# Tavily > AI-optimized search engine built for agents and RAG pipelines. Real-time web search, content extraction, crawling, and deep research — all in one API. ## Website https://tavily.com ## Portal https://tavily.on.xpay.sh ## MCP Servers ### Tavily Search AI-optimized web search and URL content extraction URL: https://tavily.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY Tools: - tavily_search: Search the web for current information on any topic. Use for news, facts, or data beyond your knowledge cutoff. Returns snippets and source URLs. ($0.02/call) - tavily_extract: Extract content from URLs. Returns raw page content in markdown or text format. ($0.02/call) - tavily_crawl: Crawl a website starting from a URL. Extracts content from pages with configurable depth and breadth. ($0.02/call) - tavily_map: Map a website's structure. Returns a list of URLs found starting from the base URL. ($0.02/call) - tavily_research: Perform comprehensive research on a given topic or question. Use this tool when you need to gather information from multiple sources, including web pages, documents, and other resources, to answer a question or complete a task. Returns a detailed response based on the research findings. Rate limit: 20 requests per minute. ($0.02/call) - tavily_skill: Search documentation for any library, API, or tool. Returns relevant, structured documentation chunks assembled for your specific query. When working with a specific library, always pass the library name for best results. ($0.02/call) ## Get Started 1. Get an API key at https://tavily.on.xpay.sh/account/keys 2. Add the MCP server URL to your client config (Claude, Cursor, Windsurf) 3. Pay per tool call from your XPay wallet ## About Powered by XPay — pay-per-use API access for AI agents. https://xpay.sh