Scan report

jeffreestarcosmetics.com

Scanned 7/19/2026, 10:00:15 PM

Re-scan

36 out of 100 F · Critical

5 of 15 checks passed

Category breakdown

Commerce 27 · 1/5

Product Data 15 · 1/3

Checkout 65 · 1/2

Discoverability 48 · 1/3

Content 50 · 1/2

Check results

Commerce

1/5 passed

Pass UCP profile discoverable Critical 90/100
UCP profile fetched from https://jeffreestarcosmetics.com/.well-known/ucp (well-known, shopify shape). version=2026-04-08, capabilities=10, 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://jeffreestarcosmetics.com/.well-known/ucp",
  "shape": "shopify",
  "version": "2026-04-08",
  "capabilityCount": 10,
  "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://jeffreestarcosmetics.com/.well-known/x402 returned 404; 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://jeffreestarcosmetics.com/.well-known/x402",
  "status": 404
}
                      
```
Fix WebMCP opt-in or trusted-agent eligibility Nice-to-have 0/100
WebMCP signals — header:false, meta:false, script-src:false, inline-register:false, inline-mention:false.

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": false
}
                      
```

Product Data

1/3 passed

Fix schema.org Product JSON-LD on PDP Critical 0/100
No JSON-LD blocks on https://jeffreestarcosmetics.com/products/blood-sugar-eyeshadow-palette.

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://jeffreestarcosmetics.com/products/blood-sugar-eyeshadow-palette",
  "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://jeffreestarcosmetics.com/products/blood-sugar-eyeshadow-palette"
}
                      
```

Pass Open Graph + Twitter card on PDP Nice-to-have 90/100

Open Graph: 4/4. Twitter: 3/4.

How to fix: Add the missing meta tags: twitter:image.

Raw evidence


{
  "sampledPdp": "https://jeffreestarcosmetics.com/products/blood-sugar-eyeshadow-palette",
  "openGraph": {
    "og:title": "Blood Sugar Palette",
    "og:description": "Our iconic Blood Sugar palette features 18 striking eyeshadows and pressed pigments. This palette is serving three luxurious finishes: matte, metallic, and foil. Wrapped in red faux leather with a metal clasp closure. Cruelty-Free &amp; Vegan Eyeshadow Palette.",
    "og:image": "http://jeffreestarcosmetics.com/cdn/shop/products/05BloodSugar-Open_Lid-Web_ebbd764a-9c71-435b-949e-674441a5e128.jpg?v=1629846175",
    "og:type": "product"
  },
  "twitter": {
    "twitter:card": "summary_large_image",
    "twitter:title": "Blood Sugar Palette",
    "twitter:description": "Our iconic Blood Sugar palette features 18 striking eyeshadows and pressed pigments. This palette is serving three luxurious finishes: matte, metallic, and foil. Wrapped in red faux leather with a metal clasp closure. Cruelty-Free &amp; Vegan Eyeshadow Palette."
  }
}

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 → 302 (redirects to https://shop.app/checkout/6732291/cn/hWNEfnvkY0NllUjYmqh1tVAX/en-us/shoppay?_cs=3.AMPS&_mcs=3.AMPS&_r=AQABbmuVb9NfGiIQeo1QVHK1P-0tbfquVZhZmD-HmNgl&redirect_source=checkout_universal_redirect&shop_pay_token=eyJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaWQ6XC9cL3Nob3BpZnlcL1Nob3BcLzY3MzIyOTEiLCJuYmYiOjE3ODQ0OTg0MTQsInNlc3Npb25fdG9rZW4iOiJBQUVCWFotcDB6MjJWckJwaDdTQ3NRbDBjbkJrOTB5NlpUZTFnSDFKTnVIazJNS2x6OTZyTnNucjJ1QVd1THhkeDBFdEtlbE1KSHM4cm1NdzJwQmZxcGJsY2ZFZDYzWElFb3k2MzNHa3VrSThLMjFJZmNtMU44SXhmckNOcE03dXE4NGNBY290cl9JVk54b29BZkF3b193NWp3aGNoRXRfcDUyRlhHdzEwQjlxeFJvR3c4VDQ1eHNJQ01Oa0lnQzhDVnFXZTFQSHl4b0JlT3RRdEVZbzR1VFBHU1F6S3kxS01zUmJOY2ZaVkEiLCJleHAiOjE3ODQ0OTkzMTQsImxhbmRpbmdfcGFnZSI6IlwvY2hlY2tvdXQiLCJvcmlnX3JlZmVycmVyIjoiIn0.BMF8HlFuSKimWm_ak3suWW3zVtDm1ClbABmUhsLGhck&tracking_unique=ce2a0b70-4583-4e5c-8abd-0e3d8445942e&tracking_visit=b47cec0a-a40a-4174-a238-f75586fa781e&ur_back_url=https%3A%2F%2Fjeffreestarcosmetics.com%2Fcheckouts%2Fcn%2FhWNEfnvkY0NllUjYmqh1tVAX%2Fen-us%3F_r%3DAQAB7LWpFkWckde8nUbndEhwbQeERCYkVcn40c4Pvm7C%26auto_redirect%3Dfalse%26edge_redirect%3Dtrue%26skip_shop_pay%3Dtrue&ur_verify=TgI6NwgJwiUZvzrJ1IO-zGT6pn0%3D).
Raw evidence
```
{
  "status": 302,
  "location": "https://shop.app/checkout/6732291/cn/hWNEfnvkY0NllUjYmqh1tVAX/en-us/shoppay?_cs=3.AMPS&_mcs=3.AMPS&_r=AQABbmuVb9NfGiIQeo1QVHK1P-0tbfquVZhZmD-HmNgl&redirect_source=checkout_universal_redirect&shop_pay_token=eyJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaWQ6XC9cL3Nob3BpZnlcL1Nob3BcLzY3MzIyOTEiLCJuYmYiOjE3ODQ0OTg0MTQsInNlc3Npb25fdG9rZW4iOiJBQUVCWFotcDB6MjJWckJwaDdTQ3NRbDBjbkJrOTB5NlpUZTFnSDFKTnVIazJNS2x6OTZyTnNucjJ1QVd1THhkeDBFdEtlbE1KSHM4cm1NdzJwQmZxcGJsY2ZFZDYzWElFb3k2MzNHa3VrSThLMjFJZmNtMU44SXhmckNOcE03dXE4NGNBY290cl9JVk54b29BZkF3b193NWp3aGNoRXRfcDUyRlhHdzEwQjlxeFJvR3c4VDQ1eHNJQ01Oa0lnQzhDVnFXZTFQSHl4b0JlT3RRdEVZbzR1VFBHU1F6S3kxS01zUmJOY2ZaVkEiLCJleHAiOjE3ODQ0OTkzMTQsImxhbmRpbmdfcGFnZSI6IlwvY2hlY2tvdXQiLCJvcmlnX3JlZmVycmVyIjoiIn0.BMF8HlFuSKimWm_ak3suWW3zVtDm1ClbABmUhsLGhck&tracking_unique=ce2a0b70-4583-4e5c-8abd-0e3d8445942e&tracking_visit=b47cec0a-a40a-4174-a238-f75586fa781e&ur_back_url=https%3A%2F%2Fjeffreestarcosmetics.com%2Fcheckouts%2Fcn%2FhWNEfnvkY0NllUjYmqh1tVAX%2Fen-us%3F_r%3DAQAB7LWpFkWckde8nUbndEhwbQeERCYkVcn40c4Pvm7C%26auto_redirect%3Dfalse%26edge_redirect%3Dtrue%26skip_shop_pay%3Dtrue&ur_verify=TgI6NwgJwiUZvzrJ1IO-zGT6pn0%3D"
}
                      
```

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": 3654
}
                      
```
Pass sitemap.xml present and valid Important 100/100
Valid sitemap found.
Raw evidence
```
{
  "sizeBytes": 911
}
                      
```
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

1/2 passed

Pass llms.txt manifest for agents Nice-to-have 100/100
llms.txt present (4356 bytes).
Raw evidence
```
{
  "sizeBytes": 4356
}
                      
```
Fix Markdown content negotiation on homepage Nice-to-have 0/100
Server returned text/html; charset=utf-8 despite Accept: text/markdown.

How to fix: Offer a Markdown variant of key pages — agents prefer Markdown over HTML when reading and summarizing pages.
Raw evidence
```
{
  "contentType": "text/html; charset=utf-8",
  "status": 200
}
                      
```

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