OpenAI's MCP Extensions put plugins in ChatGPT's sidebar: 13 features and the portability bill
This story is from 2026-10-04. It is preserved in the archive; the latest stories are on the live feed.
OpenAI quietly published openai/mcp-extensions on September 29. It is an Apache-2.0 repository with a specification, a TypeScript SDK ( @openai/mcp-extensions ) and a Python SDK ( openai-mcp-extensions ), currently at 0.1.0. The one-line pitch from the README: build plugins that feel like native, f…
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- 2026-10-04 16:10 · DEV Community — AI
OpenAI's MCP Extensions put plugins in ChatGPT's sidebar: 13 features and the portability bill