Harness profile

OpenHands

MITPython85k GitHub stars (Aug 2026)

MakerAll-Hands-AI

LicenseMIT

StackPython

ModelsAny model; ACP client

Runs whereSelf-hosted with an optional Docker sandbox

Behavior changed byMarkdown and config

Durable memoryConfigurable

Drives other agentsYes (via ACP)

Best for

Self-hosting with a sandbox you control, and driving other agents from one place.

Main weakness

The sandbox protects the filesystem, not the bill: it loops on ambiguous problems, and Docker-in-Docker is awkward on a locked-down laptop.

Official docs / repo · Not sure? Run the chooser

Profile facts from the winder.ai comparison of nine agent harnesses (table checked Aug 19, 2026; DeepSeek Harness star count updated Sep 25, 2026 from the live GitHub repo) and vendor documentation. If something here is stale, the vendor page wins - tell us via the kit signup and we will fix it.