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  5. LittleSis

LittleSis logo

LittleSis

8 tools

$0.01/call

Track corporate and political power networks and relationships

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Get Entity
get_entity

Get detailed information about a specific entity (person or organization) from LittleSis by ID


flat

$0.01/call

Get Entities
get_entities

Get information about multiple entities at once (up to 300 entities per request)


flat

$0.01/call

Search Entities
search_entities

Search for entities by name. Results are ranked by number of relationships.


flat

$0.01/call

Get Entity Extensions
get_entity_extensions

Get the types/extensions associated with an entity (Person, Organization, Business, etc.)


flat

$0.01/call

Get Entity Relationships
get_entity_relationships

Get all relationships this entity has with other entities


flat

$0.01/call

Get Entity Connections
get_entity_connections

Get other entities that this entity has relationships with


flat

$0.01/call

Get Entity Lists
get_entity_lists

Get the lists that an entity appears on (e.g., Fortune 1000, lobbying lists)


flat

$0.01/call

Get Relationship
get_relationship

Get detailed information about a specific relationship between two entities


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$0.01/call

Connect LittleSis tools
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Cursor

Claude Code

Claude Desktop

Windsurf

VS Code

Cline

Roo Code

ChatGPT

Gemini CLI

Amazon Q

Goose

Augment

n8n

API / cURL

AI SDK

TypeScript SDK

Add to ~/.cursor/mcp.json
{
  "mcpServers": {
    "littlesis": {
      "url": "https://littlesis.mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}
Or connect all tools

Access all tools (including LittleSis) through a single MCP connection.

https://mcp.xpay.sh/mcp?key=***
{
  "mcpServers": {
    "xpay": {
      "url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}
Agent Discovery

Machine-readable catalogs for LLM agents and automation.

llms.txt — Human-readable tool catalog
curl https://xpay.tools/llms.txt
agents.txt — Structured JSON for agents
curl https://xpay.tools/agents.txt
skill.md — Claude Code skill
curl https://xpay.tools/skill.md
Pricing

Pay per tool call. No subscriptions.

8 LittleSis tools available
Frequently Asked Questions

LittleSis is an API provider available on xpay with 8 tools. Track corporate and political power networks and relationships All tools are pay-per-call with no monthly fees.

LittleSis tools are priced at $0.01/call. You only pay when you use a tool — there are no subscriptions or monthly fees. New accounts get $5 in free credits to try any tool.

Add xpay's MCP server to your AI client (Claude Code, Cursor, VS Code, Windsurf, or Cline) with the endpoint: https://mcp.xpay.sh/mcp?key=YOUR_API_KEY. Once connected, use xpay_discover to find LittleSis tools, then xpay_run to execute them. For Claude Code: claude mcp add --transport http xpay "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"

LittleSis provides 8 tools: get entity, get entities, search entities, get entity extensions, get entity relationships, and 3 more. Each tool can be called independently and has its own pricing.

No. With xpay, one API key gives you access to all 8 LittleSis tools plus 1000+ tools from 80+ other providers. You don't need to sign up for LittleSis's API directly — xpay handles authentication, billing, and rate limiting.

Yes. Every new xpay account gets $5 in free credits. You can use these credits to try any LittleSis tool — no credit card required. Sign up at xpay.tools to get started.

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