Korean Law MCP

What it does

This MCP server connects AI assistants to the comprehensive legal database of the Ministry of Government Legislation (MOLEG). It allows AI to search, retrieve, and analyze Korean laws, precedents, administrative rules, autonomous regulations, and treaties in real-time.

Tools

• chain_full_research: Comprehensive research across laws, precedents, and interpretations.
• search_law: Search for specific laws to obtain IDs and master identifiers.
• get_law_text: Retrieve the full text of specific legal articles.
• get_annexes: Access schedules, forms, and fee tables from legal documents.
• search_decisions: Integrated search across 17 domains including Supreme Court, Constitutional Court, and Tax Tribunal.
• get_decision_text: Retrieve full text for decisions from the 17 supported domains.
• chain_law_system: Analyze legal hierarchy and delegation structures.
• chain_action_basis: Identify the legal basis for administrative actions and penalties.

Installation

Add the following to your claude_desktop_config.json (replace YOUR_OC_KEY with your MOLEG API key):

{
  "mcpServers": {
    "korean-law": {
      "command": "npx",
      "args": ["-y", "korean-law-mcp"]
    },
    "env": {
      "LAW_OC": "YOUR_OC_KEY"
    }
  }
}

Supported hosts

Confirmed for Claude Desktop, Cursor, Windsurf, Zed, and Claude.ai (via HTTP endpoint).