PermitInfoBroker for ChatGPT

com.permitinfobroker/permits

Daily US building permits for 30 cities and counties. Free counts; records paid per call via x402.

client:ChatGPT transport:streamable-http tools:7

Install PermitInfoBroker in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://permitinfobroker.com/mcp

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