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.
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"address-to-zip": {
"url": "https://addresstozip.jp/mcp"
}
}
}Remote endpoints
https://addresstozip.jp/mcpstreamable-httpWhat it can do
Tool inventory
Tools (2)
🟡search_address(address, limit)
日本の住所文字列から郵便番号を検索する。番地・建物名付きでも町名まで解釈する。ローマ字・英語表記(例: Marunouchi, Chiyoda-ku, Tokyo)でも検索可。結果には日本郵便準拠のローマ字表記(romaji)を含む。 / Look up a Japanese postal code from an address string. Tolerates messy input (full-width digits, hyphen variants, street numbers and building names) and resolves down to the town level. Romaji/English input is accepted. Results include Japan Post romaji.
Input Schema
{
"type": "object",
"properties": {
"address": {
"type": "string",
"description": "検索する住所(例: 東京都千代田区丸の内 / Marunouchi, Chiyoda-ku, Tokyo) / Japanese address to look up.",
"maxLength": 256
},
"limit": {
"type": "integer",
"description": "返却件数の上限(1-50・既定10) / Max results (1-50, default 10).",
"minimum": 1,
"maximum": 50
}
},
"required": [
"address"
]
}🟡lookup_zipcode(zipcode)
郵便番号から住所を逆引きする。100-0005 または 1000005 形式に対応(全角数字・ハイフン有無は不問)。結果には日本郵便準拠のローマ字表記(romaji)を含む。 / Reverse lookup: get the Japanese address for a postal code. Accepts 100-0005 or 1000005 (full-width digits and missing hyphens are fine). Results include Japan Post romaji.
Input Schema
{
"type": "object",
"properties": {
"zipcode": {
"type": "string",
"description": "郵便番号(例: 100-0005 または 1000005。全角数字・ハイフン有無も可) / Japanese postal code, 7 digits."
}
},
"required": [
"zipcode"
]
}Recommended Prompts
search_addresssearch_addresssearch_addresssearch_addressCommunity
Evidence