WHAT NEW IN X10.29 THU

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chatgptPOST

OpenAI releases plugin extensions and open-sources mcp-extensions

OpenAI open-sourced its plugin extensions framework, letting developers build apps inside ChatGPT on the same MCP and MCP Apps platform used for its own features.

Max Stoiber
@mxstbrArchived 27 days agoOriginally posted 2026.09.30
Max Stoiber @mxstbrOriginally posted 2026.09.30
Open original on X

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

x.com/mxstbr/status/2104992334438154414Archived 2026.10.01 15:14