Square

Manage customers, orders, items, payments, and commerce operations across the Square API platform through Square’s MCP server.

Features

• Payment Ecosystem: Complete payment processing including Apple Pay, cards, checkouts, refunds, and payouts
• Customer & Loyalty: Customer management, segmentation, groups, loyalty programs, and custom attributes
• Catalog & Inventory: Product catalogs, inventory tracking, categories, and item management
• Order Management: Order processing, custom attributes, and comprehensive order lifecycle
• Business Operations: Locations, merchants, team management, labor tracking, and workforce tools
• Point of Sale: Cash drawers, Square devices, Terminal management, and in-person transactions
• Bookings & Appointments: Appointment scheduling, booking management, and custom booking attributes
• Gift Cards & Subscriptions: Gift card activities, subscription management, and recurring billing
• Financial Management: Bank accounts, dispute handling, invoice management, and vendor relations
• Integration Tools: Webhooks, OAuth authentication, Square Online sites, and code snippets
• AI-Powered Access: Natural language interface to 25+ Square API services through unified tools

What you’ll need to connect

No Setup Required: Authentication is handled automatically through OAuth workflow.

Known Issues

GPT-4.1 is generally not able to format its API requests correctly when calling the make_api_request tool. Claude Sonnet 4 works better.