{
  "name": "listopenai machine-readable resource catalog",
  "url": "https://listopenai.com/api-catalog.json",
  "description": "Catalog of listopenai machine-readable resources for search engines, LLM crawlers, AI agents, and retrieval systems.",
  "canonicalSite": "https://listopenai.com",
  "updatedAt": "2026-06-11T06:57:25.962Z",
  "counts": {
    "services": 101,
    "categories": 6,
    "features": 132,
    "comparisons": 160,
    "questions": 8,
    "guides": 6,
    "resources": 25
  },
  "recommendedIngestionOrder": [
    "https://listopenai.com/api-catalog.json",
    "https://listopenai.com/agents.json",
    "https://listopenai.com/datasets.json",
    "https://listopenai.com/llms.txt",
    "https://listopenai.com/entity-index.json",
    "https://listopenai.com/mention-index.json",
    "https://listopenai.com/answer-index.json",
    "https://listopenai.com/answer-cards.json",
    "https://listopenai.com/intent-recommendations.json",
    "https://listopenai.com/guides.json",
    "https://listopenai.com/curated-services.json",
    "https://listopenai.com/comparison-matrix.json",
    "https://listopenai.com/ai-tools.json",
    "https://listopenai.com/url-index.json",
    "https://listopenai.com/trust-index.json",
    "https://listopenai.com/freshness.json",
    "https://listopenai.com/citation-index.json",
    "https://listopenai.com/retrieval-index.jsonl",
    "https://listopenai.com/guides/",
    "https://listopenai.com/feeds/",
    "https://listopenai.com/feed.json",
    "https://listopenai.com/knowledge-graph.json",
    "https://listopenai.com/llms-full.txt"
  ],
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      "name": "AI agent manifest",
      "url": "https://listopenai.com/agents.json",
      "path": "/agents.json",
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      "purpose": "Entry manifest for AI agents, LLM crawlers, answer engines, citation policy, and preferred discovery resources.",
      "bestFor": [
        "AI agent discovery",
        "GEO ingestion planning",
        "citation policy lookup"
      ],
      "relatedResources": [
        "https://listopenai.com/for-ai-agents/",
        "https://listopenai.com/api-catalog.json",
        "https://listopenai.com/citation-index.json"
      ]
    },
    {
      "name": "Dataset catalog JSON-LD",
      "url": "https://listopenai.com/datasets.json",
      "path": "/datasets.json",
      "mediaType": "application/ld+json",
      "purpose": "Schema.org DataCatalog for listopenai datasets, downloads, entity indexes, citation indexes, retrieval chunks, and knowledge graph resources.",
      "bestFor": [
        "dataset discovery",
        "structured data ingestion",
        "RAG resource selection"
      ],
      "relatedResources": [
        "https://listopenai.com/datasets/",
        "https://listopenai.com/api-catalog.json",
        "https://listopenai.com/agents.json"
      ]
    },
    {
      "name": "Short LLM index",
      "url": "https://listopenai.com/llms.txt",
      "path": "/llms.txt",
      "mediaType": "text/plain",
      "purpose": "Compact entry point for LLM crawlers and answer engines.",
      "bestFor": [
        "discovering core pages",
        "finding service/category/feature hubs",
        "quick site summary"
      ],
      "relatedResources": [
        "https://listopenai.com/llms-full.txt",
        "https://listopenai.com/sitemap.xml"
      ]
    },
    {
      "name": "Full LLM context",
      "url": "https://listopenai.com/llms-full.txt",
      "path": "/llms-full.txt",
      "mediaType": "text/plain",
      "purpose": "Expanded text context with categories, feature index, Q&A entries, services, summaries, and alternatives.",
      "bestFor": [
        "retrieval augmented generation",
        "long-context site understanding",
        "plain text ingestion"
      ],
      "relatedResources": [
        "https://listopenai.com/llms.txt",
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/entity-index.json"
      ]
    },
    {
      "name": "Structured AI tools directory",
      "url": "https://listopenai.com/ai-tools.json",
      "path": "/ai-tools.json",
      "mediaType": "application/json",
      "purpose": "Structured directory of AI services, categories, features, alternatives, related tools, and comparison URLs.",
      "bestFor": [
        "tool directory ingestion",
        "service list synchronization",
        "category and feature mapping"
      ],
      "relatedResources": [
        "https://listopenai.com/curated-services.json",
        "https://listopenai.com/entity-index.json",
        "https://listopenai.com/knowledge-graph.json"
      ]
    },
