An agent combines a model with a harness that runs tools and manages state. With local models, the harness matters more because small windows expose design flaws. This guide ranks 11 open-source harnesses by their documentation quality. Readers assessed repo facts from GitHub on September 18, 2026. The ranking weighs four factors: license type, local runtime docs, maintenance status, and safety controls.
Source: https://www.marktechpost.com/2026/09/18/best-open-source-agent-harnesses-for-local-llms-in-2026/
