How to Connect Square Remote MCP to VS Code

Add Block / Square's remote MCP server to VS Code in about a minute.

🛡️ Official✓ VerifiedSSEOAuth 2.1·https://mcp.squareup.com/sse

Step-by-step

Add to .vscode/mcp.json
Use the deeplink or paste the servers JSON above into .vscode/mcp.json.
Authorize
On first use your client opens a Block / Square OAuth consent screen — approve it and tools become available.
Use in Copilot Chat
Open Copilot Chat in agent mode — the server's tools appear in the tools menu. Verify in the browser: paste https://mcp.squareup.com/sse into remotemcp.net/inspector and run initialize + tools/list.

Troubleshooting OAuth / 401

A 401 Unauthorized on first connect is normal — the endpoint is OAuth-protected; let VS Code finish the browser consent flow.
If the consent window never opens, remove and re-add the server, then retry.
Check the exact challenge at our OAuth debugger.
This server only speaks SSE — make sure VS Code supports the legacy SSE transport.
Run the live endpoint through the online inspector to see the raw JSON-RPC exchange.

SSEhttps://mcp.squareup.com/sse

Install in VS Code →

Or add to .vscode/mcp.json:

{
  "servers": {
    "square": {
      "type": "sse",
      "url": "https://mcp.squareup.com/sse"
    }
  }
}

🔬 Test Live in Online Inspector 🔐 Audit OAuth 2.1 Config

Tools exposed by Square MCP (4)

Tool	Safety	Description	Parameters
list_payments	🟢 Read	List payments taken by the Square seller account.	beginTime: stringlocationId: string
search_orders	🟢 Read	Search Square orders with filters.	locationIds: arrayquery: string
list_catalog_items	🟢 Read	List items in the Square catalog.	cursor: string
create_payment_link	🟠 Write	Create a Square checkout payment link.	description: stringamount: numbercurrency: string

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