https://carrero.es

{
  "url": "https://carrero.es",
  "timestamp": 1784268358810,
  "fetch": {
    "mode": "simple",
    "timeMs": 43,
    "htmlSizeBytes": 77298,
    "supportsMarkdown": false,
    "markdownAgents": {
      "contentNegotiation": false,
      "mdUrl": {
        "found": false,
        "url": null
      },
      "linkTag": {
        "found": false,
        "url": null
      },
      "linkHeader": {
        "found": false,
        "url": null
      },
      "responseHeaders": {
        "contentSignal": null,
        "xMarkdownTokens": null,
        "vary": null
      },
      "frontmatter": {
        "present": false,
        "fields": [],
        "level": "none"
      },
      "level": "none"
    },
    "statusCode": 200
  },
  "extraction": {
    "title": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.",
    "excerpt": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emprendediendo otra vez con Stackscale.",
    "byline": null,
    "siteName": "Carrero.es",
    "lang": "es",
    "contentLength": 577,
    "metadata": {
      "description": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emprendediendo otra vez con Stackscale.",
      "ogTitle": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.",
      "ogDescription": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emprendediendo otra vez con Stackscale.",
      "ogImage": "https://carrero.es/wp-content/uploads/2014/04/david-carrero-perfil-small.png",
      "ogType": "website",
      "canonical": "https://carrero.es/",
      "lang": "es",
      "schemas": [
        {
          "@type": [
            "Person",
            "Organization"
          ],
          "@id": "https://carrero.es/#person",
          "name": "David Carrero Fdez-Baillo",
          "sameAs": [
            "https://www.facebook.com/davidcarrero",
            "https://twitter.com/carrero"
          ]
        },
        {
          "@type": "WebSite",
          "@id": "https://carrero.es/#website",
          "url": "https://carrero.es",
          "name": "Carrero.es",
          "alternateName": "David Carrero",
          "publisher": {
            "@id": "https://carrero.es/#person"
          },
          "inLanguage": "es",
          "potentialAction": {
            "@type": "SearchAction",
            "target": "https://carrero.es/?s={search_term_string}",
            "query-input": "required name=search_term_string"
          }
        },
        {
          "@type": "ImageObject",
          "@id": "https://carrero.es/wp-content/uploads/2014/04/david-carrero-perfil-small.png",
          "url": "https://carrero.es/wp-content/uploads/2014/04/david-carrero-perfil-small.png",
          "width": "395",
          "height": "455",
          "caption": "david carrero fernandez baillo",
          "inLanguage": "es"
        },
        {
          "@type": "WebPage",
          "@id": "https://carrero.es/#webpage",
          "url": "https://carrero.es/",
          "name": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.",
          "datePublished": "2024-01-01T00:00:00+01:00",
          "dateModified": "2026-07-01T17:23:50+02:00",
          "about": {
            "@id": "https://carrero.es/#person"
          },
          "isPartOf": {
            "@id": "https://carrero.es/#website"
          },
          "primaryImageOfPage": {
            "@id": "https://carrero.es/wp-content/uploads/2014/04/david-carrero-perfil-small.png"
          },
          "inLanguage": "es"
        },
        {
          "@type": "Person",
          "@id": "https://carrero.es/author/admin/",
          "name": "David Carrero Fdez-Baillo",
          "url": "https://carrero.es/author/admin/",
          "image": {
            "@type": "ImageObject",
            "@id": "https://secure.gravatar.com/avatar/bfdfaf65290a2ec03899e508f3d59765f61efaa84e7b7a4b3c06aaaa06aa0582?s=96&d=mm&r=g",
            "url": "https://secure.gravatar.com/avatar/bfdfaf65290a2ec03899e508f3d59765f61efaa84e7b7a4b3c06aaaa06aa0582?s=96&d=mm&r=g",
            "caption": "David Carrero Fdez-Baillo",
            "inLanguage": "es"
          },
          "sameAs": [
