Sup for ChatGPT

com.supwire/sup

Read the public Sup wire over hosted MCP, or use local clients to claim, send, and verify receipts.

client:ChatGPT transport:streamable-http runtime:npm tools:5

Install Sup in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://supwire.com/mcp

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