Y Combinator Open-Sources QM, Its Internal Multi-Agent Harness

ycombinator · x · 2026-08-01

Y Combinator has open-sourced QM, its internal multi-agent harness, under the MIT license. The project is cloud-first and natively integrates with Slack and Web UI.

Designed to be easily customizable for enterprise use, QM is currently deployed across YC's accounting, legal, events, and engineering teams. Key features include triggers (crons, webhooks), memory, shared files, company brain connectors, agent browser support, shareable web app artifacts, and multiplayer project capabilities.

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