crawl4ai_research_search_papers $0.001 per call

Search arXiv papers. Papers on arXiv that match a query, from the arXiv API: title, authors, the first 500 characters of the abstract, the paper's page, the PDF, submission time and primary category. `sort` is relevance or date; `category` narrows to one arXiv category such as cs.LG; `limit` up to 100. Columns: title, authors, abstract, url, pdf, published, category. (Crawl4AI · Academic literature)

For AI agents: call crawl4ai_research_search_papers
POST https://toll402.dev/v1/p/crawl4ai.research.search.papers
{
 "query": "rust memory safety"
}
Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server: npx -y toll402-mcp · remote https://toll402.dev/mcp.

Input schema

{
 "type": "object",
 "properties": {
  "category": {
   "type": "string",
   "description": "default",
   "examples": [
    "cs.LG"
   ]
  },
  "limit": {
   "type": "integer",
   "description": "default 20"
  },
  "query": {
   "type": "string",
   "examples": [
    "rust memory safety"
   ]
  },
  "sort": {
   "type": "string",
   "description": "default relevance"
  }
 },
 "additionalProperties": true,
 "required": [
  "query"
 ]
}

MCP

{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}

All tools · OpenAPI