Mat Web & Data Toolkit (x402, Cloudflare)

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

x402 web/data toolkit: tools, US$5 lead pack, free flapjax_check, paid Nostr relay

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Mat Web & Data Toolkit (x402, Cloudflare)": {
      "url": "https://automatom.matt-d59.workers.dev/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (46)

• extract_page

  Fetch a public web page and return title, meta description, outbound links and plain text as JSON. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string — Public http(s) URL

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• dns_lookup

  Resolve A, AAAA, MX, TXT, NS and CNAME records for a hostname. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • host (required) — string — Hostname, e.g. example.com

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• readable_text

  Return the main readable article text of a web page as paragraphs. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• parse_feed

  Parse an RSS or Atom feed into title and items (title, link, date, summary). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• site_audit

  Quick site audit: status, response time, redirects, TLS expiry, security headers and SEO meta tags. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• fx_rates

  Latest ECB reference FX rates for a base currency (e.g. USD, AUD, EUR). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • base — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• btc_snapshot

  Bitcoin snapshot: fiat prices, recommended fees, mempool size, block height, difficulty adjustment. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • currency — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• leads

  Small-business web-agency leads (AU/NZ): business name, website, country, public business phone and the website issues found by a passive audit (no personal names, no email addresses). Filter by country/q; up to 25 rows per call. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • q — string
  • country — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• weather_alerts

  Active US National Weather Service alerts (warnings, watches, advisories) for a US state code (area=TX) or a point (lat=&lon=): event, severity, urgency, areas, onset/expiry, headline and instructions. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • lat — string
  • lon — string
  • area — string
  • severity — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• forecast

  US weather forecast for a point (lat=&lon=) from the National Weather Service: next 7 days of 12-hour periods (temperature, wind, precipitation chance, short and detailed forecast), plus the forecast office and nearest city. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • lat (required) — string
  • lon (required) — string
  • hourly — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• earthquakes

  Recent earthquakes worldwide from the USGS: filter by minimum magnitude, period (hour|day|week|month) and optional radius around lat/lon (km). Returns magnitude, place, time, depth, tsunami flag and USGS link. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • lat — string
  • lon — string
  • minmag — string
  • period — string
  • radius_km — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• wiki

  Wikipedia lookup: searches a topic and returns the best-matching article's title, short description, plain-text summary, URL and thumbnail, plus other matching titles (lang= for other Wikipedias, default en). Text CC BY-SA 4.0. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • q (required) — string
  • lang — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• rdap

  Domain registration data via RDAP (registrar, created/expiry dates, status, nameservers) as JSON. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • domain (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• ssl

  TLS certificate details for a host: subject, issuer, SANs, validity dates and days to expiry (live HTTPS check plus Certificate Transparency logs). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • host (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• robots

  Fetches and parses a site's robots.txt into user-agent groups (allow/disallow rules), crawl-delay and sitemap URLs. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• sitemap

  Parses an XML sitemap or sitemap index: URL count and up to 500 entries with lastmod, changefreq and priority. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• headers

  HTTP response headers, status and timing for a URL (no redirect following, HEAD then GET fallback). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• meta

  Page metadata: title, description, canonical, Open Graph, Twitter card, favicon, language and JSON-LD types. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• readability

  Readability scores for text or a web page: Flesch reading ease, Flesch-Kincaid grade, sentences, words, syllables. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url — string
  • text — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• keywords

  Word count and top keywords/bigrams (stopwords removed) for text or a web page. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url — string
  • text — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• timezone

  Converts a date-time between IANA time zones and reports UTC offsets (e.g. time=2026-10-18T09:00&from=Australia/Sydney&to=America/New_York). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • to (required) — string
  • from — string
  • time — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• ipinfo

  IP address geolocation and network info (country, region, city, timezone, ASN/ISP) from free public sources. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • ip (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• unshorten

  Expands a short or redirecting URL: full redirect chain with status codes and the final destination. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• markdown

  Converts Markdown (headings, emphasis, links, images, lists, code, quotes, tables) to HTML. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • md (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• jsonvalidate

  Validates a JSON string: reports parse errors with position/line, type, depth, key count, and a pretty-printed copy. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • json (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• hash

  Hashes text with md5, sha1, sha256, sha512 (all by default) plus optional HMAC with a key. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • text (required) — string
  • alg — string
  • key — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• encode

  Encodes/decodes text: base64, base64url, hex, URL-encoding, HTML entities; op=encode or decode (all encodings returned by default). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • text (required) — string
  • op — string
  • format — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• crypto

  Crypto prices from CoinGecko: price, 24h change, market cap and volume for comma-separated coin ids (e.g. bitcoin,ethereum,solana). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • vs — string
  • ids — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• lightning

  Bitcoin Lightning Network statistics: channel and node counts, total capacity, average/median fees and channel sizes (mempool.space). Optional unit=btc|sats for capacity. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • unit — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• holidays

  Public holidays for a country and year (ISO country code, e.g. AU, US, GB) with dates, local names and regions (Nager.Date). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • country (required) — string
  • year — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• convert

