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OpenAI Apps MCP

77 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a coding skill usually runs build and test commands.

By coco-research/coco (GitHub) · coding · 630 stars · scanned at commit cd89f01

Build ChatGPT apps with MCP servers on Cloudflare Workers. Extend ChatGPT with custom tools and interactive widgets (HTML/JS UI). Use when: developing ChatGPT extensions, implementing MCP servers, or troubleshooting CORS, widget 404s, MIME types, ASSETS binding errors, Next.js integration issues, or edge platform limitations.

Works with any agent that supports SKILL.md skills.

What this skill can do

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Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'openai-apps-mcp' ] || [ -L ~/.agents/skills/'openai-apps-mcp' ]; then echo 'A skill folder named openai-apps-mcp already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/coco-research/coco' "$d" && git -C "$d" checkout --quiet 'cd89f013b617f7eea982a9bbc60e992974fda2aa' -- 'skills/openai-apps-mcp' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/openai-apps-mcp' ~/.agents/skills/'openai-apps-mcp' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'openai-apps-mcp' ~/.claude/skills/'openai-apps-mcp' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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