Road User Tools for ChatGPT

com.watchandnavy/road-user-tools

Fuel cost, fuel economy, journey time, tyre pressure, power, torque, speed and distance calculators.

client:ChatGPT transport:streamable-http

Install Road User Tools in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://roaduser.tools/mcp

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