Infini-AI-Lab releases Hermit, an open-source harness adapter framework for AI agents

Infini-AI-Lab has released Hermit v0.1.0, an Apache-2.0 framework that trains an external harness adapter while the agent's model and harness stay frozen. With GLM 5.3 Flash, the MWM adapter reached 0.795 accuracy on CL-Bench versus 0.580 for the in-context baseline.

• Hermit v0.1.0 shipped October 25, 2026, under Apache-2.0
• MWM adapter scored 0.795 on CL-Bench vs 0.580 baseline
• Ships five evolution methods: GEPA, SkillOpt, MWM, Harness², Continual Harness
• Results are single runs and self-reported