LegalMCP — Agent Integration Guide¶

What is LegalMCP?¶

LegalMCP is an authoritative legal knowledge base with: - Full text of legislation across multiple jurisdictions - Complete revision history — see any law as it was on any date - Semantic + full-text hybrid search - Cross-references and entity graph - Automatic updates from official government sources

Currently Indexed Jurisdictions¶

Call get_knowledge_base_status() for live coverage. Coverage expands continuously — check before assuming a jurisdiction is unavailable.

Quick Start (Claude Desktop / Cursor / Windsurf)¶

Add to your MCP config:

{
  "mcpServers": {
    "legalmcp": {
      "url": "https://legalmcp.ru/mcp",
      "headers": {"Authorization": "Bearer YOUR_TOKEN"}
    }
  }
}

The server provides a system prompt automatically — no additional configuration needed.

7 Tools¶

Tool	When to use
`get_knowledge_base_status`	Start here — discover available jurisdictions
`search_documents`	Any legal question — hybrid semantic + full-text search
`get_document_by_id`	Full text of a specific article
`get_document_history`	How did a law change over time?
`search_changes`	What changed since date X? NEW/AMENDED/TECHNICAL
`get_document_graph`	Cross-references, penalties, related entities
`report_missing_data`	Request missing document indexing

Recommended Workflow¶

Start session → get_knowledge_base_status()
                        ↓
User question → search_documents(query)
                        ↓
        Need full text? → get_document_by_id(id)
        Need history?  → get_document_history(id, start_date)
        Need changes?  → search_changes(since_date)
        0 results?     → get_knowledge_base_status() to check coverage
        Still missing? → report_missing_data(title, context)

Why Use LegalMCP Instead of LLM Training Data?¶

Training data may be outdated or imprecise for legislation
LegalMCP has exact current wording with article numbers
Revision history shows what was in effect on any specific date
Agency letters and court interpretations alongside primary law

Collection Filters¶

Use doc_type for broad filtering:

doc_type	What it includes
`primary`	Codexes and statutes
`interpretive`	Agency letters and court decisions
`procedural`	Government decrees and ministerial orders

Or use collections for precise filtering (e.g. code.tax, law.federal).

search_changes — Change Tracking¶

# All changes since Jan 2025
search_changes("2025-01-01")

# Only meaningful changes (skip technical edition updates)
search_changes("2025-01-01", exclude_technical=True)

# Changes with semantic filter
search_changes("2025-01-01", query="tax rates", doc_type="primary")

# Changes in a specific period
search_changes("2024-01-01", until_date="2024-12-31")

Each result includes change_type: - NEW — document added for the first time - AMENDED — text changed (includes diff summary) - TECHNICAL — edition update without text change