Top fixes
- Crawler access (+2 points): Add a group for GPTBot, ClaudeBot, Google-Extended and the others with "Allow: /" (or drop the blanket "Disallow: /") if you want answer engines to cite you. How to fix
- Structured data (+2 points): add a JSON-LD block (Organization or WebSite, plus Product, FAQPage or Article where relevant); add og:title and og:description so answer engines describe you accurately. How to fix
- MCP census entry (+2 points): Expose a Streamable HTTP MCP endpoint at /mcp (or a paid x402 route) so agents can call you, not just read you. How to fix
Ordered by points recoverable. Each area: 2/2 pass, 1/2 warn, 0/2 fail.
api.x402-engine.com is graded F. The $49 AI Visibility Full Report turns the 2 failing checks above (crawler access, structured data) into a prioritized, specific fix list for api.x402-engine.com, and tests 8 real buyer questions across ChatGPT-class models to show what AI answers say about you today.
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).
Crawler access (robots.txt)
0/2 · fail
2 of 8 AI crawlers may read the site, 6 disallowed
- GET /robots.txt -> HTTP 200, 2.6 KB, 32 user-agent groups
- Allowed: OAI-SearchBot (via *), PerplexityBot (via *)
- Disallowed: GPTBot, ClaudeBot, Google-Extended, Amazonbot, CCBot, Bytespider
- Content-Signal: search=yes,ai-train=no,use=reference
Fix: Add a group for GPTBot, ClaudeBot, Google-Extended and the others with "Allow: /" (or drop the blanket "Disallow: /") if you want answer engines to cite you.
Machine-readable surfaces
1/2 · warn
1 of 7 surfaces present (/openapi.json)
- /llms.txt: HTTP 404
- /sitemap.xml: HTTP 404
- /.well-known/x402: HTTP 404
- /.well-known/agent-card.json: HTTP 404
- /.well-known/mcp-registry-auth: HTTP 404
- /openapi.json: HTTP 200, valid JSON (OpenAPI 3.1.0)
- /ai.txt: HTTP 404
Fix: Publish /llms.txt (a short Markdown guide to your key pages); /sitemap.xml.
Readable without JavaScript
2/2 · pass
Home page is readable
- GET https://api.x402-engine.com/ -> HTTP 200, text/html, 11 KB
- 3,272 characters of visible text with scripts, styles and tags removed; <title>: "AgentPay · Governed Machine Commerce"
- 0 external scripts, 1 inline; <noscript> absent
- first words: "SAF-Authority · Governed Machine Commerce Govern and prove a machine purchase. AgentPay is the Core Engine Framework for exact payment admis..."
Fix: Nothing to fix here.
Structured data
0/2 · fail
No JSON-LD, Open Graph incomplete
- 0 JSON-LD blocks
- Open Graph: no og:title; no og:description
- meta description: absent
Fix: add a JSON-LD block (Organization or WebSite, plus Product, FAQPage or Article where relevant); add og:title and og:description so answer engines describe you accurately.
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)
0/2 · fail
Not selling to agents: no census entry, no /mcp endpoint
- 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 404: no MCP endpoint at the root
Fix: Expose a Streamable HTTP MCP endpoint at /mcp (or a paid x402 route) so agents can call you, not just read 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 api.x402-engine.com. 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).
