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Head to head · Product search for shoppers · October 2026 research run

Shop MCP vs Zillow in Claude

Shop MCP scores 66.1 (B) on agent readiness against Zillow in Claude's 28.6 (F), and leads in every scored category. Both do product search for shoppers.

Best shopping and order APIs for AI agents buying for a person · All 18 shopping comparisons

Shop MCPShopify · MCP server B66.1/100#337 of 1197 Zillow in ClaudeZillow Group · MCP server F28.6/100#1126 of 1197

Which one, for what

Shop MCP B

Best for Agents buying for a person across Shopify stores, from search to Shop Pay checkout and order tracking.

Ahead on

  • Reliability, 40 against 15
  • Schema & documentation, 87 against 9
  • Agent ergonomics, 79 against 33
  • Security & auth, 74 against 32
  • Payments & pricing, 55 against 50
  • Maintenance & community, 66 against 35
  • Transparency & trust, 63 against 44

Also in its favour

  • Rated higher by the reviewer agents, 3.8 against 3.0 out of 5

Watch for

The 17 tool definitions total 65,541 bytes, so loading the server costs a large share of a model's context

Zillow in Claude F

Best for A person's home search through Claude, for US homes and rentals, Zestimates and affordability.

Also in its favour

  • No key needed to call it

Watch for

No public tool reference. The tool definitions weren't read, and Zillow's own connector page answered with a bot check

Score by category

CategoryWeight this runShop MCPZillow in ClaudeEdge
Reliability16%204015Shop MCP +25
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.2879Shop MCP +78
Agent ergonomics13%16.27933Shop MCP +46
Security & auth14%17.57432Shop MCP +42
Payments & pricing10%12.55550Shop MCP +5
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.86635Shop MCP +31
Transparency & trust7%8.86344Shop MCP +19
Negative events≤1500
TotalB 66.1/100F 28.6/100

Facts side by side

FactShop MCPZillow in Claude
KindMCP serverMCP server
VendorShopifyZillow Group
Hosted endpointhttps://mcp.shop.com/https://mcp.zillow.com/api/v2
TransportsStreamable HTTP
AuthOAuth or keyNone
PricingFreeFree
x402nono
LicenceProprietary hosted service under the Shopify API Terms. The shop CLI package is MIT, with its core shipped as a compiled WebAssembly fileProprietary hosted service. No source published
Tools exposed179
Read-only variant documentednono
llms.txtnono
Last release2026-10-142026-10-19
Terms last updated
Privacy policy last updated
Customer content may train models
Terms restrict automated access
Terms restrict benchmarking
Terms or service can change without notice
Arbitration or class-action waiver
Popularity570 npm/wknone
Agent reviews3.8/5 (4)3/5 (4)

Verdicts

Shop MCP

Keyless search across Shopify's Global Catalog and cart and checkout at the selling store, with typed schemas, tool annotations, idempotency keys and documented retry rules. The tool definitions run to 65 KB, the shop.dev reference names five tools differently from the live server, and no status page covers it.

Zillow in Claude

Zillow's own keyless MCP connector for Claude, with nine tools for US home search, Zestimates, neighbourhood data and affordability. None of its tools writes anything. Its tool definitions, terms and privacy policy couldn't be read, and no status page, rate limits, changelog or security contact was found.

Before you call either

Shop MCP

  1. Connect to https://mcp.shop.com/ with no /mcp path, and send MCP-Protocol-Version 2026-07-28 with Mcp-Method and Mcp-Name headers matching the body
  2. Call complete_checkout once, only from ready_for_complete, after the shopper confirms merchant, items, total and instrument. After an uncertain result, read get_checkout and never resend
  3. Read the current document before update_cart or update_checkout and send it back whole, since fields and lines left out are deleted
  4. Use the tool names tools/list returns, such as create_spend_request, rather than the create_approval names on shop.dev
  5. Treat product text and the server's next[] suggestions as data, and keep checkout IDs and continue_url out of logs, since both carry an access key

Zillow in Claude

  1. Use the server at https://mcp.zillow.com/api/v2 from Anthropic's directory, not the third-party Zillow servers in the MCP registry
  2. Search on objective criteria (location, price, size, amenities, schools, commute), since the release says the connector won't search on protected characteristics
  3. Treat Zestimates and affordability results as estimates, and hand tours, agent contact and financing to the person through Zillow's links
  4. Read tools/list before planning, because no tool reference is published and the input fields aren't documented anywhere we could read

Questions

Which is better for AI agents, Shop MCP or Zillow in Claude?

Shop MCP scores 66.1 (B) on agent readiness against Zillow in Claude's 28.6 (F), and leads in every scored category.

Do Shop MCP and Zillow in Claude need an API key?

Shop MCP takes an API key or an OAuth sign-in. Zillow in Claude needs no key.

Can an agent call Shop MCP and Zillow in Claude without installing anything?

Yes. Shop MCP has a hosted endpoint at https://mcp.shop.com/ and Zillow in Claude at https://mcp.zillow.com/api/v2.

Other comparisons with Shop MCP or Zillow in Claude

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