QuoteBench: How Matched Scores Can Hide Command-Path Failures

LLM coding agents issue Bash commands through interfaces that may serialize, wrap, and reparse model output. Matched execution scores alone cannot distinguish command-generation errors from failures introduced after generation. QuoteBench measures this boundary with exact final-state validation on 56 one-shot tasks from 14 incident-derived families, crossing the generation contract with the execution transport around one deliberately unescaped added parser. Escaping at the interpolation point re

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ethics.ai (13 August 2026), “QuoteBench: How Matched Scores Can Hide Command-Path Failures,” evidence record 19433, https://ethics.ai/record/19433 (originally published by arXiv cs.AI).

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