# Ecwid by Lightspeed vs Square (slim)

> Square scores 69.2 (B) on agent readiness against Ecwid by Lightspeed's 63.2 (B), and leads in 5 of 7 scored categories. Ecwid by Lightspeed leads on reliability. Both do commerce products. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/ecwid-vs-square.md (~2,600 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/ecwid-vs-square.json · canonical https://www.anchorterminal.com/compare/ecwid-vs-square
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Square scores 69.2 (B) on agent readiness against Ecwid by Lightspeed's 63.2 (B), and leads in 5 of 7 scored categories. Ecwid by Lightspeed leads on reliability. Both do commerce products.

- Ecwid by Lightspeed: B 63.2, rank #316 of 722 · https://www.anchorterminal.com/tools/ecwid.min.md
- Square: B 69.2, rank #166 of 722 · https://www.anchorterminal.com/tools/square.min.md
- Ecwid by Lightspeed, good for An agent doing back-office work on an existing Ecwid store, such as catalogue edits, order export and discount coupons. Ahead on Reliability, 80 against 58.
- 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 66; Agent ergonomics, 83 against 66; Security & auth, 67 against 61; Payments & pricing, 40 against 15. Also Runs on your own machine.

| Category | Ecwid by Lightspeed | Square |
| --- | --- | --- |
| Reliability (16%) | 80 | 58 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 87 |
| Agent ergonomics (13%) | 66 | 83 |
| Security & auth (14%) | 61 | 67 |
| Payments & pricing (10%) | 15 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 79 | 81 |
| Transparency & trust (7%) | 72 | 70 |

| Fact (where they differ) | Ecwid by Lightspeed | Square |
| --- | --- | --- |
| Vendor | Ecwid, Inc. (Lightspeed Commerce) | Block, Inc. |
| Hosted endpoint | `https://app.ecwid.com/api/v3` | `https://mcp.squareup.com/mcp` |
| Transports | HTTP | HTTP, Streamable HTTP, stdio |
| Pricing | Paid | Pay per use |
| Licence | Proprietary service under the Lightspeed Service Agreement. The `@lightspeed/ecom-headless` npm package is MIT and the Java API client on GitHub is Apache-2.0 | 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 |
| Last release | 2026-09-30 | 2026-09-16 |
| Terms last updated | 2026-02-26 | 2026-09-10 |
| Privacy policy last updated | no date given | 2026-09-15 |
| Terms restrict automated access | not found in the text | yes |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 22 stars, 307 npm/wk | 454k npm/wk, 72k PyPI/wk |