Full-text search of all current Japanese laws (official e-Gov data), down to exact article text.
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Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"io-github-easakura-japan-law-search-mcp": {
"command": "<see-readme>",
"args": []
}
}
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Give your AI agent authoritative access to all ~10,000 Japanese laws and regulations.
No automated test available for this server. Check the GitHub README for setup instructions.
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Give your AI agent authoritative access to all ~10,000 Japanese laws and regulations.
This MCP server searches and retrieves the full text of current Japanese legislation — acts, cabinet orders, and ministerial ordinances — from the official e-Gov Laws API (Government of Japan). Built for legal-tech, compliance, HR, and contract-review AI agents working with Japanese law.
Japanese statutes are published as deeply nested XML with kanji numerals, era-based dates, and no convenient full-text API surface for LLMs. This server turns that into three clean, token-efficient tools.
search_lawsFull-text search across the body text of every current law (or search by law title). Returns matched snippets, law categories, promulgation dates, and official links.
get_law_structureTable of contents for any law: chapters, sections, and article headings. Long statutes (e.g. the Civil Code with 1,000+ articles) are automatically compressed to chapter level to save tokens.
get_law_articleRetrieve the exact text of any article. Accepts flexible references — 3, 第3条, 第三条の二, 3の2 — and normalizes kanji numerals automatically. Output preserves paragraph and item numbering as clean plain text.
Official e-Gov Laws API v2 (Government of Japan), fetched live on every call — always the currently enforced revision, including amendments enforced this month.
Pay per tool call. One search, one table of contents, or one article retrieval = one event. No subscription, no minimum.
日本の現行法令(約1万件)を全文検索し、条文を取得できるMCPサーバーです。巨大な法令XMLをAIが読みやすいテキストに整形し、「第三条の二」等の表記ゆらぎも自動吸収します。リーガルテック・コンプライアンス・労務系AIに最適です。
This is a hosted (remote) MCP server, available on Apify Store:
👉 https://apify.com/e-asakura/japan-law-search-mcp
The store page includes setup instructions for Claude, ChatGPT, Cursor, and any MCP-compatible client. Pay-as-you-go: $0.02 per tool call, no subscription.
Built by Edward Asakura — Japanese data infrastructure for AI agents. Part of the SEKISHO series: subsidies / laws / parliament.