Scan report

mats4brats.com

Scanned 10/12/2026, 3:46:12 AM

Re-scan

38 out of 100 F · Critical

5 of 15 checks passed

Category breakdown

Commerce 32 · 1/5

Product Data 3 · 0/3

Checkout 65 · 1/2

Discoverability 48 · 1/3

Content 100 · 2/2

Check results

Commerce

1/5 passed

Pass UCP profile discoverable Critical 90/100
UCP profile fetched from https://mats4brats.com/.well-known/ucp (well-known, shopify shape). version=2026-08-25, capabilities=12, mcp endpoint=true.

How to fix: Add a <link rel="agent-profile" href="/.well-known/ucp"> tag in your homepage <head> and ensure the profile carries a version + at least one service/capability with transport="mcp".
Raw evidence
```
{
  "source": "well-known",
  "profileUrl": "https://mats4brats.com/.well-known/ucp",
  "shape": "shopify",
  "version": "2026-08-25",
  "capabilityCount": 12,
  "hasMcpEndpoint": true
}
                      
```
Fix MCP server card discoverable Critical 0/100
No MCP server card at any well-known path. Last error: /.well-known/mcp-server-card.json: HTTP 404.

How to fix: Publish a server card at /.well-known/mcp/server-card.json with name, remotes[], and capabilities. See SEP-2127.
Raw evidence
```
{
  "lastError": "/.well-known/mcp-server-card.json: HTTP 404",
  "triedPaths": [
    "/.well-known/mcp/server-card.json",
    "/.well-known/mcp-server-card.json"
  ]
}
                      
```
Fix ACP compliance markers Important 0/100
/checkout_sessions returned 404.

How to fix: Implement the ACP checkout sessions endpoint. Stripe's docs/agentic-commerce has a turnkey integration for merchants.
Raw evidence
```
{
  "status": 404,
  "hasLink": false
}
                      
```
Fix x402 payment headers Nice-to-have 0/100
Probe https://mats4brats.com/.well-known/x402 returned 301; no x402 signal.

How to fix: Adopt x402 by responding with 402 + PAYMENT-REQUIRED header on a gated route, or publish a manifest at /.well-known/x402.
Raw evidence
```
{
  "probeUrl": "https://mats4brats.com/.well-known/x402",
  "status": 301
}
                      
```
Fix WebMCP opt-in or trusted-agent eligibility Nice-to-have 50/100
WebMCP signals — header:false, meta:false, script-src:false, inline-register:false, inline-mention:true.

How to fix: Opt into WebMCP: register tools with navigator.modelContext.registerTool(...) in an inline <script>, or set the WebMCP-Available: true response header.
Raw evidence
```
{
  "headerSignal": false,
  "metaSignal": false,
  "scriptSrcSignal": false,
  "inlineRegisterSignal": false,
  "inlineMentionSignal": true
}
                      
```

Product Data

0/3 passed

Fix schema.org Product JSON-LD on PDP Critical 0/100
No JSON-LD blocks on https://www.mats4brats.com/products/staff-apron.

How to fix: Add a <script type="application/ld+json"> Product block to your product template — required for agents to parse pricing and availability.
Raw evidence
```
{
  "sampledPdp": "https://www.mats4brats.com/products/staff-apron",
  "jsonLdBlocks": 0
}
                      
```
Fix Variant, pricing and availability clarity in Product JSON-LD Important 0/100
No Product JSON-LD block found — pricing and availability are invisible to agents.

How to fix: Add a Product JSON-LD block first (see the product-jsonld check). Then ensure offers.price and offers.availability are populated.
Raw evidence
```
{
  "sampledPdp": "https://www.mats4brats.com/products/staff-apron"
}
                      
```

Fix Open Graph + Twitter card on PDP Nice-to-have 15/100

Open Graph: 1/4. Twitter: 0/4.

How to fix: Add the missing meta tags: og:title, og:description, og:type, twitter:card, twitter:title, twitter:description, twitter:image.

Raw evidence


{
  "sampledPdp": "https://www.mats4brats.com/products/staff-apron",
  "openGraph": {
    "og:image": "https://cdn.shopify.com/s/files/1/0765/1190/3998/files/M4K-Web-Staff_Apron_2.jpg?v=1774267177"
  },
  "twitter": {}
}

Checkout

1/2 passed

Fix Cart permalink format works Important 50/100
GET /cart → 200. GET /cart/000:1 → 410.

How to fix: Support Shopify-style cart permalinks (/cart/{variantId}:{qty}) so agents can hand off pre-built carts.
Raw evidence
```
{
  "cartStatus": 200,
  "permalinkStatus": 410
}
                      
```
Pass Checkout handoff URL accessible Important 80/100
GET /checkout → 301 (redirects to https://www.mats4brats.com/checkout).
Raw evidence
```
{
  "status": 301,
  "location": "https://www.mats4brats.com/checkout"
}
                      
```

Discoverability

1/3 passed

Fix robots.txt with AI bot rules Important 20/100
robots.txt found. AI bots referenced: none. Sitemap directive: yes.

How to fix: Add explicit User-agent entries for GPTBot, ClaudeBot, PerplexityBot.
Raw evidence
```
{
  "aiBotsFound": [],
  "hasSitemap": true,
  "sizeBytes": 3638
}
                      
```
Pass sitemap.xml present and valid Important 100/100
Valid sitemap found.
Raw evidence
```
{
  "sizeBytes": 988
}
                      
```
Fix Hreflang / locale signals on homepage Nice-to-have 0/100
No hreflang link tags on the homepage.

How to fix: Add <link rel="alternate" hreflang="…"> tags for each supported locale plus x-default. Agents use these to pick the right regional storefront.
Raw evidence
```
{
  "langs": []
}
                      
```

Content

100

2/2 passed

Pass llms.txt manifest for agents Nice-to-have 100/100
llms.txt present (519 bytes).
Raw evidence
```
{
  "sizeBytes": 519
}
                      
```
Pass Markdown content negotiation on homepage Nice-to-have 100/100
Server honors Accept: text/markdown (Content-Type: text/markdown; charset=utf-8).
Raw evidence
```
{
  "contentType": "text/markdown; charset=utf-8",
  "status": 200
}
                      
```

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