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Builders101

Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Builders101 — Demo video

Collective101 is an AI organization of 101 individually configured agents: one Mission Director, ten department heads (Design, Engineering, Research, Strategy, Operations, Communications, Platform, Assurance, Data, Distribution) and ninety employees. You describe an outcome in chat, and the organization turns it into a finished, reviewed deliverable such as a website, codebase or research report. Every message goes first to the Head of Distribution, who decides whether to reply directly, ask a clarifying question or launch a mission. For a mission, the relevant department heads decide whether they can contribute, coordinate with each other, assign their own employees and report back to the Director. The runtime enforces this reporting hierarchy, along with permissions and bounded recovery. Output is checked by independent reviewer agents and by real execution: JavaScript acceptance checks run in a QuickJS/WebAssembly sandbox, and static sites preview in isolated Chromium. The app has a local mission-control UI with an Organization map, a Chat that accepts text, files, photos and voice, Activity & evidence, and a Connectors catalog (web search and custom MCP tools). Agents can only act through permissioned tools, and each result is backed by recorded evidence.

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