            "http://davidcarrero.com",
            "http://www.facebook.com/davidcarrero",
            "https://twitter.com/carrero"
          ]
        },
        {
          "@type": "Article",
          "headline": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.",
          "keywords": "carrero",
          "datePublished": "2024-01-01T00:00:00+01:00",
          "dateModified": "2026-07-01T17:23:50+02:00",
          "author": {
            "@id": "https://carrero.es/author/admin/",
            "name": "David Carrero Fdez-Baillo"
          },
          "publisher": {
            "@id": "https://carrero.es/#person"
          },
          "description": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emprendediendo otra vez con Stackscale.",
          "name": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.",
          "@id": "https://carrero.es/#richSnippet",
          "isPartOf": {
            "@id": "https://carrero.es/#webpage"
          },
          "image": {
            "@id": "https://carrero.es/wp-content/uploads/2014/04/david-carrero-perfil-small.png"
          },
          "inLanguage": "es",
          "mainEntityOfPage": {
            "@id": "https://carrero.es/#webpage"
          }
        }
      ],
      "robotsMeta": "index, follow, max-snippet:-1, max-video-preview:-1, max-image-preview:large",
      "author": null,
      "generator": null,
      "markdownAlternateHref": null
    }
  },
  "markdown": "-   ## [La IA también tendrá su servidor propio: del token al cloud privado](https://carrero.es/la-ia-tambien-tendra-su-servidor-propio-del-token-al-cloud-privado/)\n\n    2026-07-14\n\n    Esta publicación nace de una idea de Javier Escribano que me parece especialmente acertada: la historia del precio de los tokens se entiende mucho mejor si se mira como una repetición de…\n\n    [Leer artículo →: La IA también tendrá su servidor propio: del token al cloud privado](https://carrero.es/la-ia-tambien-tendra-su-servidor-propio-del-token-al-cloud-privado/)\n\n    ![La IA también tendrá su servidor propio: del token al cloud privado](https://carrero.es/wp-content/uploads/2026/07/ia-servidor-propio-scaled.jpg)\n\nÚltimas entradas\n\n[Ver archivo completo →](https://carrero.es/archivo/)\n\nEl boletín de Carrero\n\n## Una idea que merece tu semana, sin ruido ni titulares de relleno\n\nCada martes, un ensayo sobre IA, internet, negocio e inversión.\n",
  "fullPageMarkdown": "Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.                                                         [Saltar al contenido](https://carrero.es/#content)\n\n[~/carrero.es](https://carrero.es/)\n\n-   Último artículo # [Negocio e inversión](https://carrero.es/category/empresas/), [Internet y sociedad](https://carrero.es/category/internet-y-sociedad/), [Programación y software](https://carrero.es/category/software/)\n\n    ## [La IA también tendrá su servidor propio: del token al cloud privado](https://carrero.es/la-ia-tambien-tendra-su-servidor-propio-del-token-al-cloud-privado/)\n\n    2026-07-14\n\n    Esta publicación nace de una idea de Javier Escribano que me parece especialmente acertada: la historia del precio de los tokens se entiende mucho mejor si se mira como una repetición de…\n\n    [Leer artículo →: La IA también tendrá su servidor propio: del token al cloud privado](https://carrero.es/la-ia-tambien-tendra-su-servidor-propio-del-token-al-cloud-privado/)\n\n    ![La IA también tendrá su servidor propio: del token al cloud privado](https://carrero.es/wp-content/uploads/2026/07/ia-servidor-propio-scaled.jpg)\n\nÚltimas entradas\n\n-   2026-07-07\n\n    ## [Europa no está perdiendo la carrera de la IA por falta de talento, sino por exceso de miedo](https://carrero.es/europa-no-esta-perdiendo-la-carrera-de-la-ia-por-falta-de-talento-sino-por-exceso-de-miedo/)\n\n    #[Internet y sociedad](https://carrero.es/category/internet-y-sociedad/), [Negocio e inversión](https://carrero.es/category/empresas/)\n\n-   2026-07-05\n\n    ## [Lo que aprendí de José Elías sobre empresa, crisis y resiliencia](https://carrero.es/lo-que-aprendi-de-jose-elias-sobre-empresa-crisis-y-resiliencia/)\n\n    #[Negocio e inversión](https://carrero.es/category/empresas/), [Internet y sociedad](https://carrero.es/category/internet-y-sociedad/)\n\n-   2026-06-30\n\n    ## [Antes de los billones, Elon Musk aprendió lo mismo que Edison, Ford o Jobs: la idea no basta](https://carrero.es/antes-de-los-billones-elon-musk-aprendio-lo-mismo-que-edison-ford-o-jobs-la-idea-no-basta/)\n\n    #[Negocio e inversión](https://carrero.es/category/empresas/), [Internet y sociedad](https://carrero.es/category/internet-y-sociedad/)\n\n-   2026-06-23\n\n    ## [La tarifa plana de la IA no durará para siempre, y quizá tampoco debería](https://carrero.es/la-tarifa-plana-de-la-ia-no-durara-para-siempre-y-quiza-tampoco-deberia/)\n\n    #[Internet y sociedad](https://carrero.es/category/internet-y-sociedad/)\n\n-   2026-06-16\n\n    ## [Claude Fable 5 y la nueva programación: del Turbo Pascal a la IA](https://carrero.es/claude-fable-5-y-la-nueva-programacion-del-turbo-pascal-a-la-ia/)\n\n    #[Programación y software](https://carrero.es/category/software/)\n\n-   2026-06-09\n\n    ## [La IA no está destruyendo empleo: está cambiando el precio del trabajo](https://carrero.es/la-ia-no-esta-destruyendo-empleo-esta-cambiando-el-precio-del-trabajo/)\n\n    #[Internet y sociedad](https://carrero.es/category/internet-y-sociedad/)\n\n[Ver archivo completo →](https://carrero.es/archivo/)\n\nEl boletín de Carrero\n\n## Una idea que merece tu semana, sin ruido ni titulares de relleno\n\nCada martes, un ensayo sobre IA, internet, negocio e inversión.\n\n Acepto recibir la newsletter y la política de privacidad.Suscribirme\n\n2.400+ suscriptores · sin spam · cancela cuando quieras\n\nUsamos cookies analíticas (Google Analytics) para medir el uso del sitio. Sin tu consentimiento, la medición es anónima y sin cookies. Más información en la [política de cookies](https://carrero.es/privacidad/).\n\nRechazar Aceptar\n",
  "markdownStats": {
    "images": 2,
    "links": 4,
    "tables": 0,
    "codeBlocks": 0,
    "headings": 2
  },
  "tokens": {
    "htmlTokens": 23832,
    "markdownTokens": 269,
    "reduction": 23563,
    "reductionPercent": 99
  },
  "score": {
    "score": 82,
    "grade": "B",
    "rubricVersion": 2,
    "dimensions": {
      "accessibility": {
        "score": 81,
        "weight": 30,
        "grade": "B",
        "checks": {
          "content_without_js": {
            "score": 100,
            "weight": 55,
            "evidence": "proven",
            "details": "Content available without JavaScript"
          },
          "fast_content_position": {
            "score": 25,
            "weight": 25,
            "evidence": "plausible",
            "details": "Main content starts at 75% of HTML"
          },
          "reasonable_page_size": {
            "score": 100,
            "weight": 20,
            "evidence": "plausible",
            "details": "Page size: 75KB"
          }
        }
      },
      "aiDiscoverability": {
        "score": 70,
        "weight": 25,
        "grade": "C",
        "checks": {
          "robots_allows_ai_bots": {
            "score": 100,
            "weight": 35,
            "evidence": "proven",
            "details": "All major AI search bots allowed"
          },
          "supports_markdown_negotiation": {
            "score": 0,
            "weight": 20,
            "evidence": "plausible",
            "details": "No Markdown for Agents support detected"
          },
          "has_sitemap": {
            "score": 100,
            "weight": 15,
            "evidence": "plausible",
            "details": "Sitemap found"
          },
          "has_robots_txt": {
            "score": 100,
            "weight": 10,
            "evidence": "plausible",
            "details": "robots.txt exists"
          },
          "has_llms_txt": {
            "score": 100,
            "weight": 10,
            "evidence": "speculative",
            "details": "llms.txt exists and is valid"
          },
          "has_content_signals": {
            "score": 0,
            "weight": 10,
            "evidence": "speculative",
            "details": "No Content-Signal found (robots.txt or HTTP headers)"
