ChatGPT MCP and Apps: extensions you can try

Open-source CLI RemCTL 2.0 supports MCP and OpenAI MCP Extensions, letting users manage reminders inside ChatGPT for Mac with shortcuts and a ⌘K palette and hand tasks to ChatGPT.

A Chinese-language breakdown of OpenAI's open-source mcp-extensions repo, which adds sidebars, panels, custom viewers, @mentions and settings pages, moving MCP beyond a tool protocol.

A Chinese post on using OpenAI's open-source plugin framework to connect merchant systems, debug locally and package the result as a monthly-fee service.

The new ChatGPT plugin extensions build on MCP and MCP apps, and the repo includes Python and TypeScript packages for extending MCP servers.

Mind the Product built an MCP server that plugs into ChatGPT, Claude, Cursor or VS Code to search 15 years of its product content, events and jobs.

A demo plugin extension install link for ChatGPT plus the mcp-extensions spec document, so you can try the new OpenAI plugin extensions directly.

MCP Apps now lets developers build native apps that run inside ChatGPT and Sites, with automatic app discovery inside conversations.

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.

Oracle shows how the Java MCP Toolkit exposes governed database capabilities to AI, with A2UI and MCP Apps sample code that runs in ChatGPT, Claude, and Gemini.

The open-source tradingview-mcp project on GitHub connects Claude, ChatGPT, and Cursor to real-time market data, technical indicators, screeners, and backtesting tools for stocks, crypto, and forex.

ThreadoX's connectors page fills the MCP URL into Claude in one click or copies it for ChatGPT developer mode, so the AI can draft posts in the user's voice.

Databricks introduces Genie One MCP, which supplies metric definitions and business context to ChatGPT, Claude, and Copilot over MCP while keeping permissions and governance in place.