Frontier for ChatGPT

dev.openfrontier/frontier

Discover Frontier inference capabilities and read sanitized usage through read-only tools.

client:ChatGPT transport:streamable-http tools:3

Install Frontier in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://openfrontier.dev/mcp

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