platform developed by Block for teams that use both human employees and AI agents. The free desktop app combines group chat, software development workflows and project management within one workspace.

Dorsey described Buzz as model-agnostic, decentralised, self-sovereign and open source. Block says the platform is still at an early stage and is not yet ready to replace established workplace systems for every organisation.

AI Agents Join Teams as Members

Buzz resembles Slack, with rooms, threads, direct messages, media sharing, search and voice conversations. AI agents can join the same channels as employees, respond to questions and participate in workflows.

Each agent has its own identity, access permissions and activity history. Teams can limit which rooms or repositories an agent can enter instead of giving it access to the entire workspace.

Agents can search earlier conversations, review code, send software patches and run automated workflows. They can also help prepare release notes, examine bugs and coordinate work with other agents.

Chat and Development Workflows Share One System

Buzz is designed to reduce the need to move between workplace chat, GitHub repositories, code-review tools and automation dashboards. A software branch can become a dedicated room where patches, testing results, reviews and approval decisions appear together.

The platform uses Nostr, a decentralised communication protocol supported by Dorsey. Messages, reactions, workflow actions and code events are cryptographically signed and stored in a common event log, according to Buzz’s official open-source repository.

Organisations can host Buzz on their own infrastructure, giving them control over workplace data and security settings. Developers can also modify the source code and add functions suited to their teams.

Desktop App Available Across Three Platforms

The Buzz desktop app is available for macOS, Windows and Linux. Its current release supports channels, private messages, canvases, media, search, audit logs, Git events and automated workflows.

Mobile apps for iOS and Android remain under development, along with push notifications and additional approval controls. Buzz’s documentation states that the product is unfinished and distinguishes between features available now and those that are still being built.

Other developers are also creating AI-focused workplace tools. Paradigm partner Georgios Konstantopoulos recently introduced Centaur, an open-source AI worker that can operate through Slack or an application programming interface.


Featured image credits: Magnific.com

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Jolyen

As a news editor, I bring stories to life through clear, impactful, and authentic writing. I believe every brand has something worth sharing. My job is to make sure it’s heard. With an eye for detail and a heart for storytelling, I shape messages that truly connect.

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