https://claude.com

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  "markdown": "## Think fast,\nbuild faster\n\nBrainstorm in chat, build in Cowork\n\nBy continuing, you acknowledge Anthropic's [Privacy Policy](https://www.anthropic.com/legal/privacy) and agree to get occasional promotional emails and notifications.\n\n### Free\n\nTry Claude\n\n$0\n\nFree for everyone\n\n-   Chat on web, iOS, Android, and on your desktop\n-   Generate code and visualize data\n-   Write, edit, and create content\n-   Ability to search the web\n-   Memory across conversations\n-   Create files and execute code\n-   Unlock more from Claude with desktop extensions\n-   Connect Slack and Google Workspace services\n-   Integrate any context or tool through connectors with remote MCP\n-   Extended thinking for complex work\n\n### Pro\n\nFor everyday productivity\n\n$17\n\nPer month with annual subscription discount ($200 billed up front). $20 if billed monthly.\n\n**Everything in Free, plus:**\n\n-   More usage\\*\n-   Includes Claude Code\n-   Includes Claude Cowork\n-   Includes Claude Design\n-   Includes Claude Science\n-   Access to unlimited projects to organize chats and documents\n-   Access to Research\n-   Ability to use more Claude models\n-   Claude for Microsoft 365\n\n### Max\n\n5–20x more usage than Pro\n\nFrom $100\n\nPer month\n\n**Everything in Pro, plus:**\n\n-   Choose 5x or 20x more usage than Pro\\*\n-   Higher output limits for all tasks\n-   Early access to advanced Claude features\n-   Priority access at high traffic times\n\n\\*[Usage limits apply.](https://support.anthropic.com/en/articles/9797557-usage-limit-best-practices) Prices shown don't include applicable tax. Prices and plans are subject to change at Anthropic's discretion.\n",
  "fullPageMarkdown": "Claude\n\n[Skip to main content](https://claude.com/#main-content)\n\n[](https://claude.com/)\n\n[Contact sales](https://claude.com/contact-sales)[Try Claude](https://claude.ai/)\n\n# Think fast,\nbuild faster\n\nBrainstorm in chat, build in Cowork\n\nContinue with Google\n\nor\n\n[Continue with email](https://claude.ai/?redirect=claude.com&via=static_email)\n\nContinue with SSO\n\nBy continuing, you acknowledge Anthropic's [Privacy Policy](https://www.anthropic.com/legal/privacy) and agree to get occasional promotional emails and notifications.\n\nDownload desktop app\n\n## Explore plans\n\nIndividualTeam and Enterprise\n\n### Free\n\nTry Claude\n\n$0\n\nFree for everyone\n\n[Try Claude](https://claude.ai/login?plan=free)\n\n-   Chat on web, iOS, Android, and on your desktop\n-   Generate code and visualize data\n-   Write, edit, and create content\n-   Ability to search the web\n-   Memory across conversations\n-   Create files and execute code\n-   Unlock more from Claude with desktop extensions\n-   Connect Slack and Google Workspace services\n-   Integrate any context or tool through connectors with remote MCP\n-   Extended thinking for complex work\n\n### Pro\n\nFor everyday productivity\n\n$17\n\nPer month with annual subscription discount ($200 billed up front). $20 if billed monthly.\n\n[Try Claude](https://claude.ai/login?plan=pro)\n\nNo commitment · Cancel anytime\n\n**Everything in Free, plus:**\n\n-   More usage\\*\n-   Includes Claude Code\n-   Includes Claude Cowork\n-   Includes Claude Design\n-   Includes Claude Science\n-   Access to unlimited projects to organize chats and documents\n-   Access to Research\n-   Ability to use more Claude models\n-   Claude for Microsoft 365\n\n### Max\n\n5–20x more usage than Pro\n\nFrom $100\n\nPer month\n\n[Try Claude](https://claude.ai/login?plan=max)\n\nNo commitment · Cancel anytime\n\n**Everything in Pro, plus:**\n\n-   Choose 5x or 20x more usage than Pro\\*\n-   Higher output limits for all tasks\n-   Early access to advanced Claude features\n-   Priority access at high traffic times\n\n\\*[Usage limits apply.](https://support.anthropic.com/en/articles/9797557-usage-limit-best-practices) Prices shown don't include applicable tax. Prices and plans are subject to change at Anthropic's discretion.