Explore MCP Extensions through an interactive CAD parts library in ChatGPT and Codex. Browse sample parts, inspect CAD files, and try sidebar apps, file viewers, composer mentions, forms, settings, citations, and deep links. Available features depend on host support.
Check the marketplace listing or publisher’s documentation for supported actions and examples.
Ranking history
Browse the order shown in the public ChatGPT Plugins directory on each capture date. Popular is a curated collection. OpenAI does not publish install or usage counts here.