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Codex alpha renews enterprise MCP credentials without replaying refused operations

A merged change in Codex alpha.13 adds renewable enterprise MCP HTTP authentication. It confines bearer tokens to the configured endpoint, rejects redirects, serializes renewals and supports revocation. A 401 becomes an authentication-required error instead of automatically replaying the operation; delayed failures preserve newer credentials. The artifact also repairs asynchronous Guardian context ordering. These are prerelease reliability changes, not general access or a new model.

Published Updated 3 sources

Primary source

OpenAI GitHub · October 1, 2026

Read the original: Codex 0.161.0-alpha.13 release

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