addrbookFor publishers
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Evidence row 516876

Observed , by probe.mcp/1.

Kind
mcp.tools
About
endpoint 7882925b-058d-4b82-bc73-02c5720031a1
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f15f4d68b861b577efcede7143b36f9c58366e3e1898b07bd7d8631e6e4ada10
Leaf
0x604eba7830998df4cb4738a621e6cc4a3d3a52ec7d00c4e84ce8452c6b8781f9

What was observed

{
  "count": 51,
  "tools": [
    {
      "description": "The address a Brazilian postal code (CEP) belongs to: street, neighbourhood, city and state. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "cep": {
            "description": "8-digit CEP, with or without the hyphen",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "cep"
        ],
        "type": "object"
      },
      "name": "br_cep"
    },
    {
      "description": "A Brazilian company's registry record: legal and trade names, status, opening date, activities, address, capital and partners. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "cnpj": {
            "description": "14-digit CNPJ, with or without punctuation",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "cnpj"
        ],
        "type": "object"
      },
      "name": "br_cnpj"
    },
    {
      "description": "Checks a Brazilian CPF's format and check digits and the region it was issued in. Validation only: no personal data. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "cpf": {
            "description": "11-digit CPF, with or without punctuation",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "cpf"
        ],
        "type": "object"
      },
      "name": "br_cpf"
    },
    {
      "description": "The state, cities and time zone a Brazilian area code (DDD) covers. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "code": {
            "description": "2-digit DDD",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "code"
        ],
        "type": "object"
      },
      "name": "br_ddd"
    },
    {
      "description": "Balance in BTC and USD, total received and sent, transaction counts, last activity and recent transactions for a Bitcoin address. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "address": {
            "description": "Address beginning with 1, 3 or bc1",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "btc_address"
    },
    {
      "description": "Credit packs with prices and a direct checkout link (crypto or card). Pass a pack id for just that pack. Free; works without a key too.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "pack": {
            "description": "Pack id: starter, growth, pro, enterprise",
            "enum": [
              "starter",
              "growth",
              "pro",
              "enterprise"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "buy_credits"
    },
    {
      "description": "For a CVE id: its description, CVSS score and severity, CWE, whether it is in the known-exploited (CISA KEV) catalogue and used by ransomware, plus links to public proof-of-concept and Metasploit repositories, the Nuclei detection template, and vendor advisories. References and metadata only; no exploit code is returned. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "cve": {
            "description": "A CVE id, e.g. CVE-2021-44228",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "cve"
        ],
        "type": "object"
      },
      "name": "cve_exploit"
    },
    {
      "description": "Look up a Discord invite code, or a numeric user, bot or server ID: server name, member counts, server tag, inviter, creation date and invite expiry. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "Invite code (or discord.gg link code), or a numeric user, bot or server ID",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "discord_lookup"
    },
    {
      "description": "Find public Discord servers by name: guild IDs, member counts, tags and invites. Each page is a separate lookup; request page 2+ only when hasMore is true. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "keyword": {
            "description": "Server name, or part of one",
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          },
          "page": {
            "description": "Result page, 1 to 20 (default 1)",
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          }
        },
        "required": [
          "keyword"
        ],
        "type": "object"
      },
      "name": "discord_server_search"
    },
    {
      "description": "Which Discord server(s) use a given server tag (the short tag members wear beside their name), from the directory of servers seen so far. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "tag": {
            "description": "The server tag, e.g. OWL",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "tag"
        ],
        "type": "object"
      },
      "name": "discord_tag"
    },
    {
      "description": "Whether a Discord username is registered (from Discord) and which accounts this platform has seen holding it. A name can be taken with no known account; that is normal. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "name": {
            "description": "Discord username, with or without @",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "discord_username"
    },
    {
      "description": "Every email address associated with a domain. Addresses only - nothing about the source is returned. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "domain": {
            "description": "A domain name, or a URL or email address on it",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain_emails"
    },
    {
      "description": "Every subdomain found for a domain (certificate logs, web crawls, archives, passive DNS) with the IPv4 addresses each resolves to - network owner, ASN, country - plus the domain's NS, MX and TXT records. Pivot any IP into ip_lookup for open ports and CVEs. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "domain": {
            "description": "A domain name, or a URL or email address on it",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain_ips"
    },
    {
      "description": "Every URL captured on a domain in recent public web crawls - a passive way to enumerate a site's pages without touching the site. Returns the crawl id and the URLs with status, mime type and capture timestamp. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "domain": {
