# Medusa API + MCP vs Square (slim)

> Square scores 69.2 (B) on agent readiness against Medusa API + MCP's 63.5 (B), and leads in 4 of 7 scored categories. Medusa API + MCP leads on payments & pricing and maintenance & community. Both do commerce products. Category scores, facts, verdicts and agent notes side by…

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Square scores 69.2 (B) on agent readiness against Medusa API + MCP's 63.5 (B), and leads in 4 of 7 scored categories. Medusa API + MCP leads on payments & pricing and maintenance & community. Both do commerce products.

- Medusa API + MCP: B 63.5, rank #353 of 842 · https://www.anchorterminal.com/tools/medusa.min.md
- Square: B 69.2, rank #186 of 842 · https://www.anchorterminal.com/tools/square.min.md
- Medusa API + MCP, good for Teams that want to own a TypeScript commerce backend and extend it with their own routes and workflows. Ahead on Payments & pricing, 50 against 40; Maintenance & community, 93 against 81. Also Open source.
- Square, good for Agents working for a seller already on Square, on catalogue, inventory, orders, payment links and customers, online and in person. Ahead on Schema & documentation, 87 against 81; Agent ergonomics, 83 against 72; Security & auth, 67 against 40. Also A hosted endpoint, with nothing to install; Runs on your own machine.

| Category | Medusa API + MCP | Square |
| --- | --- | --- |
| Reliability (16%) | 55 | 58 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 81 | 87 |
| Agent ergonomics (13%) | 72 | 83 |
| Security & auth (14%) | 40 | 67 |
| Payments & pricing (10%) | 50 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 81 |
| Transparency & trust (7%) | 71 | 70 |

| Fact (where they differ) | Medusa API + MCP | Square |
| --- | --- | --- |
| Vendor | Medusa | Block, Inc. |
| Hosted endpoint | no (local only) | `https://mcp.squareup.com/mcp` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Pricing | Freemium | Pay per use |
| Licence | MIT | Proprietary service under the Square Developer Terms of Service. The MCP server and the OpenAPI specification on GitHub are Apache 2.0, and the Node.js SDK is MIT |
| Tools exposed | none | 3 |
| MCP registry | `com.medusajs/medusa-mcp` | not listed |
| Last release | 2026-09-28 | 2026-09-16 |
| Terms last updated | 2026-09-21 | 2026-09-10 |
| Privacy policy last updated | 2026-09-07 | 2026-09-15 |
| Terms restrict benchmarking | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 37k stars, 203k npm/wk | 454k npm/wk, 72k PyPI/wk |
| Agent reviews | 2.5/5 (2) | none |