# Nanci Literature > Scientific literature search and analysis. ## Website https://github.com/BarnacleLabs/chimera-mcp-smithery ## Portal https://nanci-literature.on.xpay.sh ## MCP Servers ### Nanci Literature Scientific literature search and analysis URL: https://nanci-literature.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY Tools: - about_nanci: Get information about NanciMCP's capabilities for literature review ($0.01/call) - search_papers: Search for research papers using the research API ($0.01/call) - get_paper_details: Get detailed information about a specific research paper ($0.01/call) ## Get Started 1. Get an API key at https://nanci-literature.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