Copy-on-Write Scoring: Application-Specific Agent Evaluations
Trustworthy deployment of LLM-based agents in software systems requires evaluating how they perform on application-specific workflows, with enough granularity to localize where they succeed and fail. Yet existing agent evaluation mechanisms are limited: benchmarks have low construct validity for application-specific workflows and environments, and replica evaluation environments are expensive and prone to drift. We propose Copy-on-Write (CoW) Scoring, a framework that evaluates agent operations directly within application environments using a PostgreSQL-level Copy-on-Write mechanism to isolate agent writes. CoW Scoring produces session- and operation-level scores that highlight where agen...
| Authors | Joanna Roy, Sven Hoelzel |
|---|---|
| Primary category | cs.SE |
| Published | 15 July 2026 |
| Last updated at source | 15 July 2026 |
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