OFAC Entity Search MCP Server

A minimal MCP server that searches OFAC entities by name using the Sanctions List Service API.

Installation

pip install -r requirements.txt

Local Usage

Run the stdio server:

python server.py

Run the HTTP server:

python server_http.py

The server communicates via stdio and can be used with Watson Orchestrate or any MCP-compatible client.

Fly.io Deployment

The app is deployed to Fly.io as ofac-entity-search.

Deploy

flyctl deploy -a ofac-entity-search

Endpoints

• GET /health - Health check
• GET / - API information
• GET /search?name={name} - Search entities by name
• POST /search - Search entities by name (JSON body: {"name": "..."})
• GET /mcp/tools - List available MCP tools

Tool

search_entity_by_name

Searches OFAC entities by name.

Parameters:

• name (string, required): The name to search for

Example:

{
  "name": "John Doe"
}

API Endpoint

Uses: GET https://sanctionslistservice.ofac.treas.gov/entities