RRSI: Simple Text-Space Regularizers Boost Robustness of Recursive Self-Improving Agent Harnesses
Kangwook_Lee · x · 2026-09-23
Researchers introduce RRSI (Regularized Recursive Self-Improvement of Agent Harnesses), arguing that recursive self-improvement needs regularization too.
- Weight-space regularization (e.g. L2) relies on blunt priors toward smooth or simple functions
- In text space you can "ask for regularization" directly: disallow benchmark-specific edits, prune complexity, etc.
- RRSI shows a simple set of regularizers meaningfully improves robustness and OOD generalization for harness optimization
Led by @richardxp888.
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