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News & RSSOSINTMCP serverFirst audited Nov 13, 2026

FreeTier Agent API

x402 or card pay-per-call: invoice JSON, DNS, whois, SSL, geocode, RSS feeds, sitemaps, QR codesThe vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 4 of 74 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 153 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://freetier-agent-api.pages.dev/mcp

Website Streamable HTTP · protocol 2025-06-18 · server version 4.0.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 4 of 74 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • list_endpoints
    • mcp_servers_sample
    • llm_pricing_sample
    • api_directory_sample

Tools

  • Passed: 74 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Note: Protocol version 2025-06-18.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (74)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • list_endpointsFree. List every endpoint (core products first) with its price in USDC, description and example query. Core: invoice-json $0.0075/page, token-risk $0.005, tx-explain $0.0025, wallet-profile $0.005, c…Doesn't say
  • mcp_servers_sampleFree. Five sample MCP servers from the 4,259-server directory (MIT source).Doesn't say
  • llm_pricing_sampleFree. List prices of five popular LLMs (USD per 1M tokens, LiteLLM table, MIT).Doesn't say
  • api_directory_sampleFree. Five live public APIs that need no key.Doesn't say
  • invoice_jsonSend exactly one of url, text, or file_base64 + mime_type. 3 free MCP calls per day (all tools together), then $0.0075 USDC per page via x402 or card credits (paid in-band: params._meta["x402/payment…Read-only
  • token_risk3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token risk: Deterministic ERC-20 risk check on Base or Ethereum…Read-only
  • tx_explain3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Base or Ethereum transaction hash -> plain JSON: status (succes…Read-only
  • wallet_profile3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Base or Ethereum address -> profile in one call: EOA, contract o…Read-only
  • contract_abi3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Base or Ethereum contract address -> ABI and function list: Sou…Read-only
  • site_contacts3 free MCP calls per day (all tools together), then $0.004 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Site contacts: Company website -> one clean contact row: role em…Read-only
  • page_rag3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Page RAG: Any public web page -> clean LLM-ready Markdown + RAG…Read-only
  • robots_check3 free MCP calls per day (all tools together), then $0.003 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Check whether a URL may be crawled per the site's robots.txt for…Read-only
  • page_meta3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Fetch a public web page (robots.txt respected) and return title…Read-only
  • llm_cost3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token & cost calculator: estimate tokens for a text (or pass inp…Read-only
  • page_check3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). One-call page audit for agents: HTTP status, redirects, latency…Read-only
  • link_check3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Check up to 20 URLs in one call: HTTP status, final URL after r…Read-only
  • country3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Country reference lookup by ISO2/ISO3/name: capital, population…Read-only
  • holidays3 free MCP calls per day (all tools together), then $0.0015 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Public holidays for ~490 countries/territories for 2026 and 202…Read-only
  • currency3 free MCP calls per day (all tools together), then $0.002 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Currency conversion with official ECB euro reference rates (~30…Read-only
  • base_gas3 free MCP calls per day (all tools together), then $0.0015 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Base gas price: Live Base mainnet gas price (gwei), latest bloc…Read-only
  • page_markdown3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Page to Markdown: Convert a public web page to clean Markdown (…Read-only
  • email_verify3 free MCP calls per day (all tools together), then $0.004 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Email verify: Email address check WITHOUT sending mail or SMTP p…Read-only
  • extract_json3 free MCP calls per day (all tools together), then $0.01 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Extract JSON: Messy text + JSON Schema in, clean JSON out. Uses a…Read-only
  • gas3 free MCP calls per day (all tools together), then $0.0015 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Gas price (5 EVM chains): Live gas prices across 5 EVM chains i…Read-only
  • token_info3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). ERC-20 token lookup on Ethereum, Base, Arbitrum, Optimism or Po…Read-only
  • ens3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). ENS + Basenames resolver: name -> address (vitalik.eth, jesse.b…Read-only
  • tx_status3 free MCP calls per day (all tools together), then $0.0015 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Transaction status for polling: up to 10 tx hashes in one call,…Read-only
  • dns3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). DNS lookup over DNS-over-HTTPS (Cloudflare, Google fallback): A…Read-only
  • domain_whois3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Domain registration lookup via RDAP (the official whois successo…Read-only
  • ssl_cert3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). TLS/SSL certificate check from public Certificate Transparency l…Read-only
  • geocode3 free MCP calls per day (all tools together), then $0.0015 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Geocoding with OpenStreetMap Nominatim: address or place name -…Read-only
  • feed_json3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). RSS / Atom / JSON Feed to clean JSON: give a feed URL (or a web…Read-only
  • sitemap3 free MCP calls per day (all tools together), then $0.003 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Sitemap to URL list: give a sitemap URL or just a domain (sitema…Read-only
  • qr_code3 free MCP calls per day (all tools together), then $0.0015 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). QR code generator: text, URL, payment URI (e.g. ethereum:/USDC…Read-only
  • apis_search3 free MCP calls per day (all tools together), then $0.001 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). API search: Search 2,230 link-checked public & free-tier APIs (5…Read-only
  • free_tiers3 free MCP calls per day (all tools together), then $0.001 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Free tiers: Current free-tier limits for developer services (hos…Read-only
  • llm_pricing3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). LLM pricing: AI model list prices (USD per 1M input/output/cache…Read-only
