Yargı MCP

Overview

Yargı MCP is a FastMCP server that provides programmatic access to Turkish judicial decision databases for Claude and other LLMs. It offers comprehensive legal research capabilities with 13 different legal institutions, 79 filtering options, and 19 tools.

Supported Institutions

• Yargıtay (Court of Cassation - Turkey's Supreme Court for civil and criminal matters): Decision search with 52 chamber filters
• Danıştay (Council of State - Supreme Administrative Court): Comprehensive access through three different API sources
• Anayasa Mahkemesi (Constitutional Court): Constitutional review and individual application decisions
• KİK (Public Procurement Authority): Procurement decisions and appeals
• Rekabet Kurumu (Competition Authority): Competition law decisions
• Sayıştay (Court of Accounts - Supreme Audit Institution): Audit decisions across 8 chambers
• KVKK (Personal Data Protection Authority - Turkey's GDPR equivalent): Data protection decisions
• BDDK (Banking Regulation and Supervision Agency): Banking regulatory decisions

Features

• 79 Filtering Options: Detailed filtering by chamber/board
• Multi-API Support: Multiple data sources per institution
• Date Range Filter: ISO 8601 date range support
• Full-text Search: Exact phrase matching with quotes
• Markdown Conversion: Legal documents converted to readable format
• 61.8% Token Optimization: Reduced from 14,061 to 5,369 tokens
• Semantic Search: Optional semantic ranking via OpenRouter API

Installation

Quick Setup (Remote MCP - No Installation Required)

URL: https://yargimcp.fastmcp.app/mcp

Claude Desktop Setup

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

Usage Examples

• "Search recent labor case decisions from the 9th Civil Chamber of the Court of Cassation"
• "Find Constitutional Court decisions on freedom of expression"
• "Show Public Procurement Authority appeal decisions from the last 3 months"
• "Find precedent decisions on data breaches from the Data Protection Authority"

Tools (19 Core + 1 Optional)

Search Tools: search_bedesten_unified, search_emsal_detailed_decisions, search_anayasa_unified, search_kik_decisions, search_rekabet_kurumu_decisions, search_sayistay_genel_kurul, search_kvkk_decisions, search_bddk_decisions

Document Retrieval: get_bedesten_document_markdown, get_emsal_document_markdown, get_anayasa_document_unified, get_kik_document_markdown

License

MIT License