This is really cool, especially since it's just built on top of

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This is really cool, especially since it's just built on top of MCP and MCP apps, great use of the extensions spec

super excited to announce plugin extensions today 🎉 you can now use the exact same platform we use to build ChatGPT features like meetings, health, finance, and many others 🤯 all based on the same MCP & MCP Apps you’re already used to: https://github.com/openai/mcp-extensions