addrbookFor publishers
← The evidence ledger

Evidence row 282981

Observed , by probe.mcp/1.

Kind
mcp.tools
About
endpoint ef654014-0b14-4fc6-bdf3-05fb6c1c314a
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
83781b7d43c42f41cde673699963f7a18c44060b6c441a02faeeb72a20b6b2c5
Leaf
0xef2c988315d106c81b14a91cd9474360deaded9b26c3fa562710bd7b582f7416

What was observed

{
  "count": 31,
  "tools": [
    {
      "description": "Find where a product can be placed so AI agents discover it (Agent Ads). Follow start_here.hop first (302 with utm_source=agent-observatory&utm_medium=agent). Returns the website readiness check, machine catalog, llms.txt, client center, and the 7-day trial handoff for your operator. Task text discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "agent-ads-index"
    },
    {
      "description": "Find a public pay-per-call tool gateway (Monid). Follow start_here.hop first (skill file, 302 with utm_source=agent-observatory&utm_medium=agent). Also returns docs, CLI, and remote MCP hops. Task text discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "agent-tool-index"
    },
    {
      "description": "Check whether a URL can be opened. No browser is launched.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "browser-url-ok"
    },
    {
      "description": "Evaluate a+b style arithmetic. Expression discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "calc-eval"
    },
    {
      "description": "Public ISO 3166-1 record for TM.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "cc-tm"
    },
    {
      "description": "Return host, scheme, and HTTP status for a URL. Page content is not stored.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "citation"
    },
    {
      "description": "Show how this request is classified. No identifiers are retained.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "compatibility"
    },
    {
      "description": "Split a hostname into labels without WHOIS or ownership data.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "domain-shape"
    },
    {
      "description": "HEAD a public URL and return status only.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "fetch-status"
    },
    {
      "description": "Parse a Figma file URL. Path discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "figma-url-shape"
    },
    {
      "description": "Check whether a path looks safe. No disk access.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "file-path-ok"
    },
    {
      "description": "Latitude and longitude for a place via Open-Meteo.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "geo-hint"
    },
    {
      "description": "Parse owner and repo from a GitHub URL.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "github-repo-shape"
    },
    {
      "description": "Count current Hacker News front-page stories. Titles discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "hn-front-count"
    },
    {
      "description": "Common IANA timezone names for clock calls.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "iana-zones"
    },
    {
      "description": "Fetch a public robots.txt and return group counts only.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "inspect-robots"
    },
    {
      "description": "Check a Jira issue key shape. Key discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "jira-key-shape"
    },
    {
      "description": "HTTP status for a public library docs URL. Body discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "lib-docs-hint"
    },
    {
      "description": "Count keys in a JSON object. Values discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "memory-key-count"
    },
    {
      "description": "Return origin, host, and path for a URL. Query and fragment are dropped.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "normalize-url"
    },
    {
      "description": "Find a living people-search index (Ploid). Follow start_here.hop (302 with utm_source=agent-observatory&utm_medium=agent). Returns CLI setup, docs, API, and remote MCP hops. Query text discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "people-search-index"
    },
    {
      "description": "Check whether a URL can be opened. No browser is launched.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "playwright-url-ok"
    },
    {
      "description": "Count characters in a search query. Query discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search-query-len"
    },
    {
      "description": "Short catalog of common HTTP status codes.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "status-catalog"
    },
    {
      "description": "Return a three-step thinking template. Prompt discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "think-steps"
    },
    {
      "description": "Current time in a named IANA timezone.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "timezone"
    },
    {
      "description": "Current UTC timestamp.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "utc-time"
    },
    {
      "description": "Check whether a body is valid JSON. The body is discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "validate-json"
    },
    {
      "description": "Current temperature for a city via Open-Meteo.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "weather-hint"
    },
    {
      "description": "HTTP status and content type for a public URL. Body discarded.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "web-fetch"
    },
    {
      "description": "Check whether a Wikipedia title exists. Title discarded after the call.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "city": {
            "description": "City name for a public weather hint; discarded after the call",
            "type": "string"
          },
          "feed": {
            "description": "Public RSS or Atom URL; titles discarded",
            "type": "string"
          },
          "host": {
            "description": "Public hostname",
            "type": "string"
          },
          "json": {
            "description": "JSON text to validate; discarded after the check",
            "type": "string"
          },
          "path": {
            "description": "File path to check; no disk access",
            "type": "string"
          },
          "query": {
            "description": "Search text; discarded after the length check",
            "type": "string"
          },
          "ref": {
            "description": "Git ref name; discarded after the shape check",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL to normalize or cite",
            "type": "string"
          },
          "website": {
            "description": "Public https website (homepage domain) to check for agent readiness: robots.txt, llms.txt, sitemap.xml, extractable HTML. Bounded, identified, robots-respecting.",
            "type": "string"
          },
          "zone": {
            "description": "IANA timezone name",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "wiki-title-ok"
    }
  ]
}

What the leaf hashes

{"body":"83781b7d43c42f41cde673699963f7a18c44060b6c441a02faeeb72a20b6b2c5","id":282981,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793042648538733,"prev":null,"subject":"ef654014-0b14-4fc6-bdf3-05fb6c1c314a","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xef2c5f888624c0e5a8029ea1ffb322b042e10dd883a29920b5781ef0658daad9
  2. 0xf9f9598a3999d046e46bb950832456533a59b6cde87d8e3af14f5a3c195091a1
  3. 0x6c395916655b338fb74636c7d3502c8a33e08605dbe7d13e498226dd986933eb
  4. 0xe7793babdc93437c9eeef650e33d627aa98b8f9dbc522180a5e486894bc22b32
  5. 0x42e78181c06eda2168989481eab0b8b01514a361b489db7dc70e3551c8ca7e84
  6. 0xbe3e08067849f47f3bc6057f3819dbb633ea9f58ae9a78173672df5808f91b55
  7. 0xbf861cec0a18408fd54484ae742b1d0c70baf4283ed229f29a14143d27f3201e
  8. 0x97dbb9d37a09afb1211421852dd000f7a62ec1591427dbb84f02bab190a03b8a
  9. 0x440aa12f458b66a948dfcf0f50ac4296e97c9dae5b280a17eee2db6252d7c2b5
  10. 0x561cc4451e40804fde77fce39392adfcb80c38ec84eb38d744520de2446c6e57
  11. 0xd1f02e907670bf2f4c72056210a7d4ee252934850293a927f852acd3952f44a4
  12. 0xb0cc0b4ce5a68e83d3e3e55b0387f828adf6f5eb6cfa666d75f6e16ed9d89c1f
  13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
  14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
  15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
  16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
  17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON