법마디(Lawmadi) OS — Korean Legal AI

60 specialized AI legal agents with real-time statute verification via law.go.kr

lawmadi.com · MCP Endpoint · API Docs

What is Lawmadi OS?

Lawmadi OS is a Korean legal AI service that routes your legal question to the most relevant specialist among 60 domain-specific AI agents. Every statute citation is verified in real-time against Korea's official legislative database.

Key Features

• 60 Legal Domains — Labor, housing, divorce, criminal, tax, corporate, IP, immigration, and 52 more

• Real-time Statute Verification — Every cited law article is checked against law.go.kr (DRF API)

• Bilingual — Korean & English (lang: ko / lang: en)

• MCP Compatible — Works with Claude Desktop, Cursor, and any MCP client

• Free Tier — 2 queries/day, no auth required

Architecture

User Query
    │
    ▼
┌─────────────┐
│  NLU Router  │  ← Regex + keyword + fallback classification
└──────┬──────┘
       │ selects 1 of 60 specialist agents
       ▼
┌─────────────────────────────────┐
│  3-Stage Legal Pipeline         │
│                                 │
│  Stage 0: Query Classification  │  (parallel)
│  Stage 1: RAG Statute Search    │  (parallel)
│  Stage 2: Gemini LLM Analysis   │
│  Stage 3: DRF Verification      │  ← real-time law.go.kr check
└─────────────────────────────────┘
       │
       ▼
  Verified Legal Response

Quick Start

As an MCP Server (Recommended)

Add to your Claude Desktop claude_desktop_config.json:

{
  "mcpServers": {
    "lawmadi": {
      "url": "https://lawmadi.com/mcp"
    }
  }
}

As a REST API

# Ask a legal question
curl -X POST https://lawmadi.com/ask \
  -H "Content-Type: application/json" \
  -d '{"query": "부당해고를 당했는데 어떻게 해야 하나요?", "lang": "ko"}'

# English
curl -X POST https://lawmadi.com/ask \
  -H "Content-Type: application/json" \
  -d '{"query": "My landlord won't return my deposit", "lang": "en"}'

Self-Hosting

git clone https://github.com/peter120525-cmd/lawmadi-os-v60.git
cd lawmadi-os-v60
cp .env.example .env  # Fill in your API keys
pip install -r requirements.txt
python main.py

Required: GEMINI_KEY, LAWGO_DRF_OC (law.go.kr API key), PostgreSQL

API Endpoints

60 Legal Domains

Civil Law · Real Estate · Construction · Urban Redevelopment · Medical Law · Damages · Traffic Accidents · Lease & Housing · Government Contracts · Civil Enforcement · Debt Collection · Registry & Auction · Commercial Law · Corporate & M&A · Startup & Venture · Insurance · International Trade · Energy & Resources · Maritime & Aviation · Tax & Finance · IT & Cybersecurity · Criminal Law · Entertainment · Tax Appeals · Military Law · Intellectual Property · Environmental Law · Trade & Customs · Gaming & Content · Labor & Employment · Administrative Law · Fair Trade · Space & Aerospace · Privacy & Data Protection · Constitutional Law · Cultural Heritage · Juvenile Law · Consumer Protection · Telecommunications · Human Rights · Family & Divorce · Copyright · Industrial Accidents · Social Welfare · Education & Youth · Pension & Insurance · Venture & New Industries · Arts & Culture · Food & Health Safety · Multicultural & Immigration · Religion & Tradition · Media & Press · Agriculture & Livestock · Marine & Fisheries · Science & Technology · Disability Rights · Inheritance & Trust · Sports & Leisure · Data & AI Ethics · General Legal

Tech Stack

• Backend: Python, FastAPI, Google Cloud Run

• LLM: Gemini Flash (via Vertex AI)

• Database: Cloud SQL (PostgreSQL 17)

• Law Data: law.go.kr DRF API (real-time verification)

• Frontend: Firebase Hosting

• MCP: fastapi-mcp

• Payments: Paddle

Tests

pytest tests/ -v  # 282 tests

License

AGPL-3.0 — You may use, modify, and distribute this software. If you run a modified version as a network service, you must release your source code under the same license.

Copyright (c) 2025-2026 peter120525-cmd