Photon for ChatGPT

io.github.pipeworx-io/photon

Photon MCP — OSM geocoder

client:ChatGPT transport:streamable-http

Install Photon in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://gateway.pipeworx.io/photon/mcp

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