SerialHunt for ChatGPT

com.bigballi/serialhunt

US bill serial numbers: star note print runs and fancy serial patterns with exact odds.

client:ChatGPT transport:streamable-http tools:4

Install SerialHunt in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://bigballi.com/SerialHunt/mcp

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