Princeton-backed Choir open-sources a protocol for multi-agent autoformalization on GitHub
burny_tech · x · 2026-10-03
A Princeton-led team supported by DARPA's expMath program released Choir, an open protocol for distributed multi-agent autoformalization, aiming to scale formal proofs beyond individual mathematicians.
- How it works: A human overseer runs an orchestrator agent locally; its plan is decomposed into tasks on a GitHub repo, which any contributor can claim and work with their own agent, billed to their own account.
- Trust: Every pull request passes a deterministic trust gate before human review and merge.
- Compatibility: Modular, open source, works with Lean 4, Isabelle, and Rocq; default planner/orchestrator are swappable and fit into existing workflows.
- A demo repo (ProbMethodCombinatorics) shows the full pipeline; a preprint accompanies the release.
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