          }
        }
      },
      "structuredData": {
        "score": 100,
        "weight": 20,
        "grade": "A",
        "checks": {
          "has_schema_org": {
            "score": 100,
            "weight": 35,
            "evidence": "proven",
            "details": "JSON-LD found: Person,Organization, WebSite, ImageObject, WebPage, Person, Article"
          },
          "has_open_graph": {
            "score": 100,
            "weight": 20,
            "evidence": "plausible",
            "details": "All OG tags present"
          },
          "has_meta_description": {
            "score": 100,
            "weight": 20,
            "evidence": "plausible",
            "details": "Meta description: 155 chars"
          },
          "has_canonical_url": {
            "score": 100,
            "weight": 15,
            "evidence": "plausible",
            "details": "Canonical URL present"
          },
          "has_lang_attribute": {
            "score": 100,
            "weight": 10,
            "evidence": "plausible",
            "details": "lang=\"es\""
          }
        }
      },
      "semanticHtml": {
        "score": 89,
        "weight": 15,
        "grade": "B",
        "checks": {
          "proper_heading_hierarchy": {
            "score": 70,
            "weight": 30,
            "evidence": "plausible",
            "details": "no <h1>"
          },
          "uses_article_or_main": {
            "score": 100,
            "weight": 25,
            "evidence": "plausible",
            "details": "Has <main>"
          },
          "semantic_elements": {
            "score": 88,
            "weight": 20,
            "evidence": "plausible",
            "details": "14 semantic elements, 39 divs (ratio: 26%)"
          },
          "meaningful_alt_texts": {
            "score": 100,
            "weight": 15,
            "evidence": "plausible",
            "details": "1/1 images with meaningful alt text"
          },
          "low_div_nesting": {
            "score": 100,
            "weight": 10,
            "evidence": "speculative",
            "details": "Avg div depth: 1.8, max: 3"
          }
        }
      },
      "contentEfficiency": {
        "score": 65,
        "weight": 10,
        "grade": "C",
        "checks": {
          "token_reduction_ratio": {
            "score": 100,
            "weight": 40,
            "evidence": "speculative",
            "details": "99% token reduction (HTML→Markdown)"
          },
          "content_to_noise_ratio": {
            "score": 0,
            "weight": 30,
            "evidence": "speculative",
            "details": "Content ratio: 0.7% (577 content chars / 77298 HTML bytes)"
          },
          "reasonable_page_weight": {
            "score": 100,
            "weight": 20,
            "evidence": "speculative",
            "details": "HTML size: 75KB"
          },
          "minimal_inline_styles": {
            "score": 50,
            "weight": 10,
            "evidence": "speculative",
            "details": "3/273 elements with inline styles (1.1%)"
          }
        }
      }
    }
  },
  "recommendations": [
    {
      "id": "move_content_earlier",
      "priority": "critical",
      "category": "accessibility",
      "titleKey": "rec.move_content_earlier.title",
      "descriptionKey": "rec.move_content_earlier.description",
      "howToKey": "rec.move_content_earlier.howto",
      "effort": "moderate",
      "estimatedImpact": 5.6,
      "maxImpact": 7.5,
      "evidence": "plausible",
      "checkScore": 25,
      "checkDetails": "Main content starts at 75% of HTML"
    },
    {
      "id": "add_markdown_negotiation",
      "priority": "critical",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_markdown_negotiation.title",
      "descriptionKey": "rec.add_markdown_negotiation.description",
      "howToKey": "rec.add_markdown_negotiation.howto",
      "effort": "significant",
      "estimatedImpact": 5,
      "maxImpact": 5,
      "evidence": "plausible",
      "checkScore": 0,
      "checkDetails": "No Markdown for Agents support detected"
