Square MCP Server

A Model Context Protocol (MCP) server that provides access to Square API functionality.

Setup

Install dependencies:


uv sync

Set environment variables:


# Required
export SQUARE_ACCESS_TOKEN=your_access_token_here
 
# Optional - defaults to 'sandbox' if not set
export SQUARE_ENVIRONMENT=sandbox  # or 'production' for production environment

Run the server:


uv pip install .
square-mcp

Or for development:


source .venv/bin/activate
mcp dev src/square_mcp/server.py

Environment Variables

Variable	Required	Default	Description
`SQUARE_ACCESS_TOKEN`	Yes	-	Your Square API access token
`SQUARE_ENVIRONMENT`	No	`sandbox`	Square API environment (`sandbox` or `production`)