address to zip for ChatGPT

jp.addresstozip/address-to-zip

日本の住所⇄郵便番号を変換。表記ゆれも吸収。Japan address ⇄ postal code, handles messy input. Free tier, no API key.

client:ChatGPT transport:streamable-http tools:2

Install address to zip in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://addresstozip.jp/mcp

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