Story · arXiv
Towards the Harness of Embodied Agents (arXiv)
paper · Story page

Thea ports the coding-agent harness pattern to physical robots: every capability is a callable tool, a persistent scene graph stands in for reading world state, and exit-code-style evaluations decide when an action should stop, whether it succeeded, and why it failed.
In plain words
- Researchers built Thea, a control system that helps robots complete lengthy physical tasks by coordinating their available abilities.
- Thea presents each robot ability as a separate action the controlling system can request.
- It keeps an organized, lasting record of objects and their relationships so the system can track the physical world.
- During an action, checks decide when it should stop, whether it worked, and what caused any failure.
- Robot developers can combine reusable abilities while still tracking progress and problems throughout longer jobs.
Appeared in
- Agent leaderboards rank specialization, and the harness thesis reaches robots
Aug 14, 2026 · in the sections
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