Top fixes
- MCP census entry (+1 point): Publish /.well-known/x402 with your paid routes so payment indexers can list you. How to fix
Ordered by points recoverable. Each area: 2/2 pass, 1/2 warn, 0/2 fail.
Crawler access (robots.txt)
2/2 · pass
8 of 8 AI crawlers may read the site, 0 disallowed
- GET /robots.txt -> HTTP 200, 1.8 KB, 4 user-agent groups
- Allowed: GPTBot (via *) (10 path rules), ClaudeBot (via *) (10 path rules), OAI-SearchBot (via *) (10 path rules), PerplexityBot (via *) (10 path rules), Google-Extended (via *) (10 path rules), Amazonbot (via *) (10 path rules), CCBot (via *) (10 path rules), Bytespider (via *) (10 path rules)
- Content-Signal: search=yes, ai-input=yes, ai-train=yes; search=yes, ai-input=yes, ai-train=yes; search=yes, ai-input=yes, ai-train=yes; search=yes, ai-input=yes, ai-train=yes
- Sitemap declared: https://3dassets.dev/sitemap.xml
Fix: Nothing to fix here.
Machine-readable surfaces
2/2 · pass
3 of 7 surfaces present (/llms.txt, /sitemap.xml, /.well-known/mcp-registry-auth)
- /llms.txt: HTTP 200, 3.0 KB of text
- /sitemap.xml: HTTP 200, sitemap index (774 B)
- /.well-known/x402: HTTP 404
- /.well-known/agent-card.json: HTTP 404
- /.well-known/mcp-registry-auth: HTTP 200, 66 B of text (MCPv1 record)
- /openapi.json: HTTP 404
- /ai.txt: HTTP 404
Fix: Nothing to fix here.
Readable without JavaScript
2/2 · pass
Home page is readable
- GET https://3dassets.dev/ -> HTTP 200, text/html, 254 KB
- 12,178 characters of visible text with scripts, styles and tags removed; <title>: "Free 3D models and game assets for humans and AI | 3DAssets.dev"
- 11 external scripts, 7 inline; <noscript> absent
- first words: "3DAssets .dev Assets Packs Demos Docs Blog Account Upload 3DAssets .dev Assets Packs Demos Docs Blog Account Upload Onboard your agent in on..."
Fix: Nothing to fix here.
Structured data
2/2 · pass
2 JSON-LD blocks, Open Graph complete
- 2 JSON-LD blocks: @type Organization, WebSite, FAQPage, Question
- Open Graph: og:title "3DAssets.dev: Free 3D assets for humans and AI"; og:description present
- meta description: present
Fix: Nothing to fix here.
Legal notices (TAKE IT DOWN desk check)
not measured
Unavailable
- takeitdown.agentexchange.work/check.json: refused takeitdown.agentexchange.work: hosts on agentexchange.work cannot be graded from inside the same Cloudflare zone; every check would - unavailable
Fix: Re-run in a few minutes; the notice check could not be completed.
MCP census entry (index.agentexchange.work)
1/2 · warn
Exposes /mcp but is not in the census
- census unavailable (refused index.agentexchange.work: hosts on agentexchange.work cannot be graded from inside the same Cloudflare zone; every check would time )
- GET /mcp -> HTTP 405 (application/json): an endpoint answers
- Index MCP probe record: refused index.agentexchange.work: hosts on agentexchange.work cannot be graded from inside the same Cloudflare zone; every check would time
Fix: Publish /.well-known/x402 with your paid routes so payment indexers can list you.
$49 AI Visibility Full Report
This grade is free and automated. The paid next step is the $49 AI Visibility Full Report (which brands a representative AI model, standing in for ChatGPT-class assistants, names when buyers ask about your category, with a prioritized fix list) from aivisibility.agentexchange.work, run for 3dassets.dev. It includes:
- 8 real buyer questions tested across ChatGPT-class models
- Competitor share-of-voice: who AI names, how often, versus you
- Full GEO site audit with prioritized, specific fixes
- Agent-Readiness Score: crawler access, llms.txt, schema, discovery manifest
- Custom 30/60/90-day action plan to get cited by ChatGPT, Perplexity and Google AI Overviews
- Shareable report, generated in about 60 seconds after checkout
Get the Full Report — $49 Stripe checkout asks for your brand name and category; the report is ready about 60 seconds after payment. Legal notices and the MCP census entry are not in this report (free: Compliance Desk check, census claim).
