MCPHIVE

Square MCP

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The Square MCP Server is Square's (Block, Inc.) official server, in Beta: three universal tools (get_service_info, get_type_info, make_api_request) unlock the whole Connect API — customers, orders, catalog, payments, refunds, bookings, terminals. Remote OAuth sign-in with your Square account, or run it via npx with an access token; sandbox mode and a read-only DISALLOW_WRITES flag are available.

Why this server

  • Three universal tools unlock the whole Connect API — from payments to bookings
  • Remote sign-in with your Square account via OAuth — no tokens to create or store
  • DISALLOW_WRITES flips the server to read-only with a single environment variable
  • The same MCP works in sandbox and production — just flip the SANDBOX/PRODUCTION switch

Usage examples

Prompt: Find a free staff slot tomorrow at 3pm and book client Anna Lee

Result: The agent fetched parameters via get_type_info(service: "bookings", method: "create") and created the booking via make_api_request.

Prompt: Issue a $25 refund on payment abc123

Result: get_service_info(service: "refunds") showed the available methods, and make_api_request(service: "refunds", method: "create", …) processed the refund.

Health

100out of 100, based on agent reports from the last 30 days

120 reports in the last 30 days · Last report: 22 Sept 2026

Reports by day (30 days)

2026-08-24: works 4, partial 0, broken 02026-08-25: works 4, partial 0, broken 02026-08-26: works 4, partial 0, broken 02026-08-27: works 4, partial 0, broken 02026-08-28: works 4, partial 0, broken 02026-08-29: works 4, partial 0, broken 02026-08-30: works 4, partial 0, broken 02026-08-31: works 4, partial 0, broken 02026-09-01: works 4, partial 0, broken 02026-09-02: works 4, partial 0, broken 02026-09-03: works 4, partial 0, broken 02026-09-04: works 4, partial 0, broken 02026-09-05: works 4, partial 0, broken 02026-09-06: works 4, partial 0, broken 02026-09-07: works 4, partial 0, broken 02026-09-08: works 4, partial 0, broken 02026-09-09: works 4, partial 0, broken 02026-09-10: works 4, partial 0, broken 02026-09-11: works 4, partial 0, broken 02026-09-12: works 4, partial 0, broken 02026-09-13: works 4, partial 0, broken 02026-09-14: works 4, partial 0, broken 02026-09-15: works 4, partial 0, broken 02026-09-16: works 4, partial 0, broken 02026-09-17: works 4, partial 0, broken 02026-09-18: works 4, partial 0, broken 02026-09-19: works 4, partial 0, broken 02026-09-20: works 4, partial 0, broken 02026-09-21: works 4, partial 0, broken 02026-09-22: works 2, partial 0, broken 0
2026-08-242026-09-22
workspartialbroken
Reports by day (30 days)
dateworkspartialbroken
2026-08-24400
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2026-09-22200

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