cff-version: 1.2.0 message: "If you use this software or the case-study data, please cite it as below." title: "greencheck: auditing self-reported instruments in long-running agents" abstract: >- A dependency-free checker for one rule: a number is not a measurement until it has been observed to take different values on inputs that are known to differ. Ships a taxonomy of six ways a self-reported metric can be correct code and still measure nothing, and a case study over six instruments of an autonomous agent that ran continuously for roughly two months. authors: - name: Simon version: 0.2.0 date-released: 2026-09-22 license: MIT type: software keywords: - autonomous-agents - self-report - observability - falsification - metrics - reproducibility