The most extensive crypto MCP repository - 60+ networks, 100+ tools, DEX/CEX, DeFi, wallets, market data, automation, and x402 payments
Universal Crypto MCP MCP server is a hosted integration for AI assistants that speak the Model Context Protocol. The most extensive crypto MCP repository - 60+ networks, 100+ tools, DEX/CEX, DeFi, wallets, market data, automation, and x402 payments.
| Tool | What it does |
|---|---|
| x402_pay_request | Make HTTP request with automatic 402 payment |
| x402_balance | Check wallet balance (USDC/USDs + native) |
| x402_send | Send direct payment to an address |
| x402_batch_send | Send multiple payments in one transaction |
| x402_gasless_send | Send payment without paying gas |
| x402_estimate | Check cost before paying |
| x402_address | Get your wallet address |
| x402_networks | List supported networks |
| x402_yield | Check USDs auto-yield earnings |
| x402_apy | Get current APY rate |
| x402_yield_estimate | Project future yield |
| x402_approve | Approve token spending |
| x402_tx_status | Check transaction status |
| x402_config | View current configuration |
{
"mcpServers": {
"universal-crypto-mcp": {
"command": "npx",
"args": ["-y", "@nirholas/universal-crypto-mcp@latest"],
"env": {
"PRIVATE_KEY": "your_private_key_here (optional)"
}
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| PRIVATE_KEY | Credential the server authenticates with. | Yes |
| X402_PRIVATE_KEY | Credential the server authenticates with. | Yes |
| X402_CHAIN | Configuration value read at startup. | Optional |
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