Monday, July 27, 2026

AI tool: Nostr/Buzz vs Slack

Jack Dorsey's New App Is Coming for Slack and GitHub (buzz) - YouTube

 Jack Dorsey's company Block just launched Buzz, an open-source workplace platform built on Nostr that puts humans and AI agents in the same Slack-style workspace with their own cryptographic identities. To put it to the test, we set up two AI agents powered by different models and made them compete to build the most secure auth system, with a third agent judging the results.

The video by Better Stack explores Buzz—a new open-source workplace platform launched by Jack Dorsey’s company, Block.


Key Takeaways

  • What is Buzz?

    It combines features of Slack and GitHub with the decentralized Nostr protocol, designed so that both human employees and autonomous AI agents share the same workspace.

  • Cryptographic Identities:

    Every participant (human or AI agent) operates using their own cryptographic identity (Nostr public/private key pair).

  • The AI Competition Demo:

    To test the platform, two AI agents powered by different models were tasked with building a secure authentication system. A third agent, acting as a security auditor named "Hackerman," evaluated and judged their work.

  • Core Differences:

    Buzz aims to simplify multi-agent workflows and collaboration by avoiding the need to juggle dozens of separate terminals or complex harnesses.


Community Feedback & Discussion

  • Mixed Reactions: Viewers in the comments noted that while the interface and git integration are promising for coordinating AI agents, context window limits and high API billing remain practical hurdles.

  • Comparison to Existing Protocols: Commenters frequently compared Buzz to Matrix or existing AI harnesses, questioning whether a Slack-style chat interface is the ideal way humans will interact with AI agents in the long term.


nostr-protocol/nostr: a truly censorship-resistant alternative to Twitter that has a chance of working





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