\n\n\\*[Usage limits apply.](https://support.anthropic.com/en/articles/9797557-usage-limit-best-practices) Prices and plans are subject to change at Anthropic's discretion.\n\n## FAQ\n\n### What is Claude and how does it work?\n\nClaude is an artificial intelligence, trained by Anthropic using Constitutional AI to be safe, accurate, and secure — the trusted assistant for you to do your best work.\n\nYou can use Claude for your own personal use or create a Team account to collaborate with your teammates. [Learn more about Claude](https://claude.com/product/overview).\n\n### What should I use Claude for?\n\nIf you can dream it, Claude can help you do it. Claude can process large amounts of information, brainstorm ideas, generate text and code, help you understand subjects, coach you through difficult situations, simplify your busywork so you can focus on what matters most, and so much more.\n\n### How much does it cost to use?\n\nClaude has five pricing plans available — Free, Pro, Max, Team, and Enterprise. The Free plan offers limited use with no payment required. [Learn more about available pricing plans](https://claude.com/pricing).\n",
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  "llmsTxtPreview": "# Claude\n\n> Claude is a next generation AI assistant built by Anthropic and trained to be safe, accurate, and secure to help you do your best work.\n\n## Main\n- [Claude](https://claude.com): Claude is a next generation AI assistant built by Anthropic and trained to be safe, accurate, and secure to help you do…\n- [Claude](https://claude.com/product/overview)\n- [Claude Code](https://claude.com/product/claude-code)\n- [Claude Cowork](https://claude.com/product/cowork)\n- [@Claude](https://claude.com/product/tag)\n- [Design](https://claude.com/product/design)\n- [Science](https://claude.com/product/claude-science)\n- [Security](https://claude.com/product/claude-security)\n- [Pricing](https://claude.com/pricing)\n- [AI agents](https://claude.com/solutions/agents)\n- [Coding](https://claude.com/solutions/coding)\n- [Commerce](https://claude.com/solutions/commerce)\n- [Enterprise](https://claude.com/solutions/enterprise)\n- [Cybersecurity](https://claude.com/solutions/cybersecurity)\n- [Customer support](https://claude.com/solutions/customer-support)\n- [Financial services](https://claude.com/solutions/financial-services)\n- [Government](https://claude.com/solutions/government)\n- [Healthcare](https://claude.com/solutions/healthcare)\n- [Higher education](https://claude.com/solutions/education)\n- [K-12 teachers](https://claude.com/solutions/teachers)\n- [Life sciences](https://claude.com/solutions/life-sciences)\n- [Nonprofits](https://claude.com/solutions/nonprofits)\n- [Claude Code for Enterprise](https://claude.com/product/claude-code/enterprise)\n- [Code modernization](https://claude.com/solutions/code-modernization)\n- [Small business](https://claude.com/solutions/small-business)\n- [Scientists](https://claude.com/programs/team-plan-for-scientists)\n- [Claude in Chrome](https://claude.com/claude-in-chrome)\n- [Claude for Microsoft 365](https://claude.com/claude-for-microsoft-365)\n- [Skills](https://claude.com/skills)\n- [Overview](https://claude.com/platform/api)\n- [Ecosystem](https://claude.com/ecosystem)\n- [Marketplace](https://claude.com/platform/marketplace)\n- [Connectors](https://claude.com/connectors)\n- [Plugins](https://claude.com/plugins)\n\n## Blog\n- [Blog](https://claude.com/blog)\n\n## Legal\n- [Legal](https://claude.com/solutions/legal)\n\n## Support\n- [Contact sales](https://claude.com/contact-sales)\n\n",
