How do I use LittleSis MCP?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@LittleSis MCP find connections between Goldman Sachs board members and government officials" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

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

Related MCP server: Linear MCP Server

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.