lumc.nl

# /llms.txt
# lumc.nl

> lumc.nl - your site description here.

## Docs
- [Getting Started](https://lumc.nl/docs/getting-started)
- [API Reference](https://lumc.nl/docs/api)

## Optional
- [Blog](https://lumc.nl/blog)
- [Changelog](https://lumc.nl/changelog)

# Express.js middleware
app.get('*', (req, res, next) => {
  if (req.accepts('text/markdown')) {
    res.set('Content-Type', 'text/markdown')
    res.set('Vary', 'Accept')
    return res.sendFile(markdownPath(req.path))
  }
  next()
})

# Phoenix / Plug
case get_req_header(conn, "accept") do
  [accept | _] when accept =~ "text/markdown" ->
    conn
    |> put_resp_content_type("text/markdown")
    |> put_resp_header("vary", "Accept")
    |> send_resp(200, markdown_for(conn.request_path))
    |> halt()
  _ -> conn
end

# Test: curl -H "Accept: text/markdown" https://lumc.nl/

<form tool-name="search" tool-description="Search products by keyword">
  <input type="text" name="query" tool-param-description="Search query">
  <button type="submit">Search</button>
</form>

{
  "name": "My Agent",
  "description": "An AI assistant for customer support",
  "url": "https://lumc.nl/agent",
  "version": "1.0.0",
  "capabilities": {
    "streaming": true,
    "pushNotifications": false
  },
  "supportedInterfaces": [
    {
      "url": "https://lumc.nl/mcp",
      "transport": "http",
      "protocol": "MCP/2025-06-18",
      "protocolBinding": "MCP",
      "protocolVersion": "2025-06-18"
    }
  ],
  "preferredTransport": "MCP",
  "skills": [
    {"id": "support", "name": "Customer Support"}
  ]
}

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is AI agent readiness?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "AI agent readiness measures how well a website can be discovered, understood, and interacted with by AI systems."
      }
    },
    {
      "@type": "Question",
      "name": "How do I improve my AI readiness score?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add structured data, ensure clean semantic HTML, allow AI crawlers in robots.txt, and implement agent protocols."
      }
    }
  ]
}
</script>

<!-- Option 1: JSON-LD author in Article (preferred) -->
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Article",
  "headline": "Your Article Title",
  "author": {
    "@type": "Person",
    "name": "Jane Smith",
    "url": "https://lumc.nl/team/jane-smith"
  }
}
</script>

<!-- Option 2: Meta tag -->
<meta name="author" content="Jane Smith">

<!-- Option 3: Linked author -->
<a rel="author" href="https://lumc.nl/team/jane-smith">Jane Smith</a>

# Add to /robots.txt:
Content-Signal: ai-train=yes, search=yes, ai-input=yes

<!-- Option 1: JSON-LD (preferred) -->
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Article",
  "headline": "Your Article Title",
  "datePublished": "2026-01-15T09:00:00Z",
  "dateModified": "2026-02-28T14:30:00Z"
}
</script>

<!-- Option 2: Open Graph meta tags -->
<meta property="article:published_time" content="2026-01-15T09:00:00Z">
<meta property="article:modified_time" content="2026-02-28T14:30:00Z">

<!-- Option 3: HTML time element -->
<time datetime="2026-02-28T14:30:00Z">Updated February 28, 2026</time>

<!-- Server-level: Ensure Last-Modified header is sent -->
# Nginx: add_header Last-Modified $date_gmt;
# Apache: FileETag MTime (default)

# Nginx
add_header Link '</.well-known/api-catalog>; rel="api-catalog", </openapi.json>; rel="service-desc", </sitemap.xml>; rel="sitemap"' always;

# Phoenix / Plug
plug :put_link_headers

defp put_link_headers(conn, _opts) do
  put_resp_header(
    conn,
    "link",
    "</.well-known/api-catalog>; rel=\"api-catalog\", " <>
      "</openapi.json>; rel=\"service-desc\", " <>
      "</sitemap.xml>; rel=\"sitemap\""
  )
end

