Top fixes
- Machine-readable surfaces (+2 points): Publish /llms.txt (a short Markdown guide to your key pages); /sitemap.xml; one agent surface: /openapi.json, /.well-known/agent-card.json, or /.well-known/x402 if you sell to agents. 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.
somatematica.com.br is graded C. The $49 AI Visibility Full Report turns the failing check above (machine-readable surfaces) into a prioritized, specific fix list for somatematica.com.br, 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)
2/2 · pass
8 of 8 AI crawlers may read the site, 0 disallowed
- GET /robots.txt -> HTTP 200, 1.2 KB, 0 user-agent groups
- Unmentioned (allowed by default): GPTBot, ClaudeBot, OAI-SearchBot, PerplexityBot, Google-Extended, Amazonbot, CCBot, Bytespider
Fix: Name the AI crawlers you allow explicitly so your policy survives a future change to the "User-agent: *" group.
Machine-readable surfaces
0/2 · fail
None of the 7 machine-readable surfaces is published
- /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 404
- /ai.txt: HTTP 404
Fix: Publish /llms.txt (a short Markdown guide to your key pages); /sitemap.xml; one agent surface: /openapi.json, /.well-known/agent-card.json, or /.well-known/x402 if you sell to agents.
Readable without JavaScript
2/2 · pass
Home page is readable
- GET https://somatematica.com.br/ -> HTTP 200 after 1 redirect (final: https://www.somatematica.com.br/), text/html, 45 KB
- 6,798 characters of visible text with scripts, styles and tags removed; <title>: "Matemática: conteúdos, exercícios e jogos | Só Matemática"
- 8 external scripts, 11 inline; <noscript> absent
- first words: "Produtos Sites Busca Menu ≡ Início Material de apoio Ensino fundamental Ensino médio Ensino superior Matemática financeira Estatística Traba..."
Fix: Nothing to fix here.
Structured data
2/2 · pass
1 JSON-LD block, Open Graph complete
- 1 JSON-LD block: @type WebSite, Organization
- Open Graph: og:title "Matemática: conteúdos, exercícios e jogos | Só Matemática"; 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)
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 somatematica.com.br. 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).
