djtellado/nexus-legal-mcp

Overview

Nexus Legal is an open-source Model Context Protocol server that provides multi-jurisdictional legal analysis across Spain, Latin America, and the European Union. It exposes 11 tools for use with MCP-compatible clients like Claude Desktop, Claude Code, and Cursor, enabling automated legal research and document review.

Best for

Best for
Developers building legal tech tools or workflows that need cross-jurisdictional legal analysis in Spanish and EU contexts.

Use cases

• Analyze legal documents across Spanish, Latin American, and EU jurisdictions
• Automate legal research queries through Claude or Cursor interfaces
• Integrate multi-jurisdictional legal checks into development workflows

How to use

Tools exposed

• nexus_analyze
• nexus_consulta
• nexus_draft
• nexus_audit
• nexus_monte_carlo
• nexus_doctrina
• nexus_opinion
• nexus_redteam
• nexus_adversarial
• nexus_cross_border_compare
• nexus_jurisprudencia_search

Tested with

Claude Desktop, Claude Code, Cursor

Example client config

{\n  "mcpServers": {\n    "nexus-legal": {\n      "command": "npx",\n      "args": ["-y", "@nexus-legal/mcp"],\n      "env": {\n        "NEXUS_API_KEY": "nlk_TU_CLAVE_AQUI"\n      }\n    }\n  }\n}

Notes

Nexus Legal is an open-source Model Context Protocol server that provides multi-jurisdictional legal analysis across Spain, Latin America, and the European Union. It exposes 11 tools for use with MCP-compatible clients like Claude Desktop, Claude Code, and Cursor, enabling automated legal research and document review.

1 stars on GitHub. Last updated 2026-05-17. Licensed MIT.

Use cases

• Analyze legal documents across Spanish, Latin American, and EU jurisdictions
• Automate legal research queries through Claude or Cursor interfaces
• Integrate multi-jurisdictional legal checks into development workflows

Pros

• Covers multiple legal jurisdictions in a single tool
• Works with popular MCP clients for flexible integration
• Open-source and written in TypeScript for easy customization

Cons

• Very early stage with only 1 GitHub star and limited community adoption
• Legal accuracy and completeness depend on underlying data sources not specified
• Requires MCP-compatible client setup, adding integration overhead

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.