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

> opencommerce scores 62 (B) to Instacart Developer Platform's 48.5 (D) for commerce cart. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/instacart-vs-opencommerce.md (~2,300 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/instacart-vs-opencommerce.json · canonical https://www.anchorterminal.com/compare/instacart-vs-opencommerce
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

opencommerce scores 62 (B) on agent readiness against Instacart Developer Platform API + MCP's 48.5 (D), and leads in 6 of 7 scored categories. Both do commerce cart.

- Instacart Developer Platform API + MCP: D 48.5, rank #990 of 1239 · https://www.anchorterminal.com/tools/instacart.min.md
- opencommerce: B 62, rank #528 of 1239 · https://www.anchorterminal.com/tools/opencommerce.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.
- opencommerce, good for A company building a chat agent that buys for US shoppers at many online stores, restaurants and airlines through one tool, with payments approved by the shopper's passkey. Ahead on Reliability, 43 against 22; Security & auth, 68 against 61; Payments & pricing, 40 against 20; Maintenance & community, 75 against 20; Transparency & trust, 63 against 53.

| Category | Instacart Developer Platform API + MCP | opencommerce |
| --- | --- | --- |
| Reliability (16%) | 22 | 43 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 80 | 81 |
| Agent ergonomics (13%) | 71 | 69 |
| Security & auth (14%) | 61 | 68 |
| Payments & pricing (10%) | 20 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 20 | 75 |
| Transparency & trust (7%) | 53 | 63 |

| Fact (where they differ) | Instacart Developer Platform API + MCP | opencommerce |
| --- | --- | --- |
| Kind | HTTP API | SDK + MCP |
| Vendor | Maplebear Inc. (Instacart) | Agentcard |
| Hosted endpoint | `https://mcp.instacart.com/mcp` | `https://api.agentcard.sh` |
| Auth | API key | OAuth |
| Pricing | Free | Pay per use |
| Licence | Proprietary service under the Instacart Developer Platform Terms and Conditions | Proprietary. `@agent-cards/commerce-sdk` and the `agent-cards` CLI ship a licence of Agentcard Corporation that allows running them only to use Agentcard's services and forbids copying, reverse engineering and benchmarking a competing product. The repository they name is private |
| Tools exposed | 2 | 1 |
| Last release | 2026-06-18 | 2026-10-30 |
| Terms last updated | couldn't be read | 2026-07-10 |
| Privacy policy last updated | couldn't be read | 2026-10-21 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | yes |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | yes |
| Popularity | none | 2.7k npm/wk |