Can Claude Code Use Square? MCP Setup, Live Check (2026)

Q: Can Claude Code use Square?

Yes. Add it with claude mcp add --transport http. Square runs an official remote MCP server (mcp.squareup.com). Checked live on 2026-10-27.

Can Claude Code use Square?

Updated October 27, 2026 · from live checks of 50,180 MCP servers · Methodology

Yes.Add it with claude mcp add --transport http. Square runs an official remote MCP server (mcp.squareup.com). Checked live on 2026-10-27.

Official Square route

Square runs its own MCP server.

Endpoint: https://mcp.squareup.com/sse
Sign-in: Sign-in required (OAuth)
In the official MCP Registry: No. Published through Square's own docs or domain.

Checked 2026-10-27. Spotted something out of date? Tell us →

Built a third-party Square MCP server? Get the Verified vendor label so buyers can tell yours from the other 0 ($49/mo) Get Verified →

Remote Square servers

Server	Publisher	Status	Sign-in	Tools	Trust
Square hosted MCP server `mcp.squareup.com`	Official · Square-hosted	Live · sign-in	OAuth (official)	—	—

How to add Square to Claude Code

Remote server: run claude mcp add --transport http <name> <url>.
Local server: run claude mcp add <name> -- <command> with the install command from the server page.
Run /mcp inside Claude Code to sign in.

Menus change, so check Anthropic's Claude Code MCP docs. Every server page has a copy-paste config for Claude Code.

Is it safe to connect Square to Claude Code?

Use the official server run by Square. Anything a tool returns is sent to the AI vendor, so use a business plan that doesn't train on your data.

Can ChatGPT or Claude connect to Square?

See https://canmyaiuse.pages.dev/can/chatgpt/square/ and https://canmyaiuse.pages.dev/can/claude/square/

Does Square have an official MCP server?

Yes. Square hosts one at mcp.squareup.com. It isn't listed in the official MCP Registry; we found it on Square's own domain. Checked 2026-10-27. Full list: https://canmyaiuse.pages.dev/apps/square/

Put your server here

Featured placement on Square and other Finance & Payments pages, where people check whether their AI can connect.

Feature your server — $149/mo Category Takeover — $399/mo

Featured placements are paid and labelled. They never change rank. How we rank · How to get discovered (free guide)

Built a Square MCP server? No official one is listed yet. Get Verified — $49/mo for the “Verified vendor ✓” label.