How to Connect MCP to Codex with Arcade.dev

Arcade.dev provides a secure and efficient way to integrate Codex with third-party services like Google Calendar, Microsoft Word, and Linear by acting as an action runtime and routing gateway. By managing downstream token vaulting, OAuth authentication, and structured execution logs, Arcade eliminates the risks associated with local storage of service credentials, reducing configuration sprawl and enhancing tool reliability. The integration enables Codex to autonomously perform actions such as scheduling calendar events, creating documents, and managing project issues directly from the editor without exposing sensitive credentials to the Codex model context. This setup not only improves engineering efficiency but also ensures secure and reliable execution of authenticated actions by using Arcade's token management and execution infrastructure, thus avoiding common pitfalls like parameter hallucination and credential leaks associated with raw MCP tool wrappers.

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