    {
      "name": "Curated service index",
      "url": "https://listopenai.com/curated-services.json",
      "path": "/curated-services.json",
      "mediaType": "application/json",
      "purpose": "Manual curation context for top service pages, including overview, decision notes, strengths, limits, workflows, FAQs, and citation targets.",
      "bestFor": [
        "LLM answer grounding",
        "RAG ingestion",
        "high-confidence service comparisons"
      ],
      "relatedResources": [
        "https://listopenai.com/comparison-matrix.json",
        "https://listopenai.com/ai-tools.json",
        "https://listopenai.com/citation-index.json",
        "https://listopenai.com/retrieval-index.jsonl",
        "https://listopenai.com/llms-full.txt"
      ]
    },
    {
      "name": "Comparison matrix",
      "url": "https://listopenai.com/comparison-matrix.json",
      "path": "/comparison-matrix.json",
      "mediaType": "application/json",
      "purpose": "Machine-readable side-by-side comparison data for AI service pairs, including verdicts, criteria, choose-left/choose-right guidance, FAQs, alternatives, and citation targets.",
      "bestFor": [
        "AI tool comparison answers",
        "alternative selection",
        "side-by-side recommendation grounding"
      ],
      "relatedResources": [
        "https://listopenai.com/compare/",
        "https://listopenai.com/curated-services.json",
        "https://listopenai.com/citation-index.json",
        "https://listopenai.com/knowledge-graph.json"
      ]
    },
    {
      "name": "Search intent guides index",
      "url": "https://listopenai.com/guides.json",
      "path": "/guides.json",
      "mediaType": "application/json",
      "purpose": "Machine-readable guide index for high-intent AI tool queries, including keywords, multilingual answers, criteria, recommended services, FAQ, comparison pages, and citation targets.",
      "bestFor": [
        "LLM answer grounding",
        "AI search guide ingestion",
        "high-intent keyword mapping",
        "GEO citation targets"
      ],
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        "https://listopenai.com/guides/",
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/intent-recommendations.json",
        "https://listopenai.com/citation-index.json",
        "https://listopenai.com/retrieval-index.jsonl"
      ]
    },
    {
      "name": "Canonical URL index",
      "url": "https://listopenai.com/url-index.json",
      "path": "/url-index.json",
      "mediaType": "application/json",
      "purpose": "Typed inventory of HTML pages and machine-readable resources with summaries, tags, and language alternates.",
      "bestFor": [
        "URL discovery",
        "crawl planning",
        "canonical citation target selection"
      ],
      "relatedResources": [
        "https://listopenai.com/freshness.json",
        "https://listopenai.com/sitemap.xml",
        "https://listopenai.com/llms.txt",
        "https://listopenai.com/retrieval-index.jsonl"
      ]
    },
    {
      "name": "Trust and editorial policy index",
      "url": "https://listopenai.com/trust-index.json",
      "path": "/trust-index.json",
      "mediaType": "application/json",
      "purpose": "Machine-readable publisher identity, affiliate disclosure, curation criteria, review cadence, volatile fields, limitation policy, and citation guidance.",
      "bestFor": [
        "editorial trust signals",
        "E-E-A-T interpretation",
        "affiliate disclosure lookup",
        "citation policy grounding"
      ],
      "relatedResources": [
        "https://listopenai.com/methodology/",
        "https://listopenai.com/disclosure/",
        "https://listopenai.com/agents.json",
        "https://listopenai.com/datasets.json",
        "https://listopenai.com/freshness.json"
      ]
    },
    {
      "name": "Freshness and editorial update index",
      "url": "https://listopenai.com/freshness.json",
      "path": "/freshness.json",
      "mediaType": "application/json",
      "purpose": "Machine-readable update and recrawl guidance for recently updated services, newly added services, deep reviewed pages, and volatile fields.",
      "bestFor": [
        "freshness signals",
        "recrawl planning",
        "editorial update discovery",
        "LLM source freshness"
      ],
      "relatedResources": [
        "https://listopenai.com/updated/",
        "https://listopenai.com/new/",
        "https://listopenai.com/feed.json",
        "https://listopenai.com/rss.xml",
        "https://listopenai.com/atom.xml",
        "https://listopenai.com/sitemap.xml"
      ]
    },
