ca-business-check-mcp-server

libra-guo/ca-business-check-mcp-server

3.2

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The CA Business Registration Checker is an MCP server designed to verify business registrations in California using registration numbers.

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CA Business Registration Checker - MCP Server

This is a simple Model Context Protocol (MCP) server that provides a tool to check business registrations in California using registration numbers.

Features

  • Search for business registrations by registration number
  • Returns detailed information about businesses including status, entity type, and more

Requirements

  • Python 3.8+
  • fastmcp package

Installation

pip install fastmcp

Usage

  1. Run the server:

    python main.py

  2. Connect to the server using an MCP client at http://localhost:8000

Tools

get_business_info

Get business information by registration number from the Secretary of State database.

Parameters:

  • registration_number (str): The registration number of the business to look up

Returns:

  • A dictionary containing business registration details or an error message

Testing

To verify the data structure without running the full server:

python test_data.py

This will show an example of the complete business information returned for a valid registration number.

Testing with curl

Once the server is running, you can test it with a curl command:

curl -X POST http://localhost:8000/tools/get_business_info \
  -H "Content-Type: application/json" \
  -d '{"registration_number": "SOS-CA-9876543"}'