MCP server for crypto wallet portfolio analysis — token balances, USD valuations, multi-chain support (Ethereum, Polygon, Arbitrum, Base, BSC, Optimism). Pay-per-use via x402 protocol (USDC on Base). Use this when you need to check wallet holdings across chains.
Server Config
{
"mcpServers": {
"wallet-portfolio-x402": {
"url": "https://wallet-portfolio-x402-production.up.railway.app/mcp",
"transport": "sse"
}
}
}