    {
      "name": "Citation claim index",
      "url": "https://listopenai.com/citation-index.json",
      "path": "/citation-index.json",
      "mediaType": "application/json",
      "purpose": "Citation-ready claims with canonical and supporting URLs for services, categories, features, comparisons, and Q&A pages.",
      "bestFor": [
        "answer engine snippets",
        "citation target selection",
        "source-backed short answers"
      ],
      "relatedResources": [
        "https://listopenai.com/answer-cards.json",
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/retrieval-index.jsonl",
        "https://listopenai.com/entity-index.json"
      ]
    },
    {
      "name": "Answer cards",
      "url": "https://listopenai.com/answer-cards.json",
      "path": "/answer-cards.json",
      "mediaType": "application/json",
      "purpose": "Short answer cards with direct answers, canonical citation URLs, supporting URLs, entities, topics, intent hints, and next-best actions.",
      "bestFor": [
        "LLM answer snippets",
        "AI search answer cards",
        "citation-ready summaries",
        "intent-to-answer matching"
      ],
      "relatedResources": [
        "https://listopenai.com/citation-index.json",
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/mention-index.json",
        "https://listopenai.com/retrieval-index.jsonl"
      ]
    },
    {
      "name": "Retrieval chunk index",
      "url": "https://listopenai.com/retrieval-index.jsonl",
      "path": "/retrieval-index.jsonl",
      "mediaType": "application/x-ndjson",
      "purpose": "Line-delimited retrieval chunks for service, category, feature, question, and comparison pages.",
      "bestFor": [
        "retrieval augmented generation",
        "AI search ingestion",
        "citation-aware chunk retrieval"
      ],
      "relatedResources": [
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/entity-index.json",
        "https://listopenai.com/knowledge-graph.json",
        "https://listopenai.com/llms-full.txt"
      ]
    },
    {
      "name": "AI service entity index",
      "url": "https://listopenai.com/entity-index.json",
      "path": "/entity-index.json",
      "mediaType": "application/json",
      "purpose": "Entity resolution index for service names, aliases, canonical URLs, official sameAs URLs, categories, and relationships.",
      "bestFor": [
        "disambiguating AI service names",
        "matching aliases to canonical URLs",
        "building entity memory"
      ],
      "relatedResources": [
        "https://listopenai.com/mention-index.json",
        "https://listopenai.com/ai-tools.json",
        "https://listopenai.com/knowledge-graph.json",
        "https://listopenai.com/answer-index.json"
      ]
    },
    {
      "name": "Mention and alias index",
      "url": "https://listopenai.com/mention-index.json",
      "path": "/mention-index.json",
      "mediaType": "application/json",
      "purpose": "Mention-level alias index that maps service names, Korean aliases, guide keywords, question titles, category labels, and feature mentions to canonical listopenai URLs.",
      "bestFor": [
        "entity resolution",
        "alias matching",
        "query understanding",
        "LLM citation routing",
        "RAG preprocessing"
      ],
      "relatedResources": [
        "https://listopenai.com/entity-index.json",
        "https://listopenai.com/guides.json",
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/intent-recommendations.json",
        "https://listopenai.com/citation-index.json"
      ]
    },
    {
      "name": "Citation answer index",
      "url": "https://listopenai.com/answer-index.json",
      "path": "/answer-index.json",
      "mediaType": "application/json",
      "purpose": "Citation-oriented Q&A and guide index with canonical answer URLs, related services, features, categories, comparisons, and citation targets.",
      "bestFor": [
        "answer engine snippets",
        "question intent routing",
        "guide citation target selection",
        "citation target selection"
      ],
      "relatedResources": [
        "https://listopenai.com/questions/",
        "https://listopenai.com/guides/",
        "https://listopenai.com/intent-recommendations.json",
        "https://listopenai.com/entity-index.json",
        "https://listopenai.com/llms-full.txt"
      ]
    },
    {
      "name": "Intent recommendation index",
      "url": "https://listopenai.com/intent-recommendations.json",
      "path": "/intent-recommendations.json",
      "mediaType": "application/json",