            "description": "A domain name, or a URL or email address on it",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain_urls"
    },
    {
      "description": "Who owns a domain, from the registry and registrar records: owner name/organisation/email/country where not redacted, registrar, registration, expiry and change dates, status and nameservers. Redacted placeholders are left out; `privacy` says the owner is hidden. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "domain": {
            "description": "A domain name, or a URL or email address on it",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "domain_whois"
    },
    {
      "description": "ETH balance in ETH and USD, top token holdings, transaction counts, contract details, scam flags and recent transactions for an Ethereum address or ENS name. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "address": {
            "description": "A 0x address (42 characters) or an ENS name ending in .eth",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "eth_address"
    },
    {
      "description": "People with a given name from Facebook's public directory (about a dozen per name, people only): name, numeric profile ID, profile link and any public details. Pass an ID to facebook_profile for the full public profile. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "name": {
            "description": "A person's name, e.g. John Smith",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "facebook_name_search"
    },
    {
      "description": "The public Facebook profile for a Page or person, by username, numeric ID or link: name, Facebook ID, Page ID, verified badge, category, exact follower/like counts, intro, and the public About section (website, contact info, and for people any basic info they made public). Only what Facebook shows logged-out visitors. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "Facebook username, numeric profile ID, or facebook.com profile link",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "facebook_profile"
    },
    {
      "description": "Public GitHub profile intel: repositories, languages, organisations, public SSH/GPG keys, author emails from public commits, and activity by hour and weekday. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "username": {
            "description": "GitHub login; a leading @ is stripped",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username"
        ],
        "type": "object"
      },
      "name": "github_user"
    },
    {
      "description": "Places on Google Maps tied to a person's or business's name or username, searched as typed and as a username and merged: name, address, phone, coordinates, Google place ID and Maps link. Add \" near <place>\" to the query to pin a location. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "A name or username, e.g. DJ Khaled",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "google_maps_search"
    },
    {
      "description": "The public Gravatar profile an email's owner published: avatar, name, location, job title and verified linked accounts. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "email": {
            "description": "Email address",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "gravatar_email"
    },
    {
      "description": "Fetch any URL through our proxy and return the status, response headers and body (text bodies up to 128 KB). The request leaves from the proxy network, not the caller. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "url": {
            "description": "The URL to fetch (http or https)",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "http_get"
    },
    {
      "description": "Capture a screenshot of any web page (rendered away from the caller). Returns the image as a data URL. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "url": {
            "description": "The page URL (http or https)",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "http_screenshot"
    },
    {
      "description": "Everything a photo file says about itself, from a link to the image: GPS position, device make, model and serial numbers, capture and edit times, editing software, AI-generation traces and C2PA credentials, plus every EXIF, XMP, IPTC and maker-note tag. Nothing is stored. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "url": {
            "description": "A direct http(s) link to the image file (JPEG, PNG, HEIC, WebP, TIFF, GIF or AVIF, up to 8 MB), not a web page",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "image_metadata"
    },
    {
      "description": "Instagram accounts for a name: checks the usernames people usually build from it (johnsmith, john.smith, j.smith, …) and returns those that exist, with display name, follower count and whether the display name matches. Instagram has no logged-out search, so accounts with unrelated usernames are not found. Pass a username to instagram_profile for the full profile. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "name": {
            "description": "A person's or brand's name, e.g. Kim Kardashian",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "instagram_name_search"
    },
    {
      "description": "The public Instagram profile page for a username or profile link: full name, bio, profile picture, verified and private flags, exact follower and following counts, post count and the numeric user ID. Only what Instagram shows logged-out visitors. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "handle": {
            "description": "Instagram username (with or without the @) or instagram.com profile link",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "handle"
        ],
        "type": "object"
      },
      "name": "instagram_profile"
    },
    {
      "description": "Country, region, city, coordinates and ASN for an IP address. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "address": {
            "description": "IPv4 or IPv6 address",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "ip_geolocation"
    },
    {
      "description": "Network owner, range and country, plus open ports, detected software, hostnames and known CVEs from public internet-scan data. Nothing is sent to the address. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "address": {