    },
    {
      "id": "improve_content_ratio",
      "priority": "high",
      "category": "contentEfficiency",
      "titleKey": "rec.improve_content_ratio.title",
      "descriptionKey": "rec.improve_content_ratio.description",
      "howToKey": "rec.improve_content_ratio.howto",
      "effort": "moderate",
      "estimatedImpact": 3,
      "maxImpact": 3,
      "evidence": "speculative",
      "checkScore": 0,
      "checkDetails": "Content ratio: 0.7% (577 content chars / 77298 HTML bytes)"
    },
    {
      "id": "add_content_signals",
      "priority": "high",
      "category": "aiDiscoverability",
      "titleKey": "rec.add_content_signals.title",
      "descriptionKey": "rec.add_content_signals.description",
      "howToKey": "rec.add_content_signals.howto",
      "effort": "quick-win",
      "estimatedImpact": 2.5,
      "maxImpact": 2.5,
      "evidence": "speculative",
      "checkScore": 0,
      "checkDetails": "No Content-Signal found (robots.txt or HTTP headers)"
    },
    {
      "id": "fix_heading_hierarchy",
      "priority": "medium",
      "category": "semanticHtml",
      "titleKey": "rec.fix_heading_hierarchy.title",
      "descriptionKey": "rec.fix_heading_hierarchy.description",
      "howToKey": "rec.fix_heading_hierarchy.howto",
      "effort": "quick-win",
      "estimatedImpact": 1.3,
      "maxImpact": 4.5,
      "evidence": "plausible",
      "checkScore": 70,
      "checkDetails": "no <h1>"
    },
    {
      "id": "remove_inline_styles",
      "priority": "low",
      "category": "contentEfficiency",
      "titleKey": "rec.remove_inline_styles.title",
      "descriptionKey": "rec.remove_inline_styles.description",
      "howToKey": "rec.remove_inline_styles.howto",
      "effort": "moderate",
      "estimatedImpact": 0.5,
      "maxImpact": 1,
      "evidence": "speculative",
      "checkScore": 50,
      "checkDetails": "3/273 elements with inline styles (1.1%)"
    }
  ],
  "llmsTxtPreview": "# Carrero.es\n\n> Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emprendediendo otra vez con Stackscale.\n\n## Main\n- [Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.](https://carrero.es): Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emp…\n- [~/carrero.es](https://carrero.es/)\n- [Mis inversiones BA](https://carrero.es/inversiones/)\n- [Newsletter](https://carrero.es/boletin/)\n- [Suscribete al RSS](https://carrero.es/feed)\n- [Contacto](https://carrero.es/contactar/)\n- [RSS](https://carrero.es/feed/)\n- [Internet y sociedad](https://carrero.es/category/internet-y-sociedad/)\n- [Programación y software](https://carrero.es/category/software/)\n\n",
  "llmsTxtExisting": "# Carrero.es\n\n> Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emprendediendo otra vez con Stackscale.\n\n## Main\n- [Carrero.es es el sitio personal de David Carrero Fernández-Baillo](https://carrero.es/): Carrero.es en un blog iniciado por David Carrero Fernández-Baillo. Todo sobre Internet, Tecnología y Negocios. BA y emp…\n- [Mis inversiones BA](https://carrero.es/inversiones/)\n- [Newsletter](https://carrero.es/boletin/)\n- [Suscribete al RSS](https://carrero.es/feed)\n- [Contacto](https://carrero.es/contactar/)",
  "emergingProtocols": {
    "oauthProtectedResource": {
      "exists": false,
      "url": "https://carrero.es/.well-known/oauth-protected-resource"
    },
    "oauthDiscovery": {
      "exists": false,
      "url": "https://carrero.es/.well-known/oauth-authorization-server"
    },
    "mcpServerCard": {
      "exists": false,
      "url": "https://carrero.es/.well-known/mcp/server-card.json",
      "draft": true
    },
    "a2aAgentCard": {
      "exists": false,
      "url": "https://carrero.es/.well-known/agent-card.json"
    },
    "count": 0,
    "total": 4
  },
  "botAccess": {
    "probed": true,
    "bot": "OAI-SearchBot",
    "controlStatus": 200,
    "botStatus": 200,
    "discriminates": false,
    "refusedAsBot": false,
    "edge": "Cloudflare",
    "verifiable": false,
    "detail": "This origin answers OAI-SearchBot exactly as it answers any other client (200). No edge-level filtering of AI crawlers observed."
