Lob for ChatGPT

io.github.pipeworx-io/lob

Lob MCP — US address verification, bulk verification, and autocompletion

client:ChatGPT transport:streamable-http

Install Lob in ChatGPT

Settings → Connectors → Advanced → Developer mode

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

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