MX Probe

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "dev.mxprobe/mxprobe",
  "description": "Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.",
  "title": "MX Probe",
  "repository": {
    "url": "https://github.com/andrewchmr/mxprobe",
    "source": "github",
    "subfolder": "packages/cli"
  },
  "version