Read Crossref Paper
read_crossref_paperAttempt 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.
When to Use
Use this tool when you need to 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.
. This is part of the Paper Search provider on xpay✦.
MCP Connection
Connect to xpay✦ to access this tool (and 24+ others):
{
"mcpServers": {
"xpay": {
"url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
}
}
}
For Claude Code:
claude mcp add --transport http xpay "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
How to Execute
Use the xpay✦ meta-tools to run this tool:
xpay_details— Get full input schema:xpay_details("paper-search/read_crossref_paper")xpay_run— Execute:xpay_run("paper-search/read_crossref_paper", { ...inputs })
Input Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
save_path | string | No | |
paper_id | string | Yes |
Pricing
- Cost: $0.01/call
- Balance check: Use
xpay_balanceto check remaining credits - Get your API key at xpay.tools — $5 free credits included
Related Skills
- Paper Search (all tools) — 25 tools
- Search — $0.01/call
- Fetch — $0.01/call
- Search Arxiv — $0.01/call
- Search Pubmed — $0.01/call
- Search Biorxiv — $0.01/call
Links
- Tool page: https://xpay.tools/paper-search/read-crossref-paper/
- Provider: https://xpay.tools/paper-search/
- All tools: https://xpay.tools/explore
How to Execute
Input Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
save_path | string | No | - |
paper_id | string | Yes | - |
Install Skill
Pricing
Cost
$0.01/call
Model
Flat rate
Provider
Paper Search