            "description": "IPv4 or IPv6 address (not a hostname)",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "ip_lookup"
    },
    {
      "description": "Risk score and level for an IP address, with the reasons behind it: blocklist hits, Tor exit, VPN, datacenter/cloud/CDN, risky open ports and known vulnerabilities. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "address": {
            "description": "IPv4 or IPv6 address",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "ip_reputation"
    },
    {
      "description": "US healthcare providers by NPI number or name: provider type, specialties, licences, practice addresses and phone numbers. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "A 10-digit NPI, a person's name (\"First Last\", optionally a two-letter state) or an organisation name",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "npi_lookup"
    },
    {
      "description": "Fetch a .onion page over Tor and return its status, title, visible text and links (text only, no images). Given a clearnet URL instead, returns every .onion address that page links to or mentions. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "url": {
            "description": "A .onion URL (v3), or a clearnet URL to scan for .onion addresses",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object"
      },
      "name": "onion_grab"
    },
    {
      "description": "Records found for accounts under a domain (every address @domain), with the data seen for each. Paid plans. Without an API key: $4.99 USDC per search via x402 (Base or Solana), charged only when it finds records.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "domain": {
            "description": "Domain, e.g. example.com",
            "maxLength": 320,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "osint-domain"
    },
    {
      "description": "Records found for an email address: the sites and accounts it is tied to, with the data seen for each. Without an API key: $0.25 USDC per search via x402 (Base or Solana), charged only when it finds records.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "email": {
            "description": "Email address",
            "maxLength": 320,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "osint-email"
    },
    {
      "description": "Accounts recorded on a website, by its domain: the logins seen there and the data for each. Paid plans. Without an API key: $4.99 USDC per search via x402 (Base or Solana), charged only when it finds records.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "domain": {
            "description": "Website domain, e.g. example.com",
            "maxLength": 320,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "osint-origin"
    },
    {
      "description": "Records found for a phone number: the sites and accounts it is tied to, with the data seen for each. Without an API key: $0.25 USDC per search via x402 (Base or Solana), charged only when it finds records.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "phone": {
            "description": "Phone number, digits only, country code first",
            "maxLength": 320,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "phone"
        ],
        "type": "object"
      },
      "name": "osint-phone"
    },
    {
      "description": "Records found for a username: the sites and accounts it is tied to, with the data seen for each. Without an API key: $0.25 USDC per search via x402 (Base or Solana), charged only when it finds records.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "username": {
            "description": "Username or handle",
            "maxLength": 320,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username"
        ],
        "type": "object"
      },
      "name": "osint-username"
    },
    {
      "description": "Resolve a paypal.me handle to the public profile behind it: display name, first and last name, profile and cover photo. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "handle": {
            "description": "paypal.me handle",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "handle"
        ],
        "type": "object"
      },
      "name": "paypal_username"
    },
    {
      "description": "Validate a phone number against its country's numbering plan: validity, number type, region, location and the carrier the range was allocated to (not a live network query). Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "number": {
            "description": "International format, digits only, country code first (no + or leading zeros), e.g. 442079460000",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "number"
        ],
        "type": "object"
      },
      "name": "phone_lookup"
    },
    {
      "description": "Check whether a Snapchat username exists and read its public profile, Bitmoji and Snapcode. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "handle": {
            "description": "Snapchat username",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "handle"
        ],
        "type": "object"
      },
      "name": "snapchat_username"
    },
    {
      "description": "SOL balance in SOL and USD, account type, top SPL token holdings and recent transactions for a Solana address or .sol name. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "address": {
            "description": "A base58 address (32 to 44 characters) or a .sol name",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "sol_address"
    },
    {
      "description": "Any Steam account with all its ID formats (SteamID64, STEAM_0, [U:1]) and the public profile: name, avatar, real name and country if public, member since, and ban flags. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "SteamID64, STEAM_0:Y:Z, [U:1:N], custom URL name or profile link",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "steam_profile"
    },
    {
      "description": "Public Substack profile for a handle, profile link or name: bio, photo, follower and subscriber counts, the publications they run, and the ones they subscribe to (paid or free). Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "Substack handle, profile URL or name",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "substack_lookup"
