Square Model Context Protocol Server (Beta)

A Model Context Protocol (MCP) server for square

→ square/square-mcp-server · listed on mcp_so

Install from

mcp.so

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: ACCESS_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretACCESS_TOKEN— YOUR_SQUARE_ACCESS_TOKEN SANDBOX=true npx square-mcp-server start

configDISALLOW_WRITES— Restrict to read-only operations DISALLOW_WRITES=true

configPRODUCTION— Use Square production environment PRODUCTION=true

configSANDBOX— ACCESS_TOKEN=YOUR_SQUARE_ACCESS_TOKEN =true npx square-mcp-server start

configSQUARE_VERSION— Specify Square API version SQUARE_VERSION=2025-04-16

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/square-square-mcp-server-1lqp72)](https://m8ven.ai/mcp/square-square-mcp-server-1lqp72)

commit: 9aeafc9cd2d9ff70b626123a12849a741ea3a162

code hash: b917ccc0a7053932cb2739c4ed64231efb5df85832fbe9c8276bb2b0da5a5600

verified: 4/18/2026, 5:57:39 PM

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