Agent Harness is a platform now, not just a harness
Why we stopped calling Agent Harness a single fixed execution harness and started calling it what it actually is: a harness development platform with a model benchmark and classification layer built in.
By Agent Software

Scheduled article
This post is scheduled to publish in full on September 1, 2026. The final URL is already live so social previews, search crawlers, and future readers all resolve to the same article.
Agent Harness can still run bounded tasks out of the box, but the more accurate description is a platform for building your own harness and finding out which models actually deserve your trust.
- Final publish date: September 1, 2026
- Primary categories: News
- Tags: #agent-harness #release-notes #local-models #verification
In the meantime, the related posts below cover the adjacent product and engineering context this article builds on.


