io.github.fernsugi/x402-api MCP Server

io.github.fernsugi/x402-api

Repository Registry

What is the io.github.fernsugi/x402-api MCP server?

Eight paid DeFi tools: prices, gas, swaps, token security, holders, yields, funding and wallets

How to install io.github.fernsugi/x402-api

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

X402_API_BASE_URL
x402 API base URL (default: https://x402-api.fly.dev)
X402_WALLET_PRIVATE_KEY
secret
Base wallet private key for optional EIP-3009 auto-pay. Default mode inspects payment requirements without paying.
X402_MAX_PER_CALL_USDC
Maximum USDC allowed per automatic tool call (default: 0.01)
X402_REFERRAL_SOURCE
Optional referral label: github, glama, nohumans, bazaar, mcp, eliza, demo or test. Default mcp.
X402_EXPECTED_PAY_TO
Expected payment recipient; defaults to the official x402-api wallet. Change only when using a trusted alternative deployment.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "x402-api": {
      "command": "npx",
      "args": [
        "-y",
        "@x402-api/mcp-server"
      ],
      "env": {
        "X402_API_BASE_URL": "<YOUR_X402_API_BASE_URL>",
        "X402_WALLET_PRIVATE_KEY": "<YOUR_X402_WALLET_PRIVATE_KEY>",
        "X402_MAX_PER_CALL_USDC": "<YOUR_X402_MAX_PER_CALL_USDC>",
        "X402_REFERRAL_SOURCE": "<YOUR_X402_REFERRAL_SOURCE>",
        "X402_EXPECTED_PAY_TO": "<YOUR_X402_EXPECTED_PAY_TO>"
      }
    }
  }
}