Korea Business Verify (KBV) for ChatGPT

io.github.wonderfulian/kbv-server

Real-time Korean business verification via NTS. 10 free calls/day, then pay-per-call (x402).

client:ChatGPT transport:streamable-http tools:3

Install Korea Business Verify (KBV) in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://kbv-server-f7vfitmlkq-du.a.run.app/mcp

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