REVIEWED & READY TO INSTALL
System One Harness
harnessrouter/systemoneharness
Open-source harness that turns a System One decision model such as TypeSafe's Jev into an agent loop: one model call per step, only declared actions, risk-based confidence gates and complete traces. Works with Python processes, MCP servers, browsers and the UHP protocol.
STEP BY STEP
Install guide
The full step-by-step guide lives in a Google Docs document.
Open the guide in Google DocsUpdated 9/23/2026- GitHub stars
- 125
- Language
- Python
- Added
- 9/23/2026
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