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x402-gated web scraping MCP server. Pay 0.01 USDC per page on Base. Returns clean Markdown via JSDOM
About
x402-gated web scraping MCP server. Pay 0.01 USDC per page on Base. Returns clean Markdown via JSDOM
Remote endpoints: sse: https://aetheris-mcp.onrender.com/sse
Security Report
Aetheris-MCP is a monetized web scraping server with several notable security concerns. While the x402 payment mechanism and core architecture show thoughtful design, the server suffers from insufficient input validation, unsafe web scraping patterns, and critical missing implementations (loyalty-program and social-sharing modules are referenced but not provided). The server lacks URL validation, performs unsafe JSDOM parsing without content security considerations, and the payment verification logic relies on external RPC calls without adequate timeout or failure handling. These issues, combined with incomplete code review, place this server in the moderate-risk category. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 2 high severity).
7 files analyzed · 12 issues 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 Install & Connect
Available as Local & Remote
This plugin can run on your machine or connect to a hosted endpoint. during install.
Documentation
View on GitHubFrom the project's GitHub README.
🛡️ Aetheris-MCP: The x402 Agentic Web Scraper
Aetheris-MCP is an enterprise-grade Server-Sent Events (SSE) Model Context Protocol server. It provides AI Agents with high-fidelity, ad-free Markdown web scraping capabilities, protected by an on-chain x402 Micropayment Interceptor.
Bring Your Own Key (BYOK) for inference. Settle in USDC on Base for context.
🏗️ Architecture
- Engine: Node.js + Express
- Scraper: JSDOM (Deep DOM sanitization, strips scripts/styles/ads)
- Transport: Server-Sent Events (
/sse&/message) - Monetization:
ethers.js(EVM HTTP 402 validation on Base Mainnet)
🚀 One-Click Deployment
This repository is configured with a render.yaml Blueprint.
- Fork this repository.
- Go to your Render Dashboard.
- Click New -> Blueprint.
- Connect the forked repository. Render will automatically detect the configuration and deploy the Express server.
⚙️ Environment Variables
Ensure you set these in your hosting environment:
REQUIRE_PAYMENT(boolean) - Enforces the 402 interceptor.BASE_MICROPAYMENT_COST(float) - USDC cost per scrape (e.g.,0.01).USDC_CONTRACT_ADDRESS- The target ERC-20 contract.MERCHANT_WALLET_ADDRESS- Your EVM public key.RPC_URL- Your Web3 RPC provider (defaults tohttps://mainnet.base.org).
💻 Client Integration
Agents should NOT connect to this server manually. Use the official Auto-Settlement SDK:
npm install @aetheris/mcp-client
See the Client SDK Repository for documentation on how the SDK intercepts the 402 challenge and settles the transaction autonomously.
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