Alibaba Qoder Open-Sources Better Harness: An Open-Source Analysis and Continuous Improvement Tool for Programming Agent Workflows From Alibaba Cloud

TL;DR AI
2 min readKey summary
Alibaba Cloud’s Qoder open-sourced Better Harness on GitHub, a framework for evaluating and improving coding agent workflows.
The project connects harness engineering practices, evaluation models, and runnable implementations for agent tools like Claude Code and Codex.
It can assess session behavior, repository setup, and agent-specific customization, and was first tested on 30 GitHub projects.
The goal is to give teams a common way to measure whether coding agents actually use available tools and settings, making results more reliable and comparable.