  },
  "snippets": [
    {
      "id": "fix_heading_hierarchy",
      "title": "Fix heading hierarchy",
      "description": "Your page has no <h1>. Every page needs exactly one <h1> as the main heading. Add it inside your <main> or <article>.",
      "language": "html",
      "code": "<h1>Carrero.es en un blog iniciado por David Carrero Fernández-Baillo.</h1>",
      "filename": "<main> or <article>"
    },
    {
      "id": "add_content_signals",
      "title": "Add Content-Signal directives",
      "description": "Content-Signal tells AI agents how they may use your content. The canonical location is robots.txt, but you can also expose it as an HTTP header from any stack.",
      "language": "txt",
      "code": "User-agent: *\nContent-Signal: search=yes, ai-input=yes, ai-train=no",
      "filename": "/robots.txt",
      "stacks": [
        {
          "id": "robots",
          "label": "robots.txt",
          "language": "txt",
          "filename": "/robots.txt",
          "code": "User-agent: *\nContent-Signal: search=yes, ai-input=yes, ai-train=no"
        },
        {
          "id": "nginx",
          "label": "Nginx",
          "language": "nginx",
          "filename": "server block",
          "code": "# Inside your server { } block:\nadd_header Content-Signal \"search=yes, ai-input=yes, ai-train=no\" always;"
        },
        {
          "id": "apache",
          "label": "Apache",
          "language": "apache",
          "filename": ".htaccess",
          "code": "# In .htaccess (or VirtualHost):\nHeader set Content-Signal \"search=yes, ai-input=yes, ai-train=no\""
        },
        {
          "id": "wordpress",
          "label": "WordPress",
          "language": "php",
          "filename": "functions.php",
          "code": "<?php\n// In your theme's functions.php or a small mu-plugin\nadd_action('send_headers', function () {\n    header('Content-Signal: search=yes, ai-input=yes, ai-train=no');\n});\n\n// Optional: also append the directive to the dynamic robots.txt\nadd_filter('robots_txt', function ($output) {\n    return $output . \"\\nContent-Signal: search=yes, ai-input=yes, ai-train=no\\n\";\n}, 10, 1);"
        },
        {
          "id": "nextjs",
          "label": "Next.js",
          "language": "typescript",
          "filename": "middleware.ts",
          "code": "// middleware.ts (Next.js 13+ App Router or Pages Router)\nimport { NextResponse } from 'next/server';\nexport function middleware() {\n  const res = NextResponse.next();\n  res.headers.set(\n    'Content-Signal',\n    'search=yes, ai-input=yes, ai-train=no'\n  );\n  return res;\n}\nexport const config = { matcher: '/:path*' };"
        },
        {
          "id": "cloudflare",
          "label": "Cloudflare Workers",
          "language": "javascript",
          "filename": "worker.js",
          "code": "// Cloudflare Worker that proxies your origin and adds the header\nexport default {\n  async fetch(request, env, ctx) {\n    const res = await fetch(request);\n    const newRes = new Response(res.body, res);\n    newRes.headers.set(\n      'Content-Signal',\n      'search=yes, ai-input=yes, ai-train=no'\n    );\n    return newRes;\n  },\n};"
        },
        {
          "id": "express",
          "label": "Express / Fastify",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Express\napp.use((req, res, next) => {\n  res.setHeader('Content-Signal', 'search=yes, ai-input=yes, ai-train=no');\n  next();\n});\n\n// Fastify\nfastify.addHook('onSend', (request, reply, payload, done) => {\n  reply.header('Content-Signal', 'search=yes, ai-input=yes, ai-train=no');\n  done();\n});"
        }
      ]
    },
    {
      "id": "add_markdown_negotiation",
