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.
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One unified API for Codex, Claude Code, Hermes, and more
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Isolated serverless sandboxes for agent workloads
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Unified Harness Protocol open standard
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Streaming sessions, artifacts, retries, and permissions
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Harness × model quality, latency, and cost comparisons
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Add coding agents to SaaS products
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Build agent-powered document, video, deck, and file applications
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Run production agent backends without maintaining the runtime
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Standardize app integrations across multiple harnesses
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Benchmark and optimize harness and model choices
Shopify Apps
Wix Apps
Ecwid Apps
BigCommerce Apps
