HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.
The System One harness for System One models. Run Jev and other System One models locally or directly on HarnessRouter.ai.
Open-source starter demos for HarnessRouter: run agent harnesses such as Codex and Claude Code as your product backend through one API.