japanlaw.org — Japanese law

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "japanlaw-org-japanese-law": {
      "type": "http",
      "url": "https://japanlaw.org/mcp"
    }
  }
}

9 tools

• search

  日本の法令についての質問（有給休暇、解雇予告、留学生のアルバイト、在留資格、確定申告など）に、根拠となる条文を探す。 Find what Japanese law says on a question asked in words — paid leave, notice of dismissal, a student's part-time work, 有給休暇, 解雇予告 — and the provisions to quote and link. Search the Japanese statutes japanlaw.org holds…

• fetch

  Read in full a law or provision search found, by its id. A provision's id (labor-standards-act/art-36) returns it as Markdown: the Japanese text with each paragraph's English under it, every English line marked as the Ministry of Justice's translation, the Ministry's with a slip…

• list_laws

  Check whether japanlaw.org holds a law, and find the name to pass as law. Every law japanlaw.org holds — or only those of one kind (法律 Act, 政令 Cabinet Order, 省令 Ministerial Order…), of one topic, or whose names hold query's words — each with its Japanese and English title, kind…

• get_law

  What a Japanese law is for, who it applies to, and its chapters and articles. One law: titles, number, kind, when the text in force took effect, the texts held (versions: in force, not yet in force, no longer in force, each with the days it stands), how much of it has the…

• get_provision

  日本の法令の条・項・号の本文を読む。引用や説明の前に確かめる（改正で文言が変わっていることがある）。 Read the text of an article, paragraph or item of a Japanese law, to quote or explain it: the wording may have changed since a model learned it. One article, paragraph or item of a law, with everything under it. Call it with law…

• get_citing_provisions

  Find the provisions that refer to a given one — in the same law, in other laws, and in the Cabinet and Ministerial Orders (政令, 省令) that set the details it leaves to them: every provision in the laws japanlaw.org holds that cites the given one. Each with its law, designation, the…

• get_definitions

  What a word means in a Japanese law that defines it. The words a law defines for itself (定義語): inside that law, and only as far as each definition reaches, the word means what the statute says, not what it means in everyday speech or in another law. For each, the statute's own…

• get_amendments

  What an amendment to a Japanese law changes, and when; for what changes across every law between two days, list_changes. A law's amendments whose changes japanlaw.org holds: the amending Act (titles, law number), the day it takes effect, whether it is in force, not yet in force…

• list_changes

  What changes in Japanese law between two days, across every law japanlaw.org holds — 来年施行される改正、4月1日に変わる法令 — or one law's, or one topic's. Each change: the day it takes effect (day: on that day; by, a day a Cabinet Order sets, that day at the latest; open, not set yet), whether…

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