LittleSis API Server

LittleSis MCP Server

An MCP (Model Context Protocol) server that provides access to the LittleSis API for tracking corporate power and accountability relationships.

Installing via Smithery

To install littlesis-mcp for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @code-rabi/littlesis-mcp --client claude

API Coverage

This MCP server implements all major LittleSis API endpoints:

Entity Tools

• get_entity - Get detailed information about a specific entity
• get_entities - Get multiple entities at once (up to 300)
• search_entities - Search for entities by name with filtering
• get_entity_extensions - Get entity types/classifications
• get_entity_relationships - Get all relationships for an entity
• get_entity_connections - Get connected entities
• get_entity_lists - Get lists an entity appears on

Relationship Tools

• get_relationship - Get detailed relationship information

Usage Examples

{
    "mcpServers": {
        "littlesis": {
            "command": "node",
            "args": ["dist/index.js"],
            "cwd": "/path/to/littlesis-mcp"
        }
    }
}

Data License

All data accessed through this MCP server is from LittleSis and is licensed under CC BY-SA 4.0.

About LittleSis

LittleSis is a free database of who-knows-who at the heights of business and government. It tracks the revolving door between business and government, political donations, and more.

License

MIT License - see LICENSE file for details.