{
 "edition": "2026-11-04",
 "crawl_rows": 13071,
 "crawl_last_request": "2026-11-04T20:16:57.439Z",
 "definitions": {
  "probed": "A domain is probed for a path when the crawl holds an HTTP status for it; paths the crawl skipped for robots.txt or request budget are not in the count.",
  "valid_file": "A file counts only when the answer is JSON (YAML for openapi.yaml) whose top-level keys match the file type; a web page that answers 200 does not count.",
  "share_percent": "Valid files as a percentage of domains probed for that path.",
  "categories": "Categories come from the Ora leaderboard, so only the leaderboard cohort has them; by_category counts domains in that cohort."
 },
 "cohorts": [
  {
   "id": "top10k",
   "label": "Tranco top 10,000 (list of 4 November 2026)",
   "domains": 9999,
   "probed_domains": 7548,
   "domains_with_any_file": 274,
   "files": [
    {
     "path": "/.well-known/mcp.json",
     "label": "MCP discovery file",
     "probed": 7470,
     "answered_json_or_yaml": 27,
     "valid_file": 19,
     "share_percent": 0.25
    },
    {
     "path": "/.well-known/agent.json",
     "label": "A2A agent card (older path)",
     "probed": 7461,
     "answered_json_or_yaml": 12,
     "valid_file": 6,
     "share_percent": 0.08
    },
    {
     "path": "/.well-known/agent-card.json",
     "label": "A2A agent card",
     "probed": 7470,
     "answered_json_or_yaml": 17,
     "valid_file": 10,
     "share_percent": 0.13
    },
    {
     "path": "/agents.json",
     "label": "agents.json (Wildcard)",
     "probed": 7485,
     "answered_json_or_yaml": 7,
     "valid_file": 0,
     "share_percent": 0
    },
    {
     "path": "/openapi.json",
     "label": "OpenAPI document (JSON)",
     "probed": 7472,
     "answered_json_or_yaml": 24,
     "valid_file": 21,
     "share_percent": 0.28
    },
    {
     "path": "/openapi.yaml",
     "label": "OpenAPI document (YAML)",
     "probed": 7503,
     "answered_json_or_yaml": 10,
     "valid_file": 10,
     "share_percent": 0.13
    },
    {
     "path": "/.well-known/oauth-authorization-server",
     "label": "OAuth authorization server metadata",
     "probed": 7468,
     "answered_json_or_yaml": 214,
     "valid_file": 208,
     "share_percent": 2.79
    },
    {
     "path": "/.well-known/ai-catalog.json",
     "label": "AI catalog",
     "probed": 7438,
     "answered_json_or_yaml": 39,
     "valid_file": 38,
     "share_percent": 0.51
    },
    {
     "path": "/.well-known/agent-skills/index.json",
     "label": "Agent Skills index",
     "probed": 7435,
     "answered_json_or_yaml": 60,
     "valid_file": 53,
     "share_percent": 0.71
    }
   ]
  }
 ],
 "by_category": [],
 "url": "https://agentmcpdirectory.com/census",
 "dataset": {
  "url": "https://agentmcpdirectory.com/data/act-layer-census-2026-11-04.json",
  "edition": "2026-11-04"
 }
}