Google just open-sourced its Harness²
It's a plug-and-play framework for recursive agent harnessing in an open world.
Agents can perform, and learn from, tasks its harness was never designed for.
Built around 8 components:
1. System prompt
2. Guardrails
3. Memory
4. Tool guidance
5. Subagents
6. Skills
7. Scripts
8. Plugins
Link: