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Codex App Server

productactivecodex-app-server-40b9c7ef·1 events·first seen 28d ago

Aliases: Codex App Server

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6Openai Blog·28d ago·source ↗

Unlocking the Codex Harness: How OpenAI Built the App Server

OpenAI published a technical deep-dive on the Codex App Server, a bidirectional JSON-RPC API designed to embed the Codex coding agent into external applications. The server supports streaming progress updates, tool use, human-in-the-loop approvals, and diff outputs. The post explains the architectural choices enabling developers to integrate Codex agent capabilities programmatically.