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Square MCP Integration for OpenAI Agents SDK

Connect Square to OpenAI Agents SDK through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

7 functions 7 read 0 write Bearer token auth
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Connect Square to OpenAI Agents SDK

Attach KosmoKrator integration tools to OpenAI Agents SDK workflows through a local MCP gateway.

Start the KosmoKrator MCP gateway locally and point the OpenAI Agents SDK MCP tool at that process or wrapper. The gateway is local, scoped to this integration, and starts with --write=deny so OpenAI Agents can inspect read-capable tools without receiving write access by default.

Square MCP Config for OpenAI Agents SDK

Use headless JSON commands for CI-style execution and MCP for agent tool discovery.

{
  "mcpServers": {
    "kosmokrator-square": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=square",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=square --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only Square instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

Square Tools Visible to OpenAI Agents

OpenAI Agents sees stable MCP tool names generated from the Square integration catalog.

MCP toolSource functionTypeDescription
integration__square__square_get_current_user square.square_get_current_user Read Get the current authenticated Square merchant account. Returns merchant details including business name, country, currency, and status.
integration__square__square_get_customer square.square_get_customer Read Retrieve a Square customer by ID. Returns full customer details including email, phone, address, and cards on file.
integration__square__square_get_order square.square_get_order Read Retrieve a Square order by ID. Returns full order details including line items, totals, taxes, and discounts.
integration__square__square_get_payment square.square_get_payment Read Retrieve a Square payment by ID. Returns full payment details including amount, status, card details, and processing fees.
integration__square__square_list_customers square.square_list_customers Read List Square customers with optional filtering. Supports pagination with cursor.
integration__square__square_list_orders square.square_list_orders Read List Square orders for a specific location. Requires a location_id. Supports filtering by order states and pagination with cursor.
integration__square__square_list_payments square.square_list_payments Read List Square payments with optional filtering. Supports filtering by location ID, begin_time / end_time (ISO 8601), and pagination with cursor.

Related Square Pages

Square CLIUse direct JSON commands instead of MCP discovery. Square MCPFull gateway reference and MCP tool names. KosmoKrator for OpenAI AgentsClient-level gateway setup.