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BIG TECH MCP ACCESS

# Square

United States · Payments · Status Active · Cross-border (measured) Reachable
Data updated: 2026-10-29 14:00

[← Big Tech MCP Access Tracker](https://www.tandiu.cn/en/open-mcp)

| Company | Square (Block)Official docs · 2026-10-29 · source |
|---|---|
| Product | SquareOfficial docs · 2026-10-29 · source |
| Region | United StatesOfficial docs · 2026-10-29 · source |
| Category | PaymentsOfficial docs · 2026-10-29 · source |
| Type | MCP serverOfficial docs · 2026-10-29 · source |
| Transport | SSE / Streamable HTTPOfficial docs · 2026-10-29 · source |
| Endpoint | https://mcp.squareup.com/mcpOfficial docs · 2026-10-29 · source |
| Auth | OAuthOfficial docs · 2026-10-29 · source |
| Pricing | FreeOfficial docs · 2026-10-29 · source |
| Cross-border (measured) | ReachableTANDIU measured · 2026-10-29 · source |
| Status | ActiveTANDIU measured · 2026-10-29 · source |
| Listed on | ClaudeOfficial docs · 2026-10-29 · source |
| Redistribution | UnclearOfficial docs · 2026-10-29 · source |
| Official docs | Docs |

Every field shows its evidence (official docs / TANDIU measured), check date and source. The handshake is an MCP initialize only, with no credentials and no tool calls.

HISTORY

## Change history

- 2026-10-29BaselineFirst record of 14 fields