Shirabe Japan Data Hub for ChatGPT

dev.shirabe/hub

Japan data tools for AI agents: calendar (rokuyo), address, name splitting, corporate number lookup

client:ChatGPT transport:streamable-http tools:5

Install Shirabe Japan Data Hub in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://shirabe.dev/mcp

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