x402 mcp for VS Code

io.github.carboncashmere/x402-mcp

177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent

client:VS Code transport:stdio runtime:npm

Install x402 mcp in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "evm-private-key",
      "description": "EVM_PRIVATE_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "svm-private-key",
      "description": "SVM_PRIVATE_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "x402-tool-limit",
      "description": "X402_TOOL_LIMIT",
      "password": true
    }
  ],
  "servers": {
    "x402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@carbon-cashmere/x402-mcp"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "${input:evm-private-key}",
        "SVM_PRIVATE_KEY": "${input:svm-private-key}",
        "X402_TOOL_LIMIT": "${input:x402-tool-limit}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

x402 mcp in other clients

x402 mcp MCP server