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Why a Coding Agent's 200 OK Response Is Not Proof Your API Will Work

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Coding agents running in temporary sandbox environments can return a successful HTTP 200 response that misleads developers into thinking their API is production-ready. Because these workspaces are short-lived and non-reproducible, a green health check only confirms that code ran once on a host the team cannot access again. Developers often conflate the agent's shell environment with their own laptops or CI pipelines, since both use similar tooling and syntax. Experts recommend verifying any agent-generated README claims by replaying the exact command sequence on a clean local clone or a pinned CI runner. Free compute sessions and cheap retries can create a false sense of reliability, but billing cost and reproducibility are entirely separate concerns.

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