Pronto for ChatGPT

io.github.eabnelson/pronto

Use your Pronto feed, Spaces, Posts, Artifacts, and agents from any MCP client.

client:ChatGPT transport:streamable-http

Install Pronto in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://pronto.ooo/mcp

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