Add x402-crypto-api: Crypto & Web3 security MCP server with x402 payments

[qanzhi111]

Plugin Submission

Name: x402-crypto-api
Description: Paid crypto & Web3 security data MCP server. Real-time prices, address analysis, token security checks, contract risk analysis, and on-chain investigations via x402 payment protocol.

MCP Endpoint: https://spectacular-strength-production-0494.up.railway.app/mcp
GitHub: https://github.com/qanzhi111/x402-crypto-api
Pricing: $0.01-$0.25 per call (USDC on Base)

{"mcpServers":{"x402-crypto":{"url":"https://spectacular-strength-production-0494.up.railway.app/mcp"}}}