Developer Tools · Verified 60+

62 / 100

RankBull: free SEO tools to compare websites, check keyword rankings, generate schema, meta tags, SERP previews, and grow visibility on Google, ChatGPT, and Perplexity.

Scanned 2h ago · 3 views · Open site

Checks

• HTTPS5/5

  Served over HTTPS.

• llms.txt12/12

  Found /llms.txt (21787 chars).

• Agent manifest0/15

  No /.well-known/ai-agent.json.

  Fix: Publish https://rankbull.io/.well-known/ai-agent.json with name, description, capabilities, contact, auth, and pricing.

• A2A agent card0/12

  No /.well-known/agent-card.json.

  Fix: Publish https://rankbull.io/.well-known/agent-card.json with name, url, and skills or capabilities.

• MCP endpoint12/12

  Discoverable MCP metadata or endpoint.

• OpenAPI spec12/12

  Valid OpenAPI/Swagger document.

• Named capabilities4/8

  Only 3 named capability(ies).

  Fix: List named capabilities in the agent manifest, agent card skills, or OpenAPI path summaries.

• I/O schemas8/8

  Found 7 schema signals.

• Machine-readable pricing4/8

  Pricing mentioned in llms.txt, but not as structured data.

  Fix: Add a pricing object to ai-agent.json, or publish /pricing.json with currency and product amounts.

• Auth, contact, rate limits5/8

  Declared: contact, auth.

  Fix: Declare contact, auth, and rateLimit in ai-agent.json (and OpenAPI info.contact / securitySchemes).

5 checks short of a perfect 100. The fix lines above are the report — what to publish, at which path.

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