MapPoster for ChatGPT

xyz.mapposter/mapposter

Design map posters of any place in 50+ styles, with names, dates and markers, and order prints.

client:ChatGPT transport:streamable-http tools:3

Install MapPoster in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.mapposter.xyz/mcp

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