Back to Browse
Free
Server data from the Official MCP Registry
30+ academic research tools. Semantic Scholar, arXiv, PubMed, bioRxiv, CrossRef, IACR.
About
30+ academic research tools. Semantic Scholar, arXiv, PubMed, bioRxiv, CrossRef, IACR.
Remote endpoints: streamable-http: https://research.mcp.xpay.sh/mcp?key={api_key}
Security Report
9.9
Low Risk9.9Low RiskValid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
Endpoint verified · Open access · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-xpaysh-academic-research": {
"url": "https://research.mcp.xpay.sh/mcp?key={api_key}"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
xpay MCP Server
980+ AI tools available as MCP servers. Pay $0.01/call in USDC via the x402 protocol. One API key, 30+ providers — no individual provider accounts or subscriptions needed.
Quick Start
1. Get your API key
Sign up at app.xpay.sh and create an API key. Add credits to your wallet (USDC on Base).
2. Add to your MCP client
Claude Desktop / Cursor / Windsurf — add to your MCP config:
{
"mcpServers": {
"xpay": {
"url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
}
}
}
Claude Code CLI:
claude mcp add --transport http "xpay" "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
Replace YOUR_API_KEY with your key from step 1.
3. Use tools
Your AI assistant will automatically discover all available tools. Each tool call costs $0.01 USDC, deducted from your wallet balance.
Collection Servers
Instead of connecting to all 980+ tools, you can connect to a focused collection:
| Collection | Endpoint | Tools | Providers |
|---|---|---|---|
| All Tools | https://mcp.xpay.sh/mcp?key=YOUR_API_KEY | 980+ | All 30+ |
| Lead Generation | https://lead-gen.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~50 | Hunter, Apollo, Tomba, Sixtyfour, Fiber, Exa, Nyne |
| Competitive Intel | https://compete.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~40 | Brand.dev, Coresignal, Keywords Everywhere, Exa, Firecrawl, Shofo |
| Content Research | https://content.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~40 | Perplexity, Tavily, Semantic Scholar, FLUX, Ideogram, Recraft |
| Web Scraping | https://scraping.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~35 | Firecrawl, Bright Data, Jina, Olostep, ScrapeGraph, Notte |
| Developer Tools | https://devtools.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~30 | Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML |
| Finance | https://finance.mcp.xpay.sh/mcp?key=YOUR_API_KEY | 253 | Financial Modeling Prep, Alpha Vantage, AkShare, Polymarket |
| Media Studio | https://media.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~25 | FLUX, Ideogram, Recraft, Stability AI, MiniMax, Kokoro |
| Social Media | https://social.mcp.xpay.sh/mcp?key=YOUR_API_KEY | 96 | ScapeCreators, Shofo, YouTube |
| Academic Research | https://research.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~30 | Semantic Scholar, Google Scholar, PubMed, arXiv |
| Marketing | https://marketing.mcp.xpay.sh/mcp?key=YOUR_API_KEY | ~30 | Keywords Everywhere, Brand.dev, Exa, Tavily, Ideogram |
How It Works
- Get a key — Sign up at app.xpay.sh and add USDC credits
- Connect — Add the endpoint URL (with your key) to any MCP client
- Call tools — Your AI assistant discovers and calls tools naturally
- Auto-deduct — Each call costs $0.01 USDC, deducted from your wallet balance
No individual provider API keys. No separate accounts. One key for 30+ providers.
Requirements
- API key from app.xpay.sh
- USDC credits in your xpay wallet (add via Coinbase)
- MCP client — Claude Desktop, Cursor, Windsurf, Claude Code CLI, Cline, etc.
How x402 Works
x402 is an open protocol for machine-to-machine payments using HTTP 402 Payment Required. When a tool call requires payment:
- Server responds with
402 Payment Required+ a payment invoice - Client signs a USDC payment on Base blockchain
- Server verifies payment and executes the tool
- Settlement is instant, non-custodial, and peer-to-peer
Browse Tools
- Hub: xpay.tools
- Docs: docs.xpay.sh
- Platform: xpay.sh
Related
@xpaysh/x402— x402 facilitator SDK@xpaysh/n8n-nodes-xpay— n8n community node@xpaysh/agent-kit-langchain— LangChain integration- xpay Facilitator — Open x402 facilitator service
License
MIT
Reviews
No reviews yet
Be the first to review this server!
More Education & Research MCP Servers
Toleno
Freeby Toleno · Developer Tools
Toleno Network MCP Server — Manage your Toleno mining account with Claude AI using natural language.
114
Stars
409
Installs
8.0
Security
4.8
Local
mcp-creator-python
Freeby mcp-marketplace · Developer Tools
Create, build, and publish Python MCP servers to PyPI — conversationally.
-
Stars
56
Installs
10.0
Security
5.0
Local
MarkItDown
Freeby Microsoft · Content & Media
Convert files (PDF, Word, Excel, images, audio) to Markdown for LLM consumption
116.1K
Stars
15
Installs
6.0
Security
5.0
Local
mcp-creator-typescript
Freeby mcp-marketplace · Developer Tools
Scaffold, build, and publish TypeScript MCP servers to npm — conversationally
-
Stars
14
Installs
10.0
Security
5.0
Local
FinAgent
Freeby mcp-marketplace · Finance
Free stock data and market news for any MCP-compatible AI assistant.
-
Stars
13
Installs
10.0
Security
No ratings yet
Local
Google Workspace MCP
Freeby Taylorwilsdon · Productivity
Control Gmail, Calendar, Docs, Sheets, Drive, and more from your AI
1.6K
Stars
11
Installs
7.0
Security
No ratings yet
Local