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Japan Law Search

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

Connector by easakura · GitHub account verified by the MCP Registry

IndexedMITRemote (HTTP)Remote (SSE)
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/easakura-japan-law-search-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoints

  • https://horei-mcp.easakura.workers.dev/mcp Remote (HTTP)
  • https://horei-mcp.easakura.workers.dev/sse Remote (SSE)

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About

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

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
3 read · 0 write · 0 deleteRead-only
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 3

Read from the source code; the running server may list different tools.

Read 3 · Look things up without changing anything.

  • get_law_article
  • get_law_structure
  • search_laws

Network hosts it talks to 1

  • horei-mcp.easakura.workers.dev · found in remote endpoint, install command

Tools (3)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • get_law_article法令の条文本文を取得

    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法令の目次（章・条の一覧）を取得

    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日本の法令を検索

    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。

Signals

Stars
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Forks
0
Open issues
0
Last commit
Jul 10, 2026 (3 months ago)
Last release
Jul 13, 2026 (3 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.easakura/japan-law-search-mcp
Version
1.0.0
Auth
Auth not stated
License
MIT
Repository
github.com/easakura/japan-law-search-mcp
First seen
Oct 24, 2026
Last checked
Nov 1, 2026
Source
Official MCP Registrygithub-graphql

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Cite this page

Japan Law Search MCP server. Agent Mart. https://agentmart.dev/connectors/easakura-japan-law-search-mcp (last updated 2026-11-01)