ExactMelt for ChatGPT
com.exactmelt/exactmelt-com
Metal and coin melt values
client:ChatGPT
transport:streamable-http
tools:6
Install ExactMelt in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://exactmelt.com/api/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs