Fantasma for ChatGPT

io.fantasma/mcp

Build and publish Ghost themes with your AI agent: pages, styles, patterns and previews.

client:ChatGPT transport:streamable-http

Install Fantasma in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.fantasma.io/api/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs