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Netherlands Legal Research MCP Server (nl-legal-mcp)

Model Context Protocol (MCP) server providing direct, read-only access to Netherlands (NL) legislation, multi-tier judicial decisions (First Instance, Regional/Cantonal/Appellate, and Supreme/Constitutional courts), and statutory citation verification for Claude Desktop, Cursor, and Antigravity.


Quick Desktop Setup (No Command Line Required)

This package includes a graphical installer for legal practitioners who prefer not to use terminal commands or edit JSON configuration files manually.

  1. Download: Click <> Code at the top right of this repository, select Download ZIP, and extract the folder to your computer.

  2. Run the Setup Utility:

    • Windows: Double-click Click_Here_To_Install_Windows.bat

    • macOS: Double-click Click_Here_To_Install_Mac.command

  3. Connect: Click Install & Connect Automatically in the setup window and restart Claude Desktop.

System Integrity Note: The setup utility operates strictly in read-only mode with respect to your personal files and documents. It installs an isolated Python environment inside the extracted folder and registers the server entry in your AI client configuration.


Related MCP server: Hungary Legal Research MCP Server

Multi-Tier Judicial Hierarchy & Official Sources

This server indexes and queries decisions across the full judicial hierarchy of Netherlands, allowing practitioners to filter research by procedural stage:

Judicial Tier

Covered Courts & Tribunals

Tier 1 — First Instance

11 Rechtbanken (Amsterdam, Rotterdam, Den Haag, Midden-Nederland, Oost-Brabant, Gelderland, Noord-Holland, Noord-Nederland, Overijssel, Limburg, Zeeland-West-Brabant)

Tier 2 — Regional / Cantonal / Appellate

4 Gerechtshoven (Amsterdam, Arnhem-Leeuwarden, Den Haag, 's-Hertogenbosch), Centrale Raad van Beroep (CRvB) & College van Beroep voor het bedrijfsleven (CBb)

Tier 3 — Supreme & Constitutional

Hoge Raad der Nederlanden (HR) & Afdeling bestuursrechtspraak van de Raad van State (RVS)

  • National Legislation Registry: Wetten.overheid.nl (KOOP Open Data SRU API) (https://zoekservice.overheid.nl/sru/Search)

  • Multi-Tier Case Law Database: Rechtspraak.nl Open Data API (All 11 Rechtbanken, 4 Gerechtshoven & Hoge Raad) (https://data.rechtspraak.nl/uitspraken/zoeken)

  • Supported Citation Format Example: ECLI:NL:HR:2024:100 or BW Boek 6 Art. 162

Indexed Court & Regional Sub-Portals

Sub-Portal Identifier (sub_court)

Official Endpoint / Registry

rechtspraak_all_tiers

https://data.rechtspraak.nl/uitspraken/zoeken


Available MCP Tools

Tool

Description

search_legislation

Searches enacted statutes, codes, decrees, and official gazette publications in Netherlands.

search_case_law

Searches national jurisprudence and European/ECLI-linked judgments for Netherlands.

search_tiered_court_decisions

Filters case law specifically by judicial instance (first_instance, appellate_regional, supreme_constitutional) or regional/cantonal court key (sub_court).

list_court_hierarchy

Returns the complete 3-tier court structure and registered sub-portal endpoints for Netherlands.

get_legal_document_markdown

Retrieves full statutory or judicial texts and converts them into clean Markdown.

verify_citation

Validates statutory and case law citations against official registries.


{
  "mcpServers": {
    "nl-legal-mcp": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/jurisatlas/nl-legal-mcp",
        "nl-legal-mcp"
      ]
    }
  }
}

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