jina.ai.

level 3: structured interaction

Jina AI provides tools for building search applications using AI. It offers pre-built components like embeddings, rerankers, and small language models. You can use Jina AI to create search solutions for multilingual and multimodal data, such as images and text.

LEVEL 1 / BASIC ACCESSIBILITY

— 5/6

  • Uses semantic HTML elements (header, nav, main, article, section, footer) instead of just divs: PASS
  • Has proper meta tags (title, description, og:tags, twitter:card): PASS
  • Includes Schema.org JSON-LD structured data: FAIL
  • Does not block automated access with CAPTCHAs on public content: PASS
  • Content is server-side rendered (visible in HTML source, not just JS-rendered): PASS
  • Uses clean, readable URLs (no excessive query params or hash fragments): PASS

LEVEL 2 / DISCOVERABILITY

— 4/6

  • Has a robots.txt that allows legitimate bot access: FAIL
  • Provides an XML sitemap: PASS
  • Has a /llms.txt file describing the site for LLMs: FAIL
  • Publishes an OpenAPI/Swagger specification for its API: PASS
  • Has comprehensive, machine-readable documentation: PASS
  • Primary content is text-based (not locked in images/videos/PDFs): PASS

LEVEL 3 / STRUCTURED INTERACTION

— 5/6

  • Provides a structured REST or GraphQL API: PASS
  • API returns JSON responses with consistent schema: PASS
  • API supports search and filtering parameters: PASS
  • Has an A2A agent card at /.well-known/agent.json: FAIL
  • Rate limits are documented and return proper 429 responses with Retry-After: PASS
  • API returns structured error responses with error codes and messages: PASS

LEVEL 4 / AGENT INTEGRATION

— 2/6

  • Provides an MCP (Model Context Protocol) server: PASS
  • Supports WebMCP for browser-based agent interaction: FAIL
  • API supports write operations (POST/PUT/PATCH/DELETE), not just reads: FAIL
  • Supports agent-friendly authentication (API keys, OAuth client credentials): PASS
  • Supports webhooks for event notifications: FAIL
  • Write operations support idempotency keys: FAIL

LEVEL 5 / AUTONOMOUS OPERATION

— 2/6

  • Supports event streaming (SSE, WebSockets) for real-time updates: PASS
  • Supports agent-to-agent capability negotiation: FAIL
  • Has a subscription/management API for agents: FAIL
  • Supports multi-step workflow orchestration: PASS
  • Can proactively notify agents of relevant changes: FAIL
  • Supports cross-service handoff between agents: FAIL