fbi-crime-data-mcp 0.2.0

MCP server for the FBI Crime Data Explorer API

FBI Crime Data MCP Server

An MCP (Model Context Protocol) server that provides access to the FBI's Crime Data Explorer API. Query crime statistics, arrest data, hate crimes, NIBRS incidents, law enforcement employment, and more — directly from Claude or any MCP-compatible client.

Quick Start

1. Get a free API key from api.data.gov

2. Run with Claude Desktop — add to your claude_desktop_config.json:

{
  "mcpServers": {
    "fbi-crime-data": {
      "command": "uvx",
      "args": ["fbi-crime-data-mcp"],
      "env": {
        "FBI_API_KEY": "your-api-key-here"
      }
    }
  }
}

3. Or run directly:

FBI_API_KEY=your-key uvx fbi-crime-data-mcp

Available Tools (15)

Core Crime Data

Tool	Description
get_summarized_crime_data	SRS crime data — rates, actuals, clearances for violent crime, property crime, homicide, rape, robbery, assault, burglary, larceny, motor vehicle theft, arson
get_nibrs_data	NIBRS incident-based data for 70+ offense types
get_arrest_data	Arrest statistics by offense with optional demographic breakdowns (sex, race)
get_crime_trends	National crime trend percent changes across 10 crime types
get_nibrs_estimation	NIBRS national estimates by state, region, agency type, or population size

Specialized Crime Data

Tool	Description
get_hate_crime_data	Hate crime incidents by bias motivation (30+ categories)
get_expanded_homicide_data	Supplementary Homicide Reports — victim/offender demographics, weapons, circumstances
get_expanded_property_data	Expanded property crime details — stolen/recovered values for burglary, larceny, MVT, robbery

Law Enforcement Data

Tool	Description
get_police_employment	Officer and civilian employee counts by gender, rates per 1,000 population
get_leoka_data	Officers killed and assaulted — weapons, circumstances, demographics
get_lesdc_data	Law enforcement suicide data — demographics, race, duty status, and more
get_use_of_force_data	Use of force incidents resulting in death, serious injury, or firearm discharge

Reference & Lookup

Tool	Description
lookup_agency	Find law enforcement agencies by state, ORI code, or judicial district
get_reference_data	State lists, offense/bias code lookups, data refresh dates
manage_cache	View cache stats, clear all entries, or clear only expired entries

Data Sources

All data comes from the FBI's Crime Data Explorer API, which provides Uniform Crime Reporting (UCR) data including both the Summary Reporting System (SRS) and the National Incident-Based Reporting System (NIBRS).

API Rate Limits

• Registered key: 1,000 requests per hour (rolling window)
• DEMO_KEY: 30 requests per IP per hour

The server includes a built-in rate limiter (1,000 req/hr). The DEMO_KEY limit is enforced API-side.

Development

# Install dependencies
uv sync

# Run the server locally
FBI_API_KEY=your-key uv run fbi-crime-data-mcp

# Run tests
uv run pytest

License

MIT