ChatGPT MCP and Apps: extensions you can try

Open-source ThriftyRelay 0.4.1 adds GPT-6.1 Terra support and lets users pick medium-to-max tiers across standard and higher-end workers.

A Paris DevDay hack project called GLUE builds a dedicated MCP plugin so GPT/Codex conversations can drive camera-equipped hardware, starting in ChatGPT and continuing on device.

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.

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.

Spline's ChatGPT and Codex plugin opens a live 3D editor beside the conversation to create and edit interactive 3D scenes, and Claude can connect via MCP too.

Craig Dennis builds a cookie clicker on ChatGPT Sites with a database for click counts and MCP tools, demoing ChatGPT querying the count and Codex CLI clicking the cookie, with chaptered video.

The author built a ChatGPT MCP extension for Forkable so they can order lunch while Codex works, with a screenshot.

An AI-built Taiwan mahjong game offers a web version and a host-capable app, plus HTTP and MCP interfaces so Claude Code, Codex and other AIs can play against you.

Connecting Codex to a signed-in Chrome session failed with this error; the real cause was a macOS Files & Folders permission attributed to iTerm2, not ChatGPT.

A four-step guide to adding UEFN's built-in MCP server to Codex in the Windows ChatGPT desktop app so the AI edits scripts until the build compiles.

An open-source MCP tool lets ChatGPT operate a computer to write code, run commands, use browsers and manage GitHub, bypassing usage limits.

AmpCode launched an MCP that lets the ChatGPT or Codex app hand tasks directly to Amp, a feature the poster had been waiting for.