The world's first unified interface for agent harnesses.
HarnessRouter is the world's first unified interface for agent harnesses. Plug Codex, Claude Code, Hermes, and other agent harnesses directly into your app or backend. HarnessRouter introduces the Unified Harness Protocol (UHP), an open standard for connecting applications to different agent harnesses through one unified interface.
HarnessRouter Key Features
One unified API for Codex, Claude Code, Hermes, and more
Isolated serverless sandboxes for agent workloads
Unified Harness Protocol open standard
Streaming sessions, artifacts, retries, and permissions
Harness × model quality, latency, and cost comparisons
HarnessRouter Use Cases
Add coding agents to SaaS products
Build agent-powered document, video, deck, and file applications
Run production agent backends without maintaining the runtime
Standardize app integrations across multiple harnesses
Shopify Apps
Wix Apps
Ecwid Apps
BigCommerce Apps
