About
LittleSis is a free database that maps relationships between business and government, tracking corporate influence, political donations, board memberships, and the revolving door between public office and private industry. Key features: - Search for entities (corporations, people, organizations) by name with advanced filtering - Retrieve detailed entity information and classifications - Query relationship networks including political contributions, business associations, and social connections - Map connections between entities to uncover influence pathways - Access curated lists tracking powerful individuals and organizations - Full API coverage for integrating corporate accountability data into research workflows Data accessed through this server is licensed under CC BY-SA 4.0.
README
LittleSis MCP Server
[](https://smithery.ai/server/@code-rabi/littlesis-mcp)
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 entityget_entities - Get multiple entities at once (up to 300)search_entities - Search for entities by name with filteringget_entity_extensions - Get entity types/classificationsget_entity_relationships - Get all relationships for an entityget_entity_connections - Get connected entitiesget_entity_lists - Get lists an entity appears onRelationship Tools
get_relationship - Get detailed relationship informationUsage 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.
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