    },
    {
      "description": "Whether a Telegram @username exists and whether it is a user, bot, channel or group, with its public name, bio, photo, audience size and Telegram's scam/fake flags. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "handle": {
            "description": "Telegram username, without the @",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "handle"
        ],
        "type": "object"
      },
      "name": "telegram_username"
    },
    {
      "description": "Resolve a TikTok handle to its public profile: display name, bio, avatar, verification, follower, like and video counts, and the permanent user ID. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "handle": {
            "description": "TikTok handle, with or without the @",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "handle"
        ],
        "type": "object"
      },
      "name": "tiktok_username"
    },
    {
      "description": "TRX balance in TRX and USD, USDT/USDC holdings, creation and last-activity time, recent token transfers, and whether Tether has frozen the address. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "address": {
            "description": "A TRON address beginning with T (34 characters)",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "address"
        ],
        "type": "object"
      },
      "name": "tron_address"
    },
    {
      "description": "A UK company from the Companies House register, by company number or name: status, type, incorporation date, registered office, SIC codes, previous names, accounts and confirmation-statement dates, officers (with month and year of birth, nationality and occupation), persons with significant control, charges and recent filings. A name returns the best match plus other matches. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "UK company number (e.g. 00445790, SC123456) or company name",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "uk_company_lookup"
    },
    {
      "description": "Find a person on the Companies House register by name: every matching director, secretary or LLP member record, with month and year of birth, appointment count and address, and the full list of companies each of the first few is or was appointed to (role, dates, company status). An officer ID returns that record's appointments. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "A person's name (e.g. Christopher Jon Taylor), or a Companies House officer ID",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "uk_officer_search"
    },
    {
      "description": "A US company that files with the SEC, by name, stock ticker or CIK: tickers, EIN, state of incorporation, industry, addresses, former names, headline annual financials, the people named on its latest Form D private offering with the amount raised, and recent filings. A name returns the best match plus other matches. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "query": {
            "description": "Company name, stock ticker (e.g. AAPL) or SEC CIK number",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "us_company_lookup"
    },
    {
      "description": "One username checked across Substack, TikTok, Instagram, Snapchat, Telegram, GitHub, PayPal, Discord and Facebook at once: which platforms it exists on, each public profile (name, followers, verified, URL), and how many records mention it. Without an API key: $0.10 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "username": {
            "description": "A username, with or without the @",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "username"
        ],
        "type": "object"
      },
      "name": "username_scanner"
    },
    {
      "description": "What a Vehicle Identification Number says about a vehicle (make, model, year, body, engine, plant) plus the safety recalls for that make, model and year. No owner or registration data. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "vin": {
            "description": "17-character VIN",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "vin"
        ],
        "type": "object"
      },
      "name": "vin_decode"
    },
    {
      "description": "Whether a phone number has a public WhatsApp Business profile, with its business name, photo and official-business badge. Personal accounts are never exposed. Without an API key: $0.05 USDC per successful call via x402 (Base or Solana).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "number": {
            "description": "International format, digits only, country code first, e.g. 14155238886",
            "maxLength": 200,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "number"
        ],
        "type": "object"
      },
      "name": "whatsapp_business"
    }
  ]
}

What the leaf hashes

{"body":"f15f4d68b861b577efcede7143b36f9c58366e3e1898b07bd7d8631e6e4ada10","id":516876,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793120848823901,"prev":null,"subject":"7882925b-058d-4b82-bc73-02c5720031a1","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0x604e6f4423defbb3f24a53be8373d2f7f3ae53f172c722ac5e70837c7ad57a3f
  2. 0xb642f003d8f6b6f8e0df84ec8ca708c80a7d0cd063b379f612180c682d0d3b44
  3. 0x752843650d27f9cc931366029b6588547a657c4664527b84dfa3bf7435c4b3dd
  4. 0xf849f2e614f047beccfdffac7b5b7efbec730795a32fdbc5fef669f88a3afe0f
  5. 0xe08a3f2cc6c008886974fac2b204fa3e0b6df3b99ec9afaa2a6230bd366db5a0
  6. 0x59baa7312d8a24c3bc0fa0d9f2a8b3af51f23803f23dbb0160b8a9e12d037cdf
  7. 0xb53d8b992ba0e76e0065a37a6feafe37a9c5accf84fd6821ffb21c2b73eb2fcf
  8. 0xb5f74d82cad313459593d39c38ab01dc16f60fe8cefc516b91c289d95deb7bfd
  9. 0x9a7ecbac7e25cf5c4881219576298a27c3ed9bc9bb44ae81d0c5528f1b6467e6
  10. 0xde1d4091b964030686aabb2c829b674b046cbd75d244ba2b915500dd8d284a67
  11. 0x042ed023614c046dfcee504f2fb14ba7df71bf698e682b1391b1905d7f519255
  12. 0x4fbbcb97bbe92a4202db4cfe9ed5ce98ec76cb76473d9a37a3775c708528409e
  13. 0x38f17e73d675dd35d0dd4a9f0ebd22a3333bcd28f96e42d5dd126e08211ffc4a
  14. 0x4277e02be0b5d91d78bc2247e37d402572474ba896c2e8f45765c8dc4e244d36
  15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
  16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
  17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
  18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON