Square MCP Server

Square MCP Server

A server that enables interaction with Square's API via Goose, supporting queries for locations, customers, and more with context preservation and MCP-compliant responses.

Category
Visit Server

Tools

payments

Manage payment operations using Square API Args: operation: The operation to perform. Valid operations: Payments: - list_payments - create_payment - get_payment - update_payment - cancel_payment Refunds: - refund_payment - list_refunds - get_refund Disputes: - list_disputes - retrieve_dispute - accept_dispute - create_dispute_evidence Gift Cards: - create_gift_card - link_customer_to_gift_card - retrieve_gift_card - list_gift_cards Bank Accounts: - list_bank_accounts - get_bank_account params: Dictionary of parameters for the specific operation

terminal

Manage Square Terminal operations Args: operation: The operation to perform. Valid operations: Checkout: - create_terminal_checkout - search_terminal_checkouts - get_terminal_checkout - cancel_terminal_checkout Devices: - create_terminal_device - get_terminal_device - search_terminal_devices Refunds: - create_terminal_refund - search_terminal_refunds - get_terminal_refund - cancel_terminal_refund params: Dictionary of parameters for the specific operation

orders

Manage orders and checkout operations Args: operation: The operation to perform. Valid operations: Orders: - create_order - batch_retrieve_orders - calculate_order - clone_order - search_orders - pay_order - update_order Checkout: - create_checkout - create_payment_link Custom Attributes: - upsert_order_custom_attribute - list_order_custom_attribute_definitions params: Dictionary of parameters for the specific operation

catalog

Manage catalog operations Args: operation: The operation to perform. Valid operations: - create_catalog_object - batch_delete_catalog_objects - batch_retrieve_catalog_objects - batch_upsert_catalog_objects - create_catalog_image - delete_catalog_object - retrieve_catalog_object - search_catalog_objects - update_catalog_object - update_item_modifier_lists - update_item_taxes params: Dictionary of parameters for the specific operation

inventory

Manage inventory operations Args: operation: The operation to perform. Valid operations: - batch_change_inventory - batch_retrieve_inventory_changes - batch_retrieve_inventory_counts - retrieve_inventory_adjustment - retrieve_inventory_changes - retrieve_inventory_count - retrieve_inventory_physical_count - retrieve_inventory_transfer params: Dictionary of parameters for the specific operation

subscriptions

Manage subscription operations Args: operation: The operation to perform. Valid operations: - create_subscription - search_subscriptions - retrieve_subscription - update_subscription - cancel_subscription - list_subscription_events - pause_subscription - resume_subscription - swap_plan params: Dictionary of parameters for the specific operation

invoices

Manage invoice operations Args: operation: The operation to perform. Valid operations: - create_invoice - search_invoices - get_invoice - update_invoice - cancel_invoice - publish_invoice - delete_invoice params: Dictionary of parameters for the specific operation

team

Manage team operations Args: operation: The operation to perform. Valid operations: Team Members: - create_team_member - bulk_create_team_members - update_team_member - retrieve_team_member - search_team_members Wages: - retrieve_wage_setting - update_wage_setting Labor: - create_break_type - create_shift - search_shifts - update_shift - create_workweek_config Cash Drawers: - list_cash_drawer_shifts - retrieve_cash_drawer_shift params: Dictionary of parameters for the specific operation

customers

Manage customer operations Args: operation: The operation to perform. Valid operations: Customers: - list_customers - create_customer - delete_customer - retrieve_customer - update_customer - search_customers Groups: - create_customer_group - delete_customer_group - list_customer_groups - retrieve_customer_group - update_customer_group Segments: - list_customer_segments - retrieve_customer_segment Custom Attributes: - create_customer_custom_attribute_definition - delete_customer_custom_attribute_definition - list_customer_custom_attribute_definitions params: Dictionary of parameters for the specific operation

loyalty

Manage loyalty operations Args: operation: The operation to perform. Valid operations: Programs: - create_loyalty_program - retrieve_loyalty_program Accounts: - create_loyalty_account - search_loyalty_accounts - retrieve_loyalty_account - accumulate_loyalty_points - adjust_loyalty_points - search_loyalty_events Promotions: - create_loyalty_promotion - cancel_loyalty_promotion params: Dictionary of parameters for the specific operation

bookings

Manage booking operations Args: operation: The operation to perform. Valid operations: Bookings: - create_booking - search_bookings - retrieve_booking - update_booking - cancel_booking Team Member Bookings: - bulk_retrieve_team_member_bookings - retrieve_team_member_booking_profile Location Profiles: - list_location_booking_profiles - retrieve_location_booking_profile Custom Attributes: - create_booking_custom_attribute_definition - update_booking_custom_attribute_definition params: Dictionary of parameters for the specific operation

business

Manage business operations Args: operation: The operation to perform. Valid operations: Merchants: - list_merchants - retrieve_merchant Locations: - list_locations - create_location - retrieve_location - update_location Vendors: - bulk_create_vendors - bulk_retrieve_vendors - create_vendor - search_vendors - update_vendor Sites: - list_sites params: Dictionary of parameters for the specific operation

README

Square MCP Server

A Model Context Protocol (MCP) server that provides access to Square API functionality.

Setup

  1. Install dependencies:
uv sync
  1. Set environment variables:
# Required
export SQUARE_ACCESS_TOKEN=your_access_token_here

# Optional - defaults to 'sandbox' if not set
export SQUARE_ENVIRONMENT=sandbox  # or 'production' for production environment
  1. Run the server:
uv pip install .
square-mcp

Or for development:

source .venv/bin/activate
mcp dev src/square_mcp/server.py

Environment Variables

Variable Required Default Description
SQUARE_ACCESS_TOKEN Yes - Your Square API access token
SQUARE_ENVIRONMENT No sandbox Square API environment (sandbox or production)

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