Cursor's thousands-of-agents harness evolved by deleting roles: planner, judge, then integrator
morgymcg · x · 2026-09-09
A breakdown of Cursor's harness for running thousands of coding agents: it went through four designs, each improved by removing a role — planner, judge, then integrator. What survived is a recursive planner tree, workers that never talk to each other, and a single handoff message flowing upward.
Related event: Cursor's Agent Harness Improves by Deleting Roles Across Four Iterations(2 posts)→
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