Wire · technology
Block Releases Buzz, an Open-Source Workspace Where Humans and AI Agents ...
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Fusion42 · 21 July 2026 · Fusion42 review
Block has released Buzz, an open-source workspace built on the Nostr protocol that treats AI agents and humans as equal participants in shared channels with unified cryptographic audit trails. The tool reflects Block's broader pivot toward agent-centric workflows following its 2025 headcount reduction and internal adoption of AI coding agents like Goose.
This Wire brief sits within Fusion42's coverage of AI Agents and Developer Tools, and 2 sources have reported it between 21 Jul 2026 and 23 Jul 2026.
◆ ◆ The Wire takeaway
If you're building agent-first tools or productivity software, Block just showed the market what the native UI for human-AI teams looks like—and gave it away. Your chat app now has a reference architecture to compete against, and a self-hostable alternative your customers will ask for.
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2 sources · first reported 21 Jul 2026 · latest 23 Jul 2026
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