ChatGPT MCP and Apps: extensions you can try

An open-source TypeScript framework where agents call the same actions and data as the UI, and every app is also an MCP server callable from Claude, ChatGPT, Cursor and Codex.

Spline's cloud MCP lets ChatGPT and Codex generate editable 3D scenes and Hana canvas UIs in chat, then publish a shareable link; Cursor and Claude can connect too.

An open-source repo plus Opus 5.5 connects a phone over wireless ADB as an MCP server in Claude Code, so one spoken sentence makes the phone tap and install apps by itself.

Connect a Duel Duck account through its MCP endpoint to create duels or find crypto duels closing this week from inside AI tools, with setup steps for all three platforms.

The official WordPress plugin for ChatGPT is now free for self-hosted WordPress sites, exposing MCP capabilities via Jetpack, with more of these features teased for core.

An MIT-licensed web analytics tool that deploys in one click to your own Cloudflare account and ships an MCP server so coding agents can query your analytics.

A daily open-source roundup covers NVIDIA OpenShell, Claude-Red, OpenFilm, openai/mcp-extensions, Papermorph and MiniMax-M3.1-Flash with a one-line description each.

Suggests turning a project into a ChatGPT Site that also serves as an MCP server, using MCP Events to push updates to Codex and other clients, with a link to OpenAI's docs.

Note-taking app ReticulOS ships 0.13.0 with PDF, video and audio understanding, audio transcription with speaker ID, and an MCP server that lets any AI agent read and write notes.

The author says teams have booked $20k to $500k in new ARR from ChatGPT plugins and lays out steps: turn a paid workflow into focused MCP tools, submit the plugin, and pair it with search visibility.

A look at a free open-source prompt library with over 167,000 GitHub stars, offering ready-made prompts for ChatGPT, Claude and Gemini and usable as a CLI, MCP server or Claude Code plugin.

Describe an options trade in plain English and the AI builds and backtests it, covering 0DTE iron condors, credit spreads and calendars, usable from Claude and ChatGPT.