# Test: curl -I https://lumc.nl/ | grep -i '^link:'

{
  "openapi": "3.1.0",
  "info": {
    "title": "My API",
    "version": "1.0.0"
  },
  "paths": {
    "/api/search": {
      "get": {
        "summary": "Search items",
        "parameters": [
          {"name": "q", "in": "query", "schema": {"type": "string"}}
        ]
      }
    }
  }
}

# Serve OAuth 2.0 Authorization Server Metadata at:
# https://example.com/.well-known/oauth-authorization-server
{
  "issuer": "https://example.com",
  "authorization_endpoint": "https://example.com/oauth/authorize",
  "token_endpoint": "https://example.com/oauth/token",
  "response_types_supported": ["code"],
  "grant_types_supported": ["authorization_code", "refresh_token"]
}

# Serve OAuth Protected Resource Metadata at:
# https://example.com/.well-known/oauth-protected-resource
{
  "resource": "https://api.example.com",
  "authorization_servers": ["https://example.com"],
  "bearer_methods_supported": ["header"]
}

<input type="email" name="email" autocomplete="email">
<input type="text" name="name" autocomplete="name">
<input type="tel" name="phone" autocomplete="tel">
<input type="text" name="address" autocomplete="street-address">

<!-- Instead of keyword-focused headings: -->
<h2>Domain Authority Metrics</h2>
<h2>SEO Best Practices</h2>

<!-- Use question-based headings: -->
<h2>How does domain authority affect AI citations?</h2>
<h2>What SEO practices improve AI visibility?</h2>
<h2>Why do AI systems prefer structured content?</h2>

{
  "linkset": [
    {
      "anchor": "https://example.com/api/v1",
      "service-desc": [
        {"href": "https://example.com/openapi.json", "type": "application/openapi+json"}
      ],
      "service-doc": [
        {"href": "https://example.com/docs", "type": "text/html"}
      ],
      "status": [
        {"href": "https://example.com/health", "type": "application/json"}
      ]
    }
  ]
}

{
  "$schema": "https://raw.githubusercontent.com/cloudflare/agent-skills-discovery-rfc/main/schema/index.schema.json",
  "version": "0.2.0",
  "skills": [
    {
      "name": "search-products",
      "type": "skill-md",
      "description": "Search the product catalog",
      "url": "https://example.com/.well-known/agent-skills/search-products/SKILL.md",
      "digest": "sha256:abc123..."
    }
  ]
}

{
  "spec": "webmcp/0.1",
  "tools": [
    {
      "name": "search",
      "description": "Search products",
      "url": "/search",
      "method": "GET",
      "parameters": [
        {"name": "q", "type": "string", "description": "Search query"}
      ]
    }
  ]
}

{
  "$schema": "https://modelcontextprotocol.io/schema/server-card.json",
  "name": "My Server",
  "serverInfo": {"name": "My Server", "version": "1.0.0"},
  "transport": {"type": "streamable-http", "endpoint": "https://lumc.nl/mcp"},
  "capabilities": {"tools": {"listChanged": false}}
}

{
  "agents": [
    {
      "name": "Support Agent",
      "description": "Handles customer inquiries",
      "url": "https://lumc.nl/agents/support",
      "protocol": "a2a"
    }
  ]
}

<!-- Explicit label association -->
<label for="email">Email address</label>
<input type="email" id="email" name="email">

<!-- Wrapping label -->
<label>
  Search
  <input type="search" name="q">
</label>

<!-- ARIA label for icon-only inputs -->
<input type="search" aria-label="Search the site">

<body>
  <header>
    <nav><!-- primary navigation --></nav>
  </header>
  <main>
    <article>
      <h1>Page Title</h1>
      <section><!-- content section --></section>
    </article>
  </main>
  <footer><!-- site footer --></footer>
</body>

<!-- Descriptive alt text for meaningful images -->
<img src="chart.png" alt="Revenue growth chart showing 40% increase in Q4 2025">

<!-- Empty alt for purely decorative images -->
<img src="divider.svg" alt="">

<!-- Bad: positive tabindex breaks natural order -->
<div tabindex="5" onclick="doSomething()">Click me</div>

<!-- Good: native elements with natural focus -->
<button onclick="doSomething()">Click me</button>

<!-- Good: custom widget with role and tabindex="0" -->
<div role="button" tabindex="0" onclick="doSomething()">Click me</div>