  • mcp_servers3 free MCP calls per day (all tools together), then $0.001 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). MCP servers search: Search 4,259 MCP (Model Context Protocol) se…Read-only
  • x402_services3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). x402 services search: Search ~8,900 live x402 pay-per-call APIs…Read-only
  • agent_tools3 free MCP calls per day (all tools together), then $0.001 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Agent tools search: One search across ~13,000 agent tools: 4,259…Read-only
  • dataset_fullDataset download: $1 USDC via x402. Buy the full Verified API Directory dataset (2,230 rows, JSON, CC BY 4.0 + MIT sources) in one call.Read-only
  • dump_mcp_serversDataset download: $1 USDC via x402. Full MCP server directory dump (4,259 servers, JSON). Source awesome-mcp-servers (MIT).Read-only
  • dump_llm_pricingDataset download: $1 USDC via x402. Full dump: list prices of ~3,000 AI models (LiteLLM table, MIT) + verified AI/dev free tiers with limits (JSON).Read-only
  • dump_world_referenceDataset download: $1 USDC via x402. Full dump: 252 countries (GeoNames, CC BY 4.0), 418 time zones, ~14,000 public holidays 2026-2027 (python-holidays, MIT). JSON.Read-only
  • dump_x402_servicesDataset download: $1 USDC via x402. Full dump: ~8,900 x402 pay-per-call APIs with category, price, chains and probe status (JSON). Data from nohumans.directory, CC BY 4.0, attribution required.Read-only
  • dump_agent_toolsDataset download: $1 USDC via x402. Full dump: Agent Tool Directory, ~13,000 MCP servers + x402 APIs in one unified schema (JSON). MIT + CC BY 4.0 sources, attribution included.Read-only
  • token_score3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token risk score: one ERC-20 token scored (0-100) with a short A…Read-only
  • token_portfolio3 free MCP calls per day (all tools together), then $0.01 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token portfolio risk scan: up to 20 ERC-20 tokens in one call, ea…Read-only
  • token_compare3 free MCP calls per day (all tools together), then $0.0075 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token risk comparison: two ERC-20 tokens side by side: which ha…Read-only
  • rug_check3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Rug pull check: one ERC-20 token, pass/warn/fail on four groups…Read-only
  • token_price3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token price: current USD price of one token by contract address…Read-only
  • token_prices3 free MCP calls per day (all tools together), then $0.004 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token prices (multi): USD prices for up to 30 tokens on one netw…Read-only
  • token_price_history3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Token price history: OHLCV candles (daily up to 180, hourly up t…Read-only
  • news_monitor3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). News search and monitor: latest news articles worldwide (65+ lan…Read-only
  • news_entity3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Entity news last 24h: who is writing about a company, person or…Read-only
  • news_sentiment3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). News sentiment: average tone of worldwide news coverage about a…Read-only
  • wiki_fact3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Wikipedia fact lookup: best-matching Wikipedia article for a que…Read-only
  • company_profile3 free MCP calls per day (all tools together), then $0.0075 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Company enrichment: domain in, company profile out - name, desc…Read-only
  • company_techstack3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Website tech stack detection: CMS, e-commerce, frameworks, analy…Read-only
  • company_contacts3 free MCP calls per day (all tools together), then $0.004 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Company contacts: public business contact details from the compa…Read-only
  • company_batch3 free MCP calls per day (all tools together), then $0.022 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Company enrichment batch: up to 10 domains in one call, each wit…Read-only
  • summarize3 free MCP calls per day (all tools together), then $0.004 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Text summarizer: summarize up to 12,000 characters into 3-6 bull…Read-only
  • classify3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Text classification: classify text (max 6,000 chars) into your o…Read-only
  • entity_extract3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Named entity extraction: people, organizations, locations, dates…Read-only
  • translate3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Text translation: translate up to 3,000 characters into one of 2…Read-only
  • email_verify_quick3 free MCP calls per day (all tools together), then $0.0025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Email quick check: offline syntax check, disposable-domain flag…Read-only
  • email_verify_batch3 free MCP calls per day (all tools together), then $0.005 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Email verification batch: up to 20 email addresses in one call -…Read-only
  • geocode_batch3 free MCP calls per day (all tools together), then $0.002 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). Geocode batch: up to 5 addresses or place names (separated by |)…Read-only
  • pack_wallet_safety3 free MCP calls per day (all tools together), then $0.024 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). FreeTier Wallet Safety Scan pack: Full safety scan of any wallet…Read-only
  • pack_website_to_rag3 free MCP calls per day (all tools together), then $0.015 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). FreeTier Website to RAG pack: Turn any web page into clean AI-re…Read-only
  • pack_b2b_lead_finder3 free MCP calls per day (all tools together), then $0.022 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). FreeTier B2B Lead Finder pack: Find B2B leads on any company web…Read-only
  • pack_payment_verification3 free MCP calls per day (all tools together), then $0.008 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). FreeTier Payment Verification pack: Verify a blockchain transact…Read-only
  • pack_domain_health3 free MCP calls per day (all tools together), then $0.025 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). FreeTier Domain Health Check pack: Full health check for a domai…Read-only
  • pack_ai_tool_discovery3 free MCP calls per day (all tools together), then $0.012 USDC via x402 or card credits (paid in-band: params._meta["x402/payment"]). FreeTier AI Tool Discovery pack: Discover AI-agent tooling in on…Read-only

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200153 ms
initializedHTTP 20229 ms
tools/listHTTP 200135 ms
unknown-methodHTTP 20046 ms

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