All servers · Agent payments (x402)

FreeTier Agent API

dev.pages.freetier-agent-api/freetier-agent-api · v3.0.0

Measured by MCP Station

Description written by the publisher, not verified

x402 pay-per-call data for agents: LLM prices, MCP/x402 directories, holidays, FX, page checks

Connect

claude mcp add --transport http freetier-agent-api https://freetier-agent-api.pages.dev/mcp

{
  "mcpServers": {
    "freetier-agent-api": {
      "url": "https://freetier-agent-api.pages.dev/mcp"
    }
  }
}

Tools as reported by the server

• list_endpoints
  Free. List every FreeTier Agent API endpoint with price (25 free calls/day then $0.001 USDC via x402 on pay-per-call routes; dumps $5–$9), description and example query.
• mcp_servers_sample
  Free. Five sample MCP servers from the 4,259-server directory (MIT source).
• llm_pricing_sample
  Free. List prices of five popular LLMs (USD per 1M tokens, LiteLLM table, MIT).
• api_directory_sample
  Free. Five live public APIs that need no key.
• apis_search
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Search 2,230 link-checked public & free-tier APIs (59 categories). Filters: q, category, auth=none, alive=yes, https=yes, kind, limit<=50. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• free_tiers
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Current free-tier limits for developer services (hosting, DB, auth, email, CI, monitoring) and AI/LLM APIs, with official source URLs. Filter: q, category. Calling this tool returns the HTTP request and x402 payment requirements (or use the free q
• robots_check
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Check whether a URL may be crawled per the site's robots.txt for a given user-agent. Returns allowed, matched rule, crawl-delay, sitemaps. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• page_meta
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Fetch a public web page (robots.txt respected) and return title, meta description, canonical, Open Graph/Twitter tags, language, headings, link counts, HTTP status. Calling this tool returns the HTTP request and x402 payment requirements (or use t
• dataset_full
  Paid dump ($8 USDC via x402, or buy_with_card in the 402 body). Buy the full Verified API Directory dataset (2,230 rows, JSON, CC BY 4.0 + MIT sources) in one call. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• llm_pricing
  Pay-per-call: 25 free/day then $0.001 USDC via x402. AI model list prices (USD per 1M input/output/cached tokens, context window, vision/tools/reasoning flags) for ~3,000 models across OpenAI, Anthropic, Google, Mistral, Groq, Bedrock, Azure, Together, Fireworks and more, plus verified free tiers/ra
• llm_cost
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Token & cost calculator: estimate tokens for a text (or pass input_tokens/output_tokens) and price it across several models using provider list prices (LiteLLM price table, MIT). Params: models (comma list of model ids like gpt-4o-mini, claude-son
• mcp_servers
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Search 4,259 MCP (Model Context Protocol) servers by keyword, category, language (python/typescript/go/rust...), scope (cloud/local) and official flag. Returns repo URL and description. Calling this tool returns the HTTP request and x402 payment r
• page_check
  Pay-per-call: 25 free/day then $0.001 USDC via x402. One-call page audit for agents: HTTP status, redirects, latency, title, meta description, canonical, lang, Open Graph, JSON-LD types, headings, word count, plus agent-friendliness: robots.txt rules for 14 AI crawlers, llms.txt, sitemap, and a 0-10
• link_check
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Check up to 20 URLs in one call: HTTP status, final URL after redirects, redirect count, latency, content-type, ok flag. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• country
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Country reference lookup by ISO2/ISO3/name: capital, population, area, continent, currency, phone prefix, TLD, languages, neighbours, time zones with current UTC offset and local time. Calling this tool returns the HTTP request and x402 payment re
• holidays
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Public holidays for ~490 countries/territories for 2026 and 2027; optional date=YYYY-MM-DD answers is_holiday. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• currency
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Currency conversion with official ECB euro reference rates (~30 currencies, daily). Params: from, to, amount. Also returns the rate date. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• base_gas
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Live Base mainnet gas price (gwei), latest block, and estimated ETH cost of a USDC transfer (~65k gas) and a plain ETH transfer (21k gas). Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• page_markdown
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Convert a public web page to clean Markdown (title, headings, paragraphs, lists, links, code), scripts/nav/footer removed, max ~60k chars. robots.txt respected. Calling this tool returns the HTTP request and x402 payment requirements (or use the f
• dump_mcp_servers
  Paid dump ($9 USDC via x402, or buy_with_card in the 402 body). Full MCP server directory dump (4,259 servers, JSON). Source awesome-mcp-servers (MIT). Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• dump_llm_pricing
  Paid dump ($5 USDC via x402, or buy_with_card in the 402 body). Full dump: list prices of ~3,000 AI models (LiteLLM table, MIT) + verified AI/dev free tiers with limits (JSON). Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• dump_world_reference
  Paid dump ($6 USDC via x402, or buy_with_card in the 402 body). Full dump: 252 countries (GeoNames, CC BY 4.0), 418 time zones, ~14,000 public holidays 2026-2027 (python-holidays, MIT). JSON. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quota).
• email_verify
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Email address check WITHOUT sending mail or SMTP probing: RFC-style syntax check, domain MX/A records via DNS-over-HTTPS, disposable-domain flag (CC0 blocklist, ~9,900 domains), role-address flag (info@, support@...), free-mail flag. Verdict: deli
• extract_json
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Messy text + JSON Schema in, clean JSON out. Uses a small LLM (Cloudflare Workers AI, Llama 3.1 8B, JSON mode) when available, else a deterministic key:value/regex extractor; the result is type-checked against your schema and missing fields are nu
• x402_services
  Pay-per-call: 25 free/day then $0.001 USDC via x402. Search ~8,900 live x402 pay-per-call APIs (verified/unverified by nohumans.directory probes, CC BY 4.0): name, endpoint URL, category, price, chains, status, score. Filters: q, category, chain, max_price, status=verified, limit<=100. Calling this
• agent_tools
  Pay-per-call: 25 free/day then $0.001 USDC via x402. One search across ~13,000 agent tools: 4,259 MCP servers (awesome-mcp-servers, MIT) and ~8,900 x402 pay-per-call APIs (nohumans.directory, CC BY 4.0). Filters: q, type=mcp|x402, limit<=100. Calling this tool returns the HTTP request and x402 payme
• dump_x402_services
  Paid dump ($6 USDC via x402, or buy_with_card in the 402 body). 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. Calling this tool returns the HTTP request and x402 payment requirements (or u
• dump_agent_tools
  Paid dump ($7 USDC via x402, or buy_with_card in the 402 body). Full dump: Agent Tool Directory, ~13,000 MCP servers + x402 APIs in one unified schema (JSON). MIT + CC BY 4.0 sources, attribution included. Calling this tool returns the HTTP request and x402 payment requirements (or use the free quot

Tool changes

• 2026-10-20: list_endpoints, mcp_servers_sample, llm_pricing_sample, api_directory_sample, apis_search, free_tiers, robots_check, page_meta, dataset_full, llm_pricing, llm_cost, mcp_servers
• 2026-10-19: list_endpoints, mcp_servers_sample, llm_pricing_sample, api_directory_sample, apis_search, free_tiers, robots_check, page_meta, dataset_full, llm_pricing, llm_cost, mcp_servers
• 2026-10-18: list_endpoints, mcp_servers_sample, llm_pricing_sample, api_directory_sample, apis_search, free_tiers, robots_check, page_meta, dataset_full, llm_pricing, llm_cost, mcp_servers

Website · JSON · Text for agents · Registry updated 2026-10-18