  "llmsTxtExisting": "# Claude\n\nClaude is an AI assistant created by Anthropic that can help with a wide variety of tasks including analysis, writing, math, coding, creative projects, and thoughtful conversation. Available through the web, mobile apps, API, and enterprise solutions for businesses of all sizes.\n\n## Products\n\n- [Product overview](https://claude.com/product/overview): Overview of Claude's capabilities and features  \n- [Claude Code](https://claude.com/product/claude-code): Command-line coding tool for developers\n\n## Features\n\n- [Claude and Slack](https://claude.com/claude-and-slack): Use Claude directly in Slack for drafting, research, and meeting prep  \n- [Claude in Excel](https://claude.com/claude-for-excel): Spreadsheet agent for formula explanations, scenario testing, and model building\n\n## Pricing and plans\n\n- [Pricing](https://claude.com/pricing): Complete pricing information for all Claude plans  \n- [Max](https://claude.com/pricing/max): Premium plan with advanced capabilities and priority access  \n- [Team](https://claude.com/pricing/team): Team plan collaboration features and organizational tools  \n- [Enterprise](https://claude.com/pricing/enterprise): Enterprise plan features, use cases, and custom solutions\n\n## Claude Developer Platform\n\n- [Claude API](https://claude.com/platform/api): Claude API documentation and integration guide  \n- [Developer documentation](https://docs.anthropic.com/en/home): Complete technical documentation and guides  \n- [Developer newsletter](https://claude.com/newsletter/developers): Newsletter for developers\n\n## Solutions by use case\n\n- [AI agents](https://claude.com/solutions/agents): AI agents and automation solutions  \n- [Coding](https://claude.com/solutions/coding): Development and programming assistance\n\n## Solutions by industry\n\n- [Customer support](https://claude.com/solutions/customer-support): Customer service automation  \n- [Education](https://claude.com/solutions/education): Educational tools and learning support  \n- [Financial services](https://claude.com/solutions/financial-services): Financial analysis and compliance tools  \n- [Government](https://claude.com/solutions/government): Government and public sector solutions  \n- [Life sciences](https://claude.com/solutions/life-sciences): Research synthesis, protocol generation, bioinformatics, and regulatory compliance for pharma and biotech\n\n## Customer stories\n\n- [Customer stories](https://claude.com/customers): Case studies and customer success stories\n\n## Business and partnerships\n\n- [Model Context Protocol](https://claude.com/partners/mcp): Model Context Protocol partnerships  \n- [Powered by Claude](https://claude.com/partners/powered-by-claude): Integration partnerships  \n- [Amazon Bedrock](https://claude.com/partners/amazon-bedrock): AWS Bedrock integration  \n- [Google Cloud Vertex AI](https://claude.com/partners/google-cloud-vertex-ai): Google Cloud integration  \n- [Service partners](https://claude.com/partners/services): Professional service partnerships\n\n## Programs\n\n- [Startup program](https://claude.com/programs/startups): Startup program benefits and application  \n- [Campus program](https://claude.com/programs/campus): University and educational institution program\n\n## Support & resources\n\n- [Contact sales](https://claude.com/contact-sales): Enterprise sales contact information  \n- [Blog](https://claude.com/blog): Product news and best practices for teams building with Claude.  \n- [Use cases](https://claude.com/resources/use-cases): Learn how to turn research into presentations that stick. Claude helps translate findings into slide outlines and speaker notes that show what's compelling, how to structure the story, and which visuals would help—giving you the framework to build your presentation.  \n- [Regional availability](https://claude.com/app-unavailable-in-region): Regional availability information  \n- [Unsubscribe](https://claude.com/unsubscribe): Email unsubscribe\n\n## Contact\n\n- Website: [https://claude.com](https://claude.com)  \n- Sales: [https://claude.com/contact-sales](https://claude.com/contact-sales)  \n- Company: Anthropic\n\n## Last updated\n\nNovember 25, 2025",
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        },
        {
          "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）