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Block @block
Harness

Berd

A desktop app for getting work done with any model.

Type
Harness
Updated
2026-08-26
Install

Install

via Positronick CLI

$positronick harness install berd --run

Official

$just setup && just dev

Open-source desktop app from Block for building with AI agents. Tauri 2 and React 19, talking to a Goose backend over ACP. Less chatting, more building.

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Block's open-source workspace where humans and AI agents share rooms — Nostr identities, ACP harness, agent-first CLI, and self-hosted relay.

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Theme