# Agent readiness of modelcarworld.com

Verified 12 Nov 2026 by VouchAgent. Report: https://vouchagent.com/s/modelcarworld.com

## Verdict

- Result: Agents did not reach the payment step
- Task: Buy one item
- Best path: `none`
- Platform: Shopware
- Verified: 12 Nov 2026

## What an agent needs from its human

1. Email, step 0
2. Shipping address, step 6

## Where each agent stopped

The newest run per agent, step by step. ✓ reached, – skipped, ● where the run stopped, ○ not reached. A stop by our test (safety limits, our network) is not a verdict on the site.

### T3 emulated, `consumer-chrome`, non-US network (comparison), 7 Nov 2026

Buy one item: Did not reach the payment step.

1. ✓ Home page at `/en` ([screenshot](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/01-home_loaded.png))
2. ✓ Product page at `/en` ([screenshot](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/02-product_found.png))
3. – Choose an option: skipped (optional, or not detected)
4. – Add to cart: skipped (optional, or not detected)
5. – Cart: skipped (optional, or not detected)
6. ✓ Checkout ([screenshot](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/03-checkout_reached.png))
7. ✓ Contact details ([screenshot](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/05-contact_entered.png))
8. ✓ Shipping details ([screenshot](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/04-shipping_entered.png))
9. ● Payment step: stopped here ([last screenshot](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/06-final-failed.png)). Where the agent gave up: 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

| Date | Tier | Profile | Network | Outcome | Furthest step | Evidence |
|---|---|---|---|---|---|---|
| 7 Nov 2026 | T3 emulated | `consumer-chrome` `claude-haiku-4-5` | non-US network (comparison) | Did not reach the payment step | Shipping entered | [video](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/video.webm), [signed bundle](https://vouchagent.com/e/cefe67c8-95de-459c-9ef7-02c30be3397f/bundle.json) |
| 7 Nov 2026 | T3 emulated | `consumer-chrome` `claude-haiku-4-5` | non-US network (comparison) | Stopped by our safety guard | Product found | [video](https://vouchagent.com/e/4843a98c-ecdb-4a04-ad64-4b62946375f7/video.webm), [signed bundle](https://vouchagent.com/e/4843a98c-ecdb-4a04-ad64-4b62946375f7/bundle.json) |

## Static checks (12 Nov 2026)

### Access

- Met: Home page reachable (seen: `HTTP 200`)
- Met: Agents not blocked (seen: `No block or challenge on the home page`)
- Met: robots.txt present (seen: `HTTP 200`)
- Met: AI agents allowed in robots.txt (seen: `No AI user agent is disallowed from /`)
- Partly met: Content signals declared (seen: `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 (seen: `robots.txt Sitemap: link removed`)
- Not met: llms.txt present (seen: `/llms.txt: HTTP 400`) How to fix: Publish /llms.txt as markdown starting with "\# " and linking your key pages.
- Not applicable: Link headers for agents (seen: `Not expected for shops`)
- Partly met: API catalog (seen: `/.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 (seen: `/.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 (seen: `/.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 (seen: `/.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 (seen: `/.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 (seen: `/.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 (seen: `/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 (seen: `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 (seen: `16694 characters of visible text`)

### Commerce data

- Not met: Product structured data (seen: `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 (seen: `No Product JSON-LD to evaluate`)
- Partly met: UCP manifest (seen: `/.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 (seen: `Not a Shopify store`)
- Not met: Shipping and returns policies linked (seen: `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.

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Methodology https://vouchagent.com/methodology. Owners can claim this page, request a re-test or opt out at https://vouchagent.com/s/modelcarworld.com.