  Unit conversion for length, mass, volume, speed, area, data size, time and temperature (e.g. value=10&from=mi&to=km). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • value (required) — string
  • from (required) — string
  • to (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• emailcheck

  Checks an email address's syntax and its domain's MX/A records (deliverability signal, no mail is sent). Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • email (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• links

  Checks every link on a web page (up to 50) and reports HTTP status of each: broken, redirected or OK. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • url (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• evm_balance

  Wallet balance on an EVM chain (base, ethereum, arbitrum, optimism, polygon): native coin plus ERC-20 balances. tokens= takes symbols (USDC, USDT, DAI, WETH) or contract addresses, comma-separated; default is the chain's major stablecoins and WETH. Read live from public RPC. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • address (required) — string
  • chain — string
  • tokens — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• evm_token

  ERC-20 token facts for a contract on an EVM chain (base, ethereum, arbitrum, optimism, polygon): name, symbol, decimals, total supply and whether the address holds contract code. Read live from public RPC. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • address (required) — string
  • chain — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• evm_tx

  Transaction lookup by hash on an EVM chain (base, ethereum, arbitrum, optimism, polygon): status, block, time, from, to, value, gas used, fee paid, and decoded ERC-20 Transfer events with token symbols and amounts. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • hash (required) — string
  • chain — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• evm_gas

  Live gas snapshot across EVM chains in one call (ethereum, base, arbitrum, optimism, polygon, or chain= for one): latest block, block age, base fee, gas price and priority fee in gwei, plus the estimated cost of a plain transfer and an ERC-20 transfer in the native coin. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • chain — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• dataset_worldbank

  World Bank open data as a dataset: one indicator (alias gdp|gdp_per_capita|gdp_growth|population|inflation|unemployment|life_expectancy|co2_per_capita|internet_users|exports_pct_gdp, or any WDI code like NY.GDP.MKTP.CD) for up to 20 ISO country codes (country=AU;NZ;US) over a year range (from=2015&to=2025). Returns rows plus a ready-to-save CSV. Data CC BY 4.0. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • indicator (required) — string
  • to — string
  • from — string
  • country — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• dataset_fx

  Daily foreign-exchange rate history as a dataset (ECB reference rates): base currency (default USD), comma-separated symbols (default AUD,EUR,GBP,JPY), date range from=YYYY-MM-DD&to=YYYY-MM-DD (max 366 days, default last 30). Returns one row per business day plus a ready-to-save CSV. Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • to — string
  • base — string
  • from — string
  • symbols — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• nip05_register

  Registers a Nostr NIP-05 identity [email protected] for a hex pubkey (optional relays, comma-separated wss:// URLs). Served at /.well-known/nostr.json. Names a-z0-9._- (max 30), first come first served; invalid or taken names are refused before payment. Free availability check: /nip05/check?name= Costs 0.01 USDC on Base via x402, or 12 sats Cashu ecash (NUT-24), or 12 sats over Lightning (L402).

  Parameters:

  • name (required) — string
  • pubkey (required) — string
  • relays — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• relay_admit

  One-time write admission to Mat's paid Nostr relay wss://automatom.matt-d59.workers.dev/relay for a hex pubkey (reads are free for everyone). Price 1.00 USDC on Base (x402) or 1000 sats (Cashu NUT-24 / Lightning L402). Bundle: add name= to also register [email protected] as your NIP-05 identity at no extra cost. Already-admitted pubkeys and taken names are refused before payment. Free check: /relay/status?pubkey=

  Parameters:

  • pubkey (required) — string — 64-hex Nostr pubkey to admit
  • name — string — Optional NIP-05 name to bundle
  • relays — string — Optional comma-separated relay URLs for the NIP-05 record

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• broken_sites_leads

  Full pack of small-business websites with verified passive-audit issues (business name, website, country, public business phone, issues found). No personal names, no email addresses. US$5.00 USDC on Base (x402) or 5000 sats (Cashu / L402). Free 3-row sample at /leads/broken-sites/sample.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• x402_mcp_starter_pack

  Original Mat pack: x402 + MCP paid-API starter kit (working Cloudflare Worker template, Claude Code skill, prompts, ship checklist). ZIP download. US$9.00 USDC on Base (x402) or 11000 sats (Cashu / L402). Free preview at /products/x402-mcp-starter/preview.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• list_me

  List your x402 agent/API origin on free no-account directories (agent402.tools, 402index.io, x402dash). Pass url=https://your.origin (optional contact=email). Returns proof links; rate-limited leftovers are queued. US$3.00 USDC on Base (x402) or 3700 sats (Cashu / L402). Free info: GET /list-me ; status: GET /list-me/status?id=

  Parameters:

  • url (required) — string — https origin of the buyer agent/API
  • contact — string — Optional contact email for indexes that accept one

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• x402_mcp_starter_preview

  FREE. Preview of the x402+MCP starter skill pack (contents + excerpt). Paid ZIP tool: x402_mcp_starter_pack.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• list_me_info

  FREE. Info for the agent directory listing service (price, directories, how to call list_me).

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

Publisher website

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.