ChatGPT MCP and Apps: extensions you can try

An MCP-enabled Lagos Life plugin is now available in ChatGPT, Claude, Cursor, OpenClaw and other AI assistants.

OpenAI's MCP Extensions adds ChatGPT-specific capabilities to MCP servers, including sidebar entry points, custom file handlers, forms and app interfaces, with TypeScript and Python SDKs under Apache 2.0.

The Plugin extensions announced at OpenAI DevDay also have a Python SDK, with the package on PyPI and the repository on GitHub.

The open-source third-party Teams client adds MCP support, letting ChatGPT query Teams content through a plugin even when a school does not allow external integrations.

The author connected the eToro Builders MCP connector to ChatGPT and generated a donut chart of their portfolio breakdown from a single prompt, with a tutorial in the comments.

At DevDay, Vibhor Chhabra described plugin extensions, MCP event watching, and ChatGPT Sites hosting MCP servers, while noting reliability and discovery work remains.

AINotes collects the tools named in this week's YouTube videos, including OpenAI MCP Extensions, Docker Sandboxes, and OpenShell.

A component library site positioned as the shadcn/ui equivalent for ChatGPT, Claude and MCP apps.

The author argues the new ChatGPT/Codex UI's left-hand navigation is groundwork for a plugin ecosystem, and OpenAI has open-sourced an mcp-extensions spec so plugins like Figma and Adobe can appear as top-level entries.

A walkthrough of Plugin Extensions in ChatGPT/Codex: opening Canva from the sidebar, editing text and font size while previewing, and adding an ImageGen illustration as the cover.

The author uses Sites plus a custom MCP server to build a project hub where chats log versioned progress reports, each checkpoint triggers a webhook to an assistant that sends updates and can dig into details on request.

Connecting the Studios MCP gives ChatGPT and Claude access to Studios image and video models, with generation from presets or custom characters and direct post sharing.