Japan Law vs Lex — Temporal Luxembourg and EU Law

In-depth architectural comparison of the Japan Law and Lex — Temporal Luxembourg and EU Law MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Japan Law when:

• You need dedicated capabilities in the Legal domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Japan Law Details

Choose Lex — Temporal Luxembourg and EU Law when:

• You need dedicated capabilities in the Legal domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Lex — Temporal Luxembourg and EU Law Details

Feature & Specification Comparison

Specification	Japan Law Legal	Lex — Temporal Luxembourg and EU Law Legal
Summary	Japan Law MCP — Japanese national laws & ordinances via the e-Gov Law API.	Temporal search and comparison for official Luxembourg and reviewed EU law, with provenance.
Category & Scope	Legal	Legal
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "japan-law": {
      "command": "npx",
      "args": [
        "-y",
        "japan-law"
      ]
    }
  }
}

{
  "mcpServers": {
    "lex-temporal-luxembourg-and-eu-law": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@0.1.38"
      ]
    }
  }
}

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