VouchAgent

modelcarworld.com

Agent readiness report. Platform: Shopware. First scanned 27 Oct 2026. Markdown version

Verified

Verdict

Agents did not reach the payment step

Task
Buy one item
Best path
none
Verified
12 Nov 2026

What an agent needs from its human

Things the agent had to ask its person for along the way, in order. Items marked “needs the human present” can’t be finished without them there at that moment, so an agent working in the background stops at that step.

  1. Emailstep 0
  2. Shipping addressstep 6

Where each agent stopped

The newest run per agent, step by step: ✓ reached, – skipped (optional or not detected), ● where the run stopped, ○ not reached. Stops marked “our test” (safety limits, our network) are not a verdict on the site.

T3 emulated · consumer-chrome · non-US network (comparison) ·

Buy one item: Did not reach the payment step

  1. Home page/enScreenshot
  2. Product page/enScreenshot
  3. Choose an optionskipped
  4. Add to cartskipped
  5. Cartskipped
  6. CheckoutScreenshot
  7. Contact detailsScreenshot
  8. Shipping detailsScreenshot
  9. Payment stepLast screenshot

    agent The agent ended the run at this step

    The agent stopped on its own before completing Payment step; its reason is shown to the site owner only.

Agent runs

The last 2 runs, newest first. Agents stop at the payment step and buy nothing. Tiers: T1 real agent, T2 self-hosted, T3 emulated, T4 protocol. What the tiers mean

Agent runs for modelcarworld.com
DateTierProfileNetworkOutcomeFurthest stepEvidence
7 Nov 2026T3 emulated
consumer-chromeclaude-haiku-4-5
non-US network (comparison)
Did not reach the payment step
Shipping enteredVideoSigned bundle
7 Nov 2026T3 emulated
consumer-chromeclaude-haiku-4-5
non-US network (comparison)
Stopped by our safety guard
Product foundVideoSigned bundle

Static checks

What an agent can read and reach before it starts shopping, from our scan on 12 Nov 2026.

Access

  • Met

    Home page reachable

    HTTP 200

  • Met

    Agents not blocked

    No block or challenge on the home page

  • Met

    robots.txt present

    HTTP 200

  • Met

    AI agents allowed in robots.txt

    No AI user agent is disallowed from /

  • Partly met

    Content signals declared

    No Content-Signal line in robots.txt

    How to fix: Add a Content-Signal line to robots.txt stating whether content may be used for search, AI input and AI training.

Discovery

  • Met

    Sitemap present

    robots.txt Sitemap: https://www.modelcarworld.com/de/sitemap.xml

  • Not met

    llms.txt present

    /llms.txt: HTTP 400

    How to fix: Publish /llms.txt as markdown starting with "# <site name>" and linking your key pages.

  • Not applicable

    Link headers for agents

    Not expected for shops

  • Partly met

    API catalog

    /.well-known/api-catalog: HTTP 400

    How to fix: Publish an RFC 9727 linkset at /.well-known/api-catalog listing your public APIs.

  • Partly met

    MCP server card

    /.well-known/mcp/server-card.json: HTTP 400

    How to fix: Publish an MCP server card at /.well-known/mcp/server-card.json describing your MCP endpoint.

  • Partly met

    A2A agent card

    /.well-known/agent-card.json: HTTP 400

    How to fix: Publish an A2A agent card at /.well-known/agent-card.json if you run an agent other agents can call.

  • Partly met

    Agent skills index

    /.well-known/agent-skills/index.json: HTTP 400

    How to fix: Publish an agent skills index at /.well-known/agent-skills/index.json listing tasks agents can perform.

  • Partly met

    OAuth server metadata

    /.well-known/oauth-authorization-server: HTTP 400

    How to fix: Publish RFC 8414 metadata at /.well-known/oauth-authorization-server so agents can obtain delegated access.

  • Partly met

    OAuth protected resource metadata

    /.well-known/oauth-protected-resource: HTTP 400

    How to fix: Publish RFC 9728 metadata at /.well-known/oauth-protected-resource naming the authorization server for your APIs.

  • Partly met

    auth.md

    /auth.md: HTTP 400

    How to fix: Publish /auth.md explaining in plain text how agents authenticate to your site or API.

Content

  • Not met

    Markdown on request

    Accept: text/markdown returned text/html; charset=utf-8

    How to fix: Return a markdown version of pages when the request sends Accept: text/markdown.

  • Met

    Content in server HTML

    16694 characters of visible text

Commerce data

  • Not met

    Product structured data

    No product page found and no Product JSON-LD on the home page

    How to fix: Add schema.org Product JSON-LD with name, offers.price, priceCurrency and availability to product pages.

  • Not applicable

    Offer details complete

    No Product JSON-LD to evaluate

  • Partly met

    UCP manifest

    /.well-known/ucp: HTTP 400

    How to fix: Publish a UCP manifest at /.well-known/ucp listing your checkout services and capabilities.

  • Not applicable

    Shopify Storefront MCP

    Not a Shopify store

  • Not met

    Shipping and returns policies linked

    No link to shipping, returns or refund policy pages on the home page

    How to fix: Link shipping, returns and refund policy pages from the home page footer.

Next steps

Something changed?

Ask for a fresh scan. One re-test per site every 24 hours.

Get the full audit

Two emulated browser agents, a map of where each one stops, and a fix plan.

Get the full audit

Is this your site? Claim it

Use an email at modelcarworld.com. Claimed owners can request re-tests, opt out of testing or stop our emails.