Public Domain Check for ChatGPT

io.github.chomkaevan/public-domain-check

Is a book, film or song public domain in the US, UK, EU, Canada or Japan? Pay per call via x402.

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

Install Public Domain Check in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://public-domain-check-production.up.railway.app/copyright/mcp

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