How to Use the Square MCP in Windsurf

Q: What if I need to find payments across all my Square locations?

First, run liststorelocations to get all IDs. Then, tell Windsurf to iterate over those IDs and call listpayments for each one. It handles the looping logic.

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Connect Square MCP to Windsurf

Create your Vinkius account to connect Square to Windsurf — we handle the hosting, security, and runtime updates so you don't have to. No server setup required.

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Setup Square with Windsurf

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Multi-step Order Reconciliation using MCP Server

Need to figure out if an order paid through Square matches the inventory? You set the goal, and Windsurf figures out the steps. It can grab the `get_order_details` first, then use that info to check current stock levels via `get_stock_count`. It links these tools automatically: it pulls the payment metadata with `get_payment_details`, cross-references the customer using `get_customer`, and gives you a single report of what went down.

Cross-Channel Customer Search

Don't waste time jumping between screens. Windsurf chains together searches so you don't have to. Start by listing all customers with `list_customers`, then narrow the focus using `search_customers`. If you need details on a payment linked to that customer, it handles the whole flow: get the ID from the search result, and then run `get_payment_details` automatically.

Processing Payments Across Multiple Locations

Managing payments isn't just about one store. Windsurf manages that complexity for you. You tell it to check all locations using `list_store_locations`, and then run a payment query against each one. It executes the full cycle: list payments with pagination (`list_payments`), making sure every single location gets checked, streamlining your entire operational review.

Setup guide

Set up Square MCP in Windsurf

Prerequisites

Windsurf IDE installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the Square MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my Square payment history." If connected, Cascade will call the Square tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

{
  "mcpServers": {
    "square-alternative-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Square. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Square MCP in Windsurf

Just set the goal in Windsurf. You don't need to write API calls; you just tell it to find the order details using `search_orders`. The agent figures out which location IDs are needed and executes the query.

Yep. You can set a goal like 'Verify this refund.' Windsurf will automatically call `get_payment_details` to see the transaction type, then potentially use `get_customer` if the refund is linked to an account.

Windsurf handles core customer records. It can retrieve basic customer details via `get_customer`, but remember that while it accesses the name and ID, you're responsible for how you store or use the PII.

First, run `list_store_locations` to get all IDs. Then, tell Windsurf to iterate over those IDs and call `list_payments` for each one. It handles the looping logic.

Absolutely. You can set a goal: 'Check stock in store X.' The MCP Server will run `get_stock_count` and report back the current levels, giving you real-time visibility.

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