Preprint
Aug 2026
Permission Denied: Policy-Graded Evaluation of Coding Agents in Hardened Environments
Boundary-Bench is released, an open-source hardening plugin enabling policy-constrained evaluation of coding agents on Terminal-Bench and compatible benchmarks, and task solvability under the strictest policy is verified, separating model failures from tasks the policy forecloses.
Dotan Davidovich, Yair Amar, Hai Rozencwajg et al.
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