Full Square integration — manage locations, catalog items, customers, orders, payments, and invoices for your Square merchant account.
Use with AI AssistantsMCP
Connect Claude, Cursor, or any MCP-compatible client — then call tools directly
① Add This MCP Server
Paste into your AI client config — then all its tools are available instantly.
{
"mcpServers": {
"square": {
"url": "https://mcp.aerostack.dev/s/aerostack/mcp-square",
"headers": {
"Authorization": "Bearer YOUR_AEROSTACK_TOKEN"
}
}
}
}Replace YOUR_AEROSTACK_TOKEN with your API token from the dashboard.
② Call a Tool
Ask your AI assistant to call a specific tool, or send raw JSON-RPC:
Natural Language Prompt
“Use the _ping tool to verify square credentials by calling a lightweight read endpoint. used internally by aerostack to validate credentials”
Using a Workspace?
Add this MCP to your Workspace — your team shares one token, secrets are stored securely, and every AI agent in the workspace can call it without per-user setup.
Full Square integration — manage locations, catalog items, customers, orders, payments, and invoices for your Square merchant account.
Live endpoint: https://mcp.aerostack.dev/s/aerostack/mcp-square
This MCP server gives AI agents access to Square via 14 tools. Connect it to any Aerostack workspace and your agents can interact with Square directly.
| Tool | Description |
|---|---|
list_locations | List all Square locations for the merchant account |
get_location | Get details of a specific Square location |
list_catalog_items | List catalog items from the Square catalog |
get_catalog_item | Get a specific catalog object including related objects |
list_customers | List customers in the Square account |
get_customer | Get details of a specific Square customer |
create_customer | Create a new customer in Square |
update_customer | Update an existing Square customer |
list_orders | Search/list orders for a specific location |
get_order | Get details of a specific Square order |
list_payments | List payments for a location within a time range |
get_payment | Get details of a specific Square payment |
list_invoices | List invoices for a location |
get_invoice | Get details of a specific Square invoice |
| Variable | Required | Description |
|---|---|---|
SQUARE_ACCESS_TOKEN | Yes | Your Square access token — found in the Square Developer Dashboard under your application credentials |
Add the following secrets under Project → Secrets:
SQUARE_ACCESS_TOKENOnce added, every AI agent in your workspace can use Square tools automatically.
curl -X POST https://mcp.aerostack.dev/s/aerostack/mcp-square \
-H 'Content-Type: application/json' \
-H 'X-Mcp-Secret-SQUARE-ACCESS-TOKEN: your-square-access-token' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"list_locations","arguments":{}}}'
MIT
Live Endpoint
https://mcp.aerostack.dev/s/aerostack/mcp-square
Sub-50ms globally · Zero cold start
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Yes. The Square MCP includes a create_customer tool that lets Claude create customers in your Square account from a plain-English prompt. You can also update and delete customers — no Square UI needed.
Yes. The Square MCP includes tools to list and retrieve locations from your Square account. Claude can filter, sort, and summarize locations based on your instructions.
Yes. The Square MCP uses the open Model Context Protocol standard, so it works in Claude, Cursor, Windsurf, and any other MCP-compatible AI tool. All 14 Square tools are available everywhere you connect it — install once on Aerostack.
Yes. The Square MCP includes tools to update customers in your Square account. Tell Claude what to change in plain English — it reads the current state and applies the update via the Square API.