HarnessRouter Goes Open Source, Unifying Agent Harness Access

YC-backed HarnessRouter has been open-sourced under Apache-2.0, introducing a Unified Harness Protocol (UHP) that lets developers run and switch between agent harnesses like Codex and Claude Code through a single API.

2026-08-19 ~ 2026-08-19 · 2 related posts

• HarnessRouter: Open-source unified interface for agent harnesses — ycombinator · 2026-08-19
• HarnessRouter goes open source: swap Codex, Claude Code and Hermes behind one API — aigclink · 2026-08-19