Anchor X402

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Anchor X402

stdio

9-tool x402-paid MCP server on Base + Solana mainnet. Pay-per-call USDC, no API keys.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Getting Started

npx @getmcp/cli add io.github.hypeprinter007-stack/anchor-x402

Requires Node.js 18+. Community-contributed server. Review source before installing.

Required Environment Variables

ANCHOR_WALLET_PRIVATE_KEY
EVM private key (0x-prefixed hex). The wallet pays for x402 calls in USDC on Base mainnet. Fund with USDC before use.

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.hypeprinter007-stack/anchor-x402": {
      "command": "npx",
      "args": [
        "-y",
        "anchor-x402-mcp"
      ],
      "env": {
        "ANCHOR_WALLET_PRIVATE_KEY": ""
      }
    }
  }
}

Claude Desktop MCP documentation

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