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Square MCP

Connector Data & Analytics Usable

Vendor-official Square MCP server (beta). Payment processing, catalog management, and merchant operations from Claude.

95 starsApache-2.0 (commercial OK)FreeNo code needed
Fair rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Vendor-official Square MCP (beta) for payment processing, catalog management, and merchant operations. Connects Claude to Square's commerce platform.

Developers building on Square's APIs who want Claude to manage product catalogs, query transactions, and test payment flows.

Claude Code Claude Cowork Claude Chat

https://github.com/square/square-mcp-server

How to Get It

Option 1: Claude Desktop AppOpen the Customize panel in the sidebar → browse connectors → search and add. Works in Claude Code, Claude Cowork, and Claude Chat.
Option 2: Paste into Claude CodeCopy the command below and paste it into a Claude Code conversation. Claude will run it for you.
Command
claude mcp add square

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

CostFree

Trust Signals Source Reviewed

Stars95Contributors4Last updated2026-02-14LicenseApache-2.0 (OK for commercial use)Known CVEsNone found

Data & Access

Data processingPrompts sent to Anthropic API. Enterprise/Team plans exclude training.

Community Pulse Growing

Discussed on Reddit

9 mentions across 1 sources

Reviewer notes

Source Reviewed review. These are observations, not a security certification.

Vendor-official beta. 50 stars. Payment + catalog + merchant operations.

Vendor-official MCP server. Hosted by the vendor. Connectors are account-scoped (JJ Englert finding).

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation

Ease of Use
3/5
Versatility
2/5
Reliability
4/5
Security
4/5
Overall score3.15 / 5.00 UsableEvaluatedApr 2026
Vendor-official beta. 50 stars. Payment + catalog + merchant operations.

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