harnessrouter vs agent-harness-generator
harnessrouter: HarnessRouter provides a unified infrastructure layer that transforms various agent harnesses (like Codex and Claude Code) into plug-and-play backends, enabling products to run tasks, retrieve results, and switch between harnesses via a single API. It implements the Unified Harness Protocol (UHP) and offers an OpenAI Responses-compatible API for managing persistent sessions, streaming progress, files, and task lifecycle without complex harness engineering.; agent-harness-generator: MetaHarness is a unique tool that acts as a factory for AI agent frameworks, generating custom, repo-aware agent harnesses from any GitHub repository or a blank slate. It provides a branded, npm-publishable package with a CLI, scoped memory, governance policy, and integration with various agent hosts like Claude Code and OpenAI Codex, all designed to run locally without external servers.
TL;DR
Integrating diverse agent backends into a single product API
Creating a dedicated AI coding agent for a specific project or GitHub repository.
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