      "title": "Support Markdown for Agents",
      "description": "Let AI agents request a clean Markdown version of any page via content negotiation, .md alternate URLs, link tags or Link headers.",
      "language": "html",
      "code": "<!-- Mechanism 3: link tag advertising the .md alternate -->\n<link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">",
      "filename": "<head>",
      "stacks": [
        {
          "id": "html",
          "label": "HTML <head>",
          "language": "html",
          "filename": "<head>",
          "code": "<!-- Mechanism 3: link tag advertising the .md alternate -->\n<link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">"
        },
        {
          "id": "express",
          "label": "Express",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Mechanisms 1 + 4: content negotiation + Link header\napp.get('/page', (req, res) => {\n  res.setHeader('Vary', 'Accept');\n  res.setHeader('Link', '</page.md>; rel=\"alternate\"; type=\"text/markdown\"');\n  if ((req.headers.accept || '').includes('text/markdown')) {\n    res.type('text/markdown; charset=utf-8');\n    return res.send(renderMarkdown('page'));\n  }\n  res.render('page');\n});"
        },
        {
          "id": "fastify",
          "label": "Fastify",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Mechanisms 1 + 4: content negotiation + Link header\nfastify.get('/page', async (req, reply) => {\n  reply.header('Vary', 'Accept');\n  reply.header('Link', '</page.md>; rel=\"alternate\"; type=\"text/markdown\"');\n  if ((req.headers.accept || '').includes('text/markdown')) {\n    return reply.type('text/markdown; charset=utf-8').send(renderMarkdown('page'));\n  }\n  return reply.view('/page.ejs');\n});"
        },
        {
          "id": "nextjs",
          "label": "Next.js",
          "language": "typescript",
          "filename": "app/page/route.ts",
          "code": "// Next.js App Router — Route Handler returning Markdown\nimport { NextRequest } from 'next/server';\nimport { renderMarkdown } from '@/lib/md';\nexport async function GET(req: NextRequest) {\n  const accept = req.headers.get('accept') || '';\n  if (accept.includes('text/markdown')) {\n    return new Response(await renderMarkdown('page'), {\n      headers: {\n        'Content-Type': 'text/markdown; charset=utf-8',\n        'Vary': 'Accept',\n      },\n    });\n  }\n  // Fall through to the page component\n  return new Response(null, { status: 404 });\n}"
        },
        {
          "id": "wordpress",
          "label": "WordPress",
          "language": "php",
          "filename": "functions.php",
          "code": "<?php\n// Mechanism 1: respond to Accept: text/markdown on the same URL\nadd_action('template_redirect', function () {\n    if (!is_singular()) return;\n    $accept = $_SERVER['HTTP_ACCEPT'] ?? '';\n    if (strpos($accept, 'text/markdown') === false) return;\n    header('Content-Type: text/markdown; charset=utf-8');\n    header('Vary: Accept');\n    $post = get_queried_object();\n    echo \"# \" . get_the_title($post) . \"\\n\\n\";\n    echo wp_strip_all_tags(apply_filters('the_content', $post->post_content));\n    exit;\n});"
        },
        {
          "id": "static",
          "label": "Hugo / Jekyll / Astro",
          "language": "txt",
          "filename": "static/page.md",
          "code": "# Mechanism 2: serve .md alongside .html\n# Hugo: place page.md in /static/ — built unchanged\n# Jekyll: drop page.md in /assets/ — copied as-is\n# Astro: src/pages/page.md.ts that exports a GET returning markdown\n\n# Then advertise with mechanism 3 in <head>:\n#   <link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">"
        }
      ]
    }
  ]
}

APIを使用してプログラムで取得できます（近日公開）