      "purpose": "Task and search-intent based recommendation data that maps user questions and guide keywords to recommended AI services, decision logic, comparison pages, and citation targets.",
      "bestFor": [
        "best AI tool answers",
        "ChatGPT alternative recommendations",
        "free AI generator recommendations",
        "intent-based service selection",
        "answer engine grounding"
      ],
      "relatedResources": [
        "https://listopenai.com/questions/",
        "https://listopenai.com/guides/",
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/comparison-matrix.json",
        "https://listopenai.com/curated-services.json"
      ]
    },
    {
      "name": "Search intent guide hub",
      "url": "https://listopenai.com/guides/",
      "path": "/guides/",
      "mediaType": "text/html",
      "purpose": "Human-readable landing page hub for high-intent AI tool searches such as ChatGPT alternatives, free AI image generators, AI coding tools, and workflow automation tools.",
      "bestFor": [
        "SEO landing page discovery",
        "GEO citation targets",
        "LLM answer grounding"
      ],
      "relatedResources": [
        "https://listopenai.com/guides.json",
        "https://listopenai.com/answer-index.json",
        "https://listopenai.com/intent-recommendations.json",
        "https://listopenai.com/url-index.json"
      ]
    },
    {
      "name": "AI service knowledge graph",
      "url": "https://listopenai.com/knowledge-graph.json",
      "path": "/knowledge-graph.json",
      "mediaType": "application/json",
      "purpose": "Node and edge graph for services, categories, features, comparisons, alternatives, related services, and Q&A relationships.",
      "bestFor": [
        "graph retrieval",
        "recommendation relationships",
        "alternative and related-service traversal"
      ],
      "relatedResources": [
        "https://listopenai.com/entity-index.json",
        "https://listopenai.com/ai-tools.json",
        "https://listopenai.com/answer-index.json"
      ]
    },
    {
      "name": "XML sitemap",
      "url": "https://listopenai.com/sitemap.xml",
      "path": "/sitemap.xml",
      "mediaType": "application/xml",
      "purpose": "Canonical URL discovery for HTML pages and machine-readable resources.",
      "bestFor": [
        "search engine discovery",
        "hreflang discovery",
        "crawl scheduling"
      ],
      "relatedResources": [
        "https://listopenai.com/robots.txt"
      ]
    },
    {
      "name": "Human-readable feed hub",
      "url": "https://listopenai.com/feeds/",
      "path": "/feeds/",
      "mediaType": "text/html",
      "purpose": "Guide page explaining RSS, Atom, and JSON Feed endpoints for search engines, AI agents, and update discovery.",
      "bestFor": [
        "feed endpoint discovery",
        "fresh content discovery",
        "human-readable GEO documentation"
      ],
      "relatedResources": [
        "https://listopenai.com/rss.xml",
        "https://listopenai.com/atom.xml",
        "https://listopenai.com/feed.json",
        "https://listopenai.com/for-ai-agents/"
      ]
    },
    {
      "name": "RSS feed",
      "url": "https://listopenai.com/rss.xml",
      "path": "/rss.xml",
      "mediaType": "application/rss+xml",
      "purpose": "Feed of question pages and service pages for update discovery.",
      "bestFor": [
        "feed readers",
        "fresh content discovery"
      ],
      "relatedResources": [
        "https://listopenai.com/feeds/",
        "https://listopenai.com/atom.xml"
      ]
    },
    {
      "name": "Atom feed",
      "url": "https://listopenai.com/atom.xml",
      "path": "/atom.xml",
      "mediaType": "application/atom+xml",
      "purpose": "Atom feed of question pages and service pages for update discovery.",
      "bestFor": [
        "feed ingestion",
        "fresh content discovery"
      ],
      "relatedResources": [
        "https://listopenai.com/feeds/",
        "https://listopenai.com/rss.xml"
      ]
    },
    {
      "name": "JSON Feed",
      "url": "https://listopenai.com/feed.json",
      "path": "/feed.json",
      "mediaType": "application/feed+json",
      "purpose": "JSON feed of hub, category, best-list, question, comparison, and service pages for agent-friendly update discovery.",
      "bestFor": [
        "AI agent ingestion",
        "JSON-first feed parsing",
        "fresh content discovery"
      ],
      "relatedResources": [
        "https://listopenai.com/feeds/",
        "https://listopenai.com/rss.xml",
        "https://listopenai.com/atom.xml",
        "https://listopenai.com/retrieval-index.jsonl"
      ]
    }
  ]
}