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OpenAI Apps MCP

If you're building ChatGPT Apps and want to use MCP servers instead of OpenAI's native approach, this lets you deploy tools and interactive widgets on Cloudflare Workers. It's basically a bridge between ChatGPT and the Model Context Protocol using JSON-RPC 2.0, with support for rendering HTML/JS UIs in iframes. Production ready as of January 2026, though worth noting it's aimed at ChatGPT Business/Enterprise/Edu users since that's where Apps are available. The repo has solid traction with 800+ stars and passes most security audits. Useful if you're already invested in MCP tooling and want to extend it to ChatGPT without rewriting everything for their API.

GitHub stars
960
last updated
Aug 21, 2026

Install

$ npx -y skills add jezweb/claude-skills --skill 'OpenAI Apps MCP' --agent claude-code

Installs into .claude/skills of the current project.

Files

If you're building ChatGPT Apps and want to use MCP servers instead of OpenAI's native approach, this lets you deploy tools and interactive widgets on Cloudflare Workers. It's basically a bridge between ChatGPT and the Model Context Protocol using JSON-RPC 2.0, with support for rendering HTML/JS UIs in iframes. Production ready as of January 2026, though worth noting it's aimed at ChatGPT Business/Enterprise/Edu users since that's where Apps are available. The repo has solid traction with 800+ stars and passes most security audits. Useful if you're already invested in MCP tooling and want to extend it to ChatGPT without rewriting everything for their API.

Browse the repository on GitHub

Sponsors

Details

Repository
github.com/jezweb/claude-skills
Categories
Frontend Development, Backend & APIs, DevOps & CI/CD, AI & Agent Building, Debugging, Cloud & Infrastructure
First seen
Jun 3, 2026

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