Courtlistener MCP Server vs Fedlex MCP

In-depth architectural comparison of the Courtlistener MCP Server and Fedlex MCP 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 Courtlistener MCP Server 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 Courtlistener MCP Server Details

Choose Fedlex MCP 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 Fedlex MCP Details

Feature & Specification Comparison

Specification	Courtlistener MCP Server Legal	Fedlex MCP Legal
Summary	Search US court opinions, federal dockets, judges, citations, and oral arguments via CourtListener.	Swiss federal law via Fedlex SPARQL endpoint
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": {
    "courtlistener-mcp-server": {
      "command": "bunx",
      "args": [
        "@cyanheads/courtlistener-mcp-server@latest"
      ]
    }
  }
}

{
  "mcpServers": {
    "fedlex-mcp-2": {
      "command": "uvx",
      "args": [
        "fedlex-mcp"
      ]
    }
  }
}

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