# FreeTier Agent API

- Registry name: `dev.pages.freetier-agent-api/freetier-agent-api` · version 3.0.0
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Can write (some tools are not declared read-only)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=dev.pages.freetier-agent-api%2Ffreetier-agent-api
- Server page: https://mcpstation.net/s/dev.pages.freetier-agent-api--freetier-agent-api.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://freetier-agent-api.pages.dev/mcp`

## Tools (as reported by the server, not verified)

- `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

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