Unified Harness Protocol brings Jev into multi-agent frameworks
The open-source UHP protocol lets harnesses like Codex and Claude Code run through one interface, and System One, powered by Jev, is on the supported list.
FINALLY, AN OPENROUTER FOR AGENT HARNESSES. Devs just open-sourced a plug-and-play infrastructure layer that lets you run different agent harnesses through one interface. Including: → Codex → Claude Code → Hermes → DeepSeek Harness → System One, powered by JEV → 9+ more harnesses The interesting part? You can bring JEV into the same product that already uses Codex, Claude Code, or another supported harness without building separate implementations for sessions, streaming, files, cancellation, and failure handling. Everything runs locally. The Unified Harness Protocol (UHP) provides the common task interface with an OpenAI Responses-compatible API. So instead of rebuilding your infrastructure every time you switch harnesses, you get one layer that handles the common plumbing. REPO: http://github.com/HarnessRouter/… Want to dive deeper? The article below walks through setting up JEV from scratch. Check it out ↓
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