x402 tools mcp for VS Code

io.github.mizukaizen/x402-tools-mcp

melis x402 Tools — 22 pay-per-call APIs for AI agents. No accounts, no API keys. USDC on Base.

client:VS Code transport:stdio runtime:npm

Install x402 tools mcp in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "x402-payment-header",
      "description": "X402_PAYMENT_HEADER",
      "password": true
    },
    {
      "type": "promptString",
      "id": "x402-internal-key",
      "description": "X402_INTERNAL_KEY",
      "password": true
    }
  ],
  "servers": {
    "x402-tools-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "${input:x402-payment-header}",
        "X402_INTERNAL_KEY": "${input:x402-internal-key}"
      }
    }
  }
}

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

x402 tools mcp in other clients

x402 tools mcp MCP server