CedarAI Data Depot for ChatGPT

io.github.cedarai/cedar-mcp

Read-only Cedar ARMS railroad data via Cedar login for authorized carriers.

client:ChatGPT transport:streamable-http

Install CedarAI Data Depot in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.arms.cedarai.com/mcp

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