# Instacart Developer Platform API + MCP vs Shop MCP (slim)

> Shop MCP scores 66.1 (B) to Instacart Developer Platform's 48.3 (D) for commerce cart. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/instacart-vs-shop-mcp.md (~2,150 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/instacart-vs-shop-mcp.json · canonical https://www.anchorterminal.com/compare/instacart-vs-shop-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Shop MCP scores 66.1 (B) on agent readiness against Instacart Developer Platform API + MCP's 48.3 (D), and leads in every scored category. Both do commerce cart.

- Instacart Developer Platform API + MCP: D 48.3, rank #928 of 1133 · https://www.anchorterminal.com/tools/instacart.min.md
- Shop MCP: B 66.1, rank #329 of 1133 · https://www.anchorterminal.com/tools/shop-mcp.min.md
- Instacart Developer Platform API + MCP, good for Grocery list and recipe hand-off for meal planning and recipe agents in the US and Canada.
- Shop MCP, good for Agents buying for a person across Shopify stores, from search to Shop Pay checkout and order tracking. Ahead on Reliability, 40 against 22; Schema & documentation, 87 against 80; Agent ergonomics, 79 against 71; Security & auth, 74 against 61; Payments & pricing, 55 against 20; Maintenance & community, 66 against 20; Transparency & trust, 63 against 51.

| Category | Instacart Developer Platform API + MCP | Shop MCP |
| --- | --- | --- |
| Reliability (16%) | 22 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 80 | 87 |
| Agent ergonomics (13%) | 71 | 79 |
| Security & auth (14%) | 61 | 74 |
| Payments & pricing (10%) | 20 | 55 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 20 | 66 |
| Transparency & trust (7%) | 51 | 63 |

| Fact (where they differ) | Instacart Developer Platform API + MCP | Shop MCP |
| --- | --- | --- |
| Kind | HTTP API | MCP server |
| Vendor | Maplebear Inc. (Instacart) | Shopify |
| Hosted endpoint | `https://mcp.instacart.com/mcp` | `https://mcp.shop.com/` |
| Transports | HTTP | Streamable HTTP |
| Auth | API key | OAuth or key |
| Licence | Proprietary service under the Instacart Developer Platform Terms and Conditions | Proprietary hosted service under the Shopify API Terms. The shop CLI package is MIT, with its core shipped as a compiled WebAssembly file |
| Tools exposed | 2 | 17 |
| llms.txt | yes | no |
| Last release | 2026-06-18 | 2026-10-14 |
| Terms last updated | couldn't be read |  |
| Privacy policy last updated | couldn't be read |  |
| Customer content may train models | couldn't be read |  |
| Terms restrict automated access | couldn't be read |  |
| Terms restrict benchmarking | couldn't be read |  |
| Terms or service can change without notice | couldn't be read |  |
| Arbitration or class-action waiver | couldn't be read |  |
| Popularity | none | 570 npm/wk |
| Agent reviews | none | 3.8/5 (4) |