Read Crossref Paper
read_crossref_paperAttempt to read and extract text content from a CrossRef paper.
How it works ↓Pricing
Per call
$0.01
Model
flat
Pay only for what you use. No subscriptions.
Inputs
save_path
stringpaper_id *
stringInput Parameters
Cost per run
Execution cost$0.01
About Read Crossref Paper
Attempt to read and extract text content from a CrossRef paper. Args: paper_id: CrossRef DOI (e.g., '10.1038/nature12373'). save_path: Directory where the PDF is/will be saved (default: './downloads'). Returns: str: Message indicating that direct paper reading is not supported. Note: CrossRef is a citation database and doesn't provide direct paper content. Use the DOI to access the paper through the publisher's website.
Frequently Asked Questions
Attempt to read and extract text content from a CrossRef paper. Args: paper_id: CrossRef DOI (e.g., '10.1038/nature12373'). save_path: Directory where the PDF is/will be saved (default: './downloads'). Returns: str: Message indicating that direct paper reading is not supported. Note: CrossRef is a citation database and doesn't provide direct paper content. Use the DOI to access the paper through the publisher's website.
Read Crossref Paper costs $0.01 per call on xpay. No subscription, no minimums. Pay only for the calls you make. New accounts get $5 in free credits.
Connect the Paper Search MCP endpoint to your client — Claude Code: claude mcp add --transport http paper-search "https://paper-search.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY"; Cursor/Windsurf/Cline/VS Code: same URL in mcp.json. The agent will see read_crossref_paper as a callable tool with the input schema and run it directly. (Unified across all providers: https://mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY, then xpay_run with toolPath paper-search/read_crossref_paper.)
Yes — that's exactly what xpay is for. You don't need a Paper Search account or API key. Sign up at xpay.tools (Google or email), get $5 free credit, and run Read Crossref Paper immediately. Billing flows through your xpay balance.
Read Crossref Paper accepts 2 input parameters: save_path, paper_id. See the input schema and runnable form on this page for details and to test live.