What tools does the japan-law-search-mcp MCP server provide?

japan-law-search-mcp exposes 3 tools: get_law_article, get_law_structure, search_laws. This list was returned by the running server when we connected to it.

Does japan-law-search-mcp require an API key?

No. japan-law-search-mcp answered a tools/list request without credentials.

How do I install japan-law-search-mcp?

Run: claude mcp add --transport http japan-law-search-mcp https://horei-mcp.easakura.workers.dev/mcp. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 27h ago

japan-law-search-mcp

Full-text search of all current Japanese laws (official e-Gov data), down to exact article text.

Web search & scraping

Install

Remote (HTTP)

claude mcp add --transport http japan-law-search-mcp https://horei-mcp.easakura.workers.dev/mcp

Tools 3

GitHub stars —

Installs / wk —

Licence —

Transport streamable-http, sse

Last checked 27h ago

Tools & capabilities

3 tools

Read from the running server on 27h ago.

get_law_article law_id*article*

law_idと条番号を指定して条文の本文を取得する。条番号は「3」「第3条」「第三条の二」「3の2」のいずれの形式でもよい。

get_law_structure law_id*

law_idを指定して法令の構造（章・節・条の見出し一覧）を取得する。どの条文を読むべきか当たりを付けるのに使う。law_idはsearch_lawsの結果に含まれる。

search_laws limitquery*search_in

日本の現行法令（法律・政令・省令など約1万件）を政府公式データベース（e-Gov）から検索する。search_in=full_text（既定）は条文本文の全文検索、search_in=titleは法令名検索。結果のlaw_idをget_law_structure / get_law_articleに渡すと条文を参照できる。