Square MCP

Name: Square MCP
Author: Square

by Square

Official Square payment platform integration for AI-powered commerce operations

finance Node.js Intermediate Self-hostable Verified

⭐ 200 stars 📅 Updated: 1mo ago

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Description

Official MCP server from Square for integrating AI assistants with the Square payment platform. Enables processing payments, managing product catalogs, handling customer records, tracking orders, and controlling inventory — all through natural language. Built with TypeScript, it wraps the Square API into MCP-compatible tools that let AI agents operate a complete point-of-sale and commerce backend. Ideal for merchants who want to manage their Square business through conversational AI interfaces.

✅ Best for

Merchants and developers who want AI-driven management of their Square commerce operations

⏭️ Skip if

You use a different POS system or need multi-platform payment processing

💡 Use cases

Processing in-person and online payments through AI assistants
Managing product catalogs and inventory levels via natural language
Tracking and updating customer records and order history
Generating sales reports and business analytics

👍 Pros

✓ Official Square project with full API coverage
✓ Comprehensive commerce toolkit — payments, inventory, catalog, and customers
✓ Sandbox environment for safe development and testing
✓ Well-structured TypeScript codebase with strong typing

👎 Cons

✗ Requires Square merchant account and API credentials
✗ Limited to Square ecosystem — not compatible with other POS systems
✗ Financial operations need careful permission management

🔧 Exposed tools (5 tools)

Tool	Category	Description
manage_catalog	catalog	Create, update, or list items in the product catalog
manage_customers	crm	Create, update, or search customer records
manage_inventory	inventory	Track and update product inventory levels
list_orders	orders	List and filter orders with status tracking
process_payment	payment	Process a payment through Square

⚡ Installation

Prerequisites:

• Node.js v18+
• Square API access token (sandbox or production)
• API key required

Check Claude Code documentation to configure this MCP server.

💡 Tips & tricks

Start with a Square sandbox account for testing. Use the catalog tools to manage your product inventory, and combine with customer tools for personalized commerce workflows.

🔄 Alternatives

PayPal MCP

Official PayPal integration for AI agents — payments, invoicing, and transaction management

Similar functionality

Stripe MCP

Official Stripe AI toolkit for payments, billing, and commerce automation