addrbookFor publishers
← The evidence ledger

Evidence row 286002

Observed , by probe.mcp/1.

Kind
mcp.tools
About
endpoint e25351a0-679b-444f-98a6-52a355a160b1
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fe5ec2255ad00ab4dd214026bb11d3d0e5b74305bd873f033eb62e3f9c49783a
Leaf
0x789e9c063546d3337987782afb071c178c827251653fd52259040afa157a0f43

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": "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": "ISO 639 language tag tl.",
      "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": "lang-tl"
    },
    {
      "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":"fe5ec2255ad00ab4dd214026bb11d3d0e5b74305bd873f033eb62e3f9c49783a","id":286002,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793044365440761,"prev":null,"subject":"e25351a0-679b-444f-98a6-52a355a160b1","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. 0x789e732885c12c67eeffb366098036a8e5b6f01cf98f8f3611cdcc8d53261c3a
  2. 0x89f8342268cf07544a8c8a120eea6f8047f3f2fe390b246fdca0071105e48b91
  3. 0x0c426331469fac5e6efcdf7a2bc130fd28fdab54cbf9dfd169cb317695270613
  4. 0xbd987626c788e031c16c26c1d41b06b3aa33672a75e43f06d61486f6892c1061
  5. 0x05306e15b7d842dab190bde8b5c9e9ee2ef3350b7c3bd978c559cdf1cda6bbd5
  6. 0x33e0fbaa3b275e0a36a06c6bf4772ed097d1aa9e80304020148a81f719996844
  7. 0xd60d3ea2c03334c36bfdb02fe972e3ce9dbe79337ac965a9392db625c209b8af
  8. 0x4ada24290db50015677c9265a75f23028c9ed7b3c9012950ba050da63adc7e54
  9. 0x8c3308a220839d70ff81d3818f196f48199a938de2ee9fc9f5f38c8bbab658e1
  10. 0x82de673d7b0aea740891d4dba7c3425d4070f8237d8c7357e6034c5ccc9ee734
  11. 0x15ee99441401ec9e8c72aaf51bd6c821ec4e6b18bc91225370e5c19c4c8e8448
  12. 0xdcba35a3346e9c4b9ae1267cc5995998c2c33da9ef658e955eaae1589ebbdcad
  13. 0x01c95624b1f2385ef774ee258a9ae58a4df07a1bdaa829de84e1d5201f3f39c2
  14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
  15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON