{
  "dataset": "crawlers",
  "record": {
    "id": "perplexity-comet",
    "name": "Perplexity Comet (assistant/agent)",
    "operator": "Perplexity",
    "purpose": "agentic-browsing",
    "ua_substring": "",
    "robots_token": "(none — agentic browser; no published robots.txt token)",
    "respects_robots": false,
    "verify": "no stable user-agent and no verifiable identity layer; Comet runs inside the user's browser session and presents like ordinary Chromium traffic. Distinct from PerplexityBot/Perplexity-User (which are cloud bots verifiable by IP range + perplexity.ai in the UA).",
    "notes": "Perplexity's Comet is a Chromium-based browser fork that runs locally and performs multi-tab agentic actions inside the user's session. Unlike Perplexity's cloud crawlers, it has no verifiable identity layer at the network level — included here per the agentic-browser taxonomy, verifiable by IP/signature only.",
    "canonical_name": "Comet",
    "user_agent_token": {
      "value": null,
      "verify_status": "no-stable-ua",
      "note": "no stable AI user-agent token; agentic browser"
    },
    "ua_full": {
      "value": null,
      "verify_status": "no-stable-ua",
      "source_hint": "https://www.perplexity.ai/comet",
      "note": "presents as a Chromium browser UA; no distinctive AI token"
    },
    "bot_type": "agentic-browser",
    "bot_type_extension": null,
    "opt_out_mechanism": {
      "value": null,
      "verify_status": "not-applicable",
      "note": "no robots.txt token to target; an agentic browser acting in the user's session is not controlled by robots.txt. Use edge/bot-management controls if needed."
    },
    "published_ip_range_url": {
      "value": null,
      "verify_status": "not-applicable",
      "note": "runs from the user's network; no operator-published IP-range file applies to the local browser (cf. Perplexity's separate perplexitybot.json / perplexity-user.json for its cloud bots)"
    },
    "asn": {
      "value": null,
      "verify_status": "not-applicable",
      "note": "runs from the user's network"
    },
    "reverse_dns_suffix": {
      "value": null,
      "verify_status": "not-applicable",
      "note": "runs from the user's network; no operator-controlled rDNS suffix"
    },
    "supports_web_bot_auth": {
      "value": null,
      "verify_status": "verify-against-primary-at-build",
      "source_hint": "https://www.perplexity.ai/comet"
    },
    "signature_agent_domain": {
      "value": null,
      "verify_status": "verify-against-primary-at-build",
      "source_hint": "https://www.perplexity.ai/comet"
    },
    "jwks_url": {
      "value": null,
      "verify_status": "verify-against-primary-at-build",
      "source_hint": "https://www.perplexity.ai/comet"
    },
    "verification_methods": [
      "IP-signature"
    ],
    "crawl_traffic_share": {
      "value": null,
      "verify_status": "not-applicable",
      "note": "agentic browser; not tracked as a distinct AI crawler share"
    },
    "targeted_content_type": "HTML, text (interactive browsing)",
    "documentation_url": "https://www.perplexity.ai/comet",
    "first_seen_date": {
      "value": null,
      "verify_status": "verify-against-primary-at-build",
      "source_hint": "https://www.perplexity.ai/comet"
    },
    "last_verified_date": "2026-06-15",
    "block_vs_allow_recommendation": "conditional — acts inside a real user's browser session with no verifiable identity layer; it is not a bulk crawler and cannot be reliably blocked by robots.txt or UA. Manage via session-level / bot-management controls if agent actions are a concern.",
    "citation_referral_value": "medium (acts on a user's behalf in-browser; can surface and act on your page for that user)",
    "cloudflare_verified_category": {
      "value": null,
      "verify_status": "verify-against-primary-at-build",
      "source_hint": "https://radar.cloudflare.com/bots/directory"
    },
    "status": "active",
    "triples": [
      [
        "Comet",
        "operated_by",
        "Perplexity"
      ],
      [
        "Comet",
        "has_bot_type",
        "agentic-browser"
      ],
      [
        "Comet",
        "verified_via",
        "IP-signature"
      ]
    ],
    "attribute_sources": [
      {
        "claims": [
          "operator",
          "bot_type",
          "documentation_url"
        ],
        "source": "https://www.perplexity.ai/comet",
        "last_verified": "2026-06-15"
      }
    ],
    "ua_substring_meta": {
      "value": null,
      "verify_status": "no-stable-ua",
      "note": "agentic browser: a Chromium-based browser fork running locally on the user's machine; it appears indistinguishable from a standard Chromium browser and lacks a verifiable identity layer. Identify by IP/signature/behavior, not UA."
    }
  }
}