x402-sms

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.UltraStarz/x402-sms",
  "description": "Pay-per-call MCP server. $0.03 USDC sends one transactional SMS to a US phone number via x402.",
  "repository": {
    "url": "https://github.com/UltraStarz/x402-sms-mcp",
    "source": "github"
  },
  "version": "0.1.0",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "x402-sms-mcp",
      "version": "0.1.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Ethereum private key for the buyer wallet that pays the per-call USDC fee.",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "BUYER_PRIVATE_KEY"
        }
      ]
    }
  ]
}