OpenAI Releases MCP Extensions with TypeScript and Python SDKs
October 1, 2026
OpenAI launched MCP Extensions to integrate ChatGPT-specific features like file handlers and sidebar entry points into external applications. Developers can now utilize provided TypeScript and Python SDKs to extend model capabilities.
HOW THIS AFFECTS YOU
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builderYou can now build deep integrations that bring custom file handlers directly into the ChatGPT interface.