L1

www.keel3.ai.

level 1: basic accessibility

Keel3 is an AI transformation partner that helps organizations shift from routine, heads-down work to strategic, heads-up thinking. They deliver working AI prototypes, team enablement programs, and support durable AI adoption within businesses. Their offerings include consulting services, an AI assistant named Oliver, and a Labs platform for experimentation.
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) FAIL
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
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 PASS
Publishes an OpenAPI/Swagger specification for its API FAIL
Has comprehensive, machine-readable documentation FAIL
Primary content is text-based (not locked in images/videos/PDFs) PASS
Provides a structured REST or GraphQL API FAIL
API returns JSON responses with consistent schema FAIL
API supports search and filtering parameters FAIL
Has an A2A agent card at /.well-known/agent.json FAIL
Rate limits are documented and return proper 429 responses with Retry-After FAIL
API returns structured error responses with error codes and messages FAIL
Provides an MCP (Model Context Protocol) server FAIL
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) FAIL
Supports webhooks for event notifications FAIL
Write operations support idempotency keys FAIL
Supports event streaming (SSE, WebSockets) for real-time updates FAIL
Supports agent-to-agent capability negotiation FAIL
Has a subscription/management API for agents FAIL
Supports multi-step workflow orchestration FAIL
Can proactively notify agents of relevant changes FAIL
Supports cross-service handoff between agents FAIL