mini-Lean-agent shows modern models ace theorem proving with just bash access

wellecks · x · 2026-10-21

tomasortega's mini-Lean-agent, a minimal harness for Lean theorem proving, is gaining traction. His take: systems requiring complex lean search tools and heavy scaffolding may be overkill — modern models perform very well with just bash access. wellecks amplified it as part of the broader minimal-harness trend, a useful design signal for anyone building math/proof agents.

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