Global coordination of proof agents beats local repair in formal theorem proving

Maestro uses a single coordinator to diagnose failures and orchestrate retries, fact addition, or replanning, outperforming prior provers on math and software benchmarks.

Big Tech
Haoyu Li · Zeren Shui · Yuhao Zhang · Ferhat Erata · Benjamin Mikek · Murali Krishna Ramanathan · +1 more

University of Illinois Urbana-Champaign · AWS AI Labs · Georgia Institute of Technology

Research Digest··2 min read
The authors present Maestro, an agentic framework for Lean proof development that replaces local repair of failed subgoals with global coordination.

The authors design Maestro, a Lean prover harness that uses a single coordinator to oversee multiple worker agents attacking open proof obligations.

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