# LittleSis > Track corporate and political power networks and relationships. ## Website https://littlesis.org ## Portal https://littlesis.on.xpay.sh ## MCP Servers ### LittleSis Track corporate and political power networks and relationships URL: https://littlesis.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY Tools: - get_entity: Get detailed information about a specific entity (person or organization) from LittleSis by ID ($0.01/call) - get_entities: Get information about multiple entities at once (up to 300 entities per request) ($0.01/call) - search_entities: Search for entities by name. Results are ranked by number of relationships. ($0.01/call) - get_entity_extensions: Get the types/extensions associated with an entity (Person, Organization, Business, etc.) ($0.01/call) - get_entity_relationships: Get all relationships this entity has with other entities ($0.01/call) - get_entity_connections: Get other entities that this entity has relationships with ($0.01/call) - get_entity_lists: Get the lists that an entity appears on (e.g., Fortune 1000, lobbying lists) ($0.01/call) - get_relationship: Get detailed information about a specific relationship between two entities ($0.01/call) ## Get Started 1. Get an API key at https://littlesis.on.xpay.sh/account/keys 2. Add the MCP server URL to your client config (Claude, Cursor, Windsurf) 3. Pay per tool call from your XPay wallet ## About Powered by XPay — pay-per-use API access for AI agents. https://xpay.sh