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TL;DR

Square is a Payments MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent square payment processing, inventory management, and point-of-sale integration. Install in 1 minute with mcpizy install square.

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Square

Install verified

Payments

Last updated September 4, 2026 · By MCPizy team

Square payment processing, inventory management, and point-of-sale integration.

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Repo audit: 69/100 — showing real gaps — check it still fits your needs

Scored on licence, adoption, maintenance and documentation of square/square-mcp-server. We show the grade whether it flatters the server or not.

no commit for 5 months · 106 stars · Apache-2.0 licence · 15 open issues

Read the full audit on CheckMCP

Install Square

Via MCPizy CLI (recommended):
mcpizy install square
Or run directly:
npx -y square-mcp-server
View on GitHub

Works with

Claude Code
Claude Desktop
Cursor
Windsurf
VS Code + Copilot
Any MCP Client

More Payments MCPs

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Mercado Pago

Payment processing for Latin America. Checkout, subscriptions, and QR payments.

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Stripe

Payment processing and subscription management

Alternatives to Square

If Square doesn't fit your stack, these Payments MCP servers solve similar problems.

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PayPal

Integrate with PayPal APIs for payments, invoicing, and transaction management.

🐱

RevenueCat

Manage in-app purchases and subscriptions. Revenue tracking and subscriber analytics.

🐝

Chargebee

Connect AI agents to Chargebee subscription billing platform. Manage subscriptions and invoices.

Frequently asked questions

What is the Square MCP server?

Square is listed as an Payments Model Context Protocol server whose documented purpose is to let an MCP-compatible agent square payment processing, inventory management, and point-of-sale integration. Client support, permissions and authentication remain specific to the upstream project.

How do I install Square MCP with Claude Code?

The fastest way is the MCPizy CLI: run `mcpizy install square` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y square-mcp-server` and restarting Claude Code.

Does MCPizy charge to view or install Square MCP?

No. Reading this profile and copying its install guidance is free. Upstream software, API, account or usage costs are separate, and licence coverage should be checked from the linked source when available.

Does Square MCP work with Cursor and Windsurf?

The MCP standard is supported by those clients, but a specific server can still have client-specific setup or transport limits. Use the configuration shown on this page when present and verify the upstream instructions before installation.

What can I do with Square MCP?

Its documented purpose is to let an MCP-compatible agent square payment processing, inventory management, and point-of-sale integration. The exact tools, permissions and write capabilities depend on the server version and configuration shown by the upstream project.

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