Agent-Readiness Grade

Agent-Readiness Grade / 53on.com

C

53on.com

8/12 · 67% (scaled from 5 measurable areas)

Graded 2026-10-02 21:27 UTC in 0.1s · JSON · re-grade now

Top fixes

  1. Crawler access (+2 points): Add a group for GPTBot, ClaudeBot, Amazonbot and the others with "Allow: /" (or drop the blanket "Disallow: /") if you want answer engines to cite you. How to fix
  2. 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.

53on.com is graded C. The $49 AI Visibility Full Report turns the failing check above (crawler access) into a prioritized, specific fix list for 53on.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

4 of 8 AI crawlers may read the site, 4 disallowed

  • GET /robots.txt -> HTTP 200, 3.2 KB, 23 user-agent groups
  • Allowed: OAI-SearchBot, PerplexityBot, Google-Extended, CCBot
  • Disallowed: GPTBot, ClaudeBot, Amazonbot, Bytespider
  • Content-Signal: search=yes, ai-input=yes, ai-train=no
  • Sitemap declared: https://53on.com/sitemap.xml, https://53on.com/sitemap-stores.xml

Fix: Add a group for GPTBot, ClaudeBot, Amazonbot and the others with "Allow: /" (or drop the blanket "Disallow: /") if you want answer engines to cite you.

Machine-readable surfaces

2/2 · pass

4 of 7 surfaces present (/llms.txt, /sitemap.xml, /.well-known/agent-card.json, /.well-known/mcp-registry-auth)

  • /llms.txt: HTTP 200, 5.8 KB of text
  • /sitemap.xml: HTTP 200, XML sitemap (5.6 KB)
  • /.well-known/x402: HTTP 404
  • /.well-known/agent-card.json: HTTP 200, valid JSON (agent "53ON")
  • /.well-known/mcp-registry-auth: HTTP 200, 67 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://53on.com/ -> HTTP 200, text/html, 44 KB
  • 2,023 characters of visible text with scripts, styles and tags removed; <title>: "53on.com · local businesses and independent pros near you"
  • 17 external scripts, 9 inline; <noscript> absent
  • first words: "OK × Fast. Easy. Shop today in our free app Open Deliver to All Automotive Home EN ▾ ● English - EN ○ Spanish - ES You are in53on Change cou..."

Fix: Nothing to fix here.

Structured data

2/2 · pass

1 JSON-LD block, Open Graph complete

  • 1 JSON-LD block: @type Organization, WebSite
  • Open Graph: og:title "53on.com · local businesses and independent pros near you"; og:description present
  • meta description: present

Fix: Nothing to fix here.

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.

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$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 53on.com. It includes:

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).

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