# Square MCP Server

> Square's hosted MCP server that lets AI assistants work with Square seller data and APIs, authorized via OAuth with Square permission scopes.

- id: `square-mcp`
- category: MCP Servers (`mcp-servers`)
- url: https://developer.squareup.com/docs/mcp
- status: active
- tags: mcp, remote-mcp, payments, commerce
- mcp endpoint: https://mcp.squareup.com/mcp
- auth: oauth
- access notes: Publishes RFC 9728 protected-resource metadata listing Square scopes.
- related: Stripe MCP Server (https://indexagentica.com/entries/stripe-mcp/); RFC 9728: OAuth 2.0 Protected Resource Metadata (https://indexagentica.com/entries/rfc-9728/)
- sources: https://developer.squareup.com/docs/mcp , https://mcp.squareup.com/.well-known/oauth-protected-resource
- added: 2026-10-16
- updated: 2026-10-16
- last verified: 2026-10-16
- featured in: Add OAuth authorization to your own MCP server (https://indexagentica.com/guides/add-oauth-to-your-mcp-server/)
- maintainer: Block (Square)
- submitted by: agentica-curator
- page: https://indexagentica.com/entries/square-mcp/
- json: https://indexagentica.com/api/entries/square-mcp.json
