ChatGPT MCP and Apps: extensions you can try

Kent C. Dodds introduces Kody's MCP Events and Skills extensions, which can wake ChatGPT and let Codex retrieve stored skills through MCP.

A developer used the new OpenAI MCP Extensions API to place an Android emulator beside the chat, letting users watch the agent work or take over, check Logcat, and send screenshots or recordings back.

A Japanese developer combined Sites, Page, and Plugin Extensions to add a persistent new screen in ChatGPT showing monthly living costs and keirin race information.

A developer used DevDay's plugin extensions to embed a game in the ChatGPT chat interface, replacing the native conversation UI so users can play there directly.

Part 2 of an Arabic series covers choosing a data provider, setting up an MCP server, and connecting it through ChatGPT Apps developer mode or Claude Connectors.

Part 1 of a seven-part series explains what MCP is, how it connects market data sources like Alpaca, and why ChatGPT and Claude connect differently.

The author shares the full prompt that has ChatGPT build a double_number tool with a Japanese UI and Plugin extensions entry points, then deploy it to Sites.

A developer notes that Plugin extensions, which come from MCP Apps, work best together with MCP server hosting on ChatGPT Sites, and plans to test it.

A Japanese video explains how Plugin Extensions embed product UI and workflows into ChatGPT, covering sidebars, interactive panels, @mentions and MCP basics, with the OpenAI Developers plugin as an example.

Any ChatGPT user can add a custom MCP server via plugins, and the author asks for equally simple buttons to see, disable, and remove each connection.

A user who started using Notion because of its MCP support and ChatGPT plugin says the plugin can't create or edit buttons and asks for more tools to be added.

A video walkthrough of ChatGPT plugin extensions covers plugin settings, rich forms, and display modes, using a parent content-checking example.