{
  "entity_a": {
    "slug": "claude-searchbot",
    "name": "Claude-SearchBot"
  },
  "entity_b": {
    "slug": "claude-user",
    "name": "Claude-User"
  },
  "fields_documented": 10,
  "claims": 19,
  "last_verified": "2026-09-13",
  "fields": [
    {
      "field": "cites_sources",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 34,
      "claim_id_b": 44,
      "same": true
    },
    {
      "field": "honours_crawl_delay",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 29,
      "claim_id_b": 39,
      "same": true
    },
    {
      "field": "publishes_ip_list",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 30,
      "claim_id_b": 40,
      "same": true
    },
    {
      "field": "purpose_documented",
      "value_a": "search",
      "value_b": "user_fetch",
      "claim_id_a": 32,
      "claim_id_b": 42,
      "same": false
    },
    {
      "field": "reads_llms_txt",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 35,
      "claim_id_b": 45,
      "same": true
    },
    {
      "field": "respects_robots_txt",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 28,
      "claim_id_b": 37,
      "same": true
    },
    {
      "field": "separate_search_and_training_tokens",
      "value_a": "yes",
      "value_b": "not_documented",
      "claim_id_a": 33,
      "claim_id_b": 43,
      "same": false
    },
    {
      "field": "user_agent_string_full",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 36,
      "claim_id_b": 46,
      "same": true
    },
    {
      "field": "user_fetch_exception_documented",
      "value_a": null,
      "value_b": "no",
      "claim_id_a": null,
      "claim_id_b": 38,
      "same": false
    },
    {
      "field": "verifiable_by_rdns",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 31,
      "claim_id_b": 41,
      "same": true
    }
  ],
  "differences": [
    {
      "field": "purpose_documented",
      "statement_a": "Claude-SearchBot analyses online content to improve the relevance and accuracy of Claude search responses.",
      "statement_b": "Claude-User accesses websites in response to questions that individual users ask Claude.",
      "claim_id_a": 32,
      "claim_id_b": 42
    },
    {
      "field": "separate_search_and_training_tokens",
      "statement_a": "Anthropic separates search and training controls into two robots.txt tokens: Claude-SearchBot for search and ClaudeBot for training.",
      "statement_b": "Anthropic does not document Claude-User as a search or training opt-out token.",
      "claim_id_a": 33,
      "claim_id_b": 43
    },
    {
      "field": "user_fetch_exception_documented",
      "statement_a": null,
      "statement_b": "Anthropic applies the same robots.txt statement to Claude-User as to ClaudeBot and Claude-SearchBot and documents no exception for user-initiated fetches.",
      "claim_id_a": null,
      "claim_id_b": 38
    }
  ],
  "sources": [
    "https://claude.com/crawling/bots.json",
    "https://support.claude.com/en/articles/8896518-does-anthropic-crawl-content-from-the-web-and-how-can-site-owners-block-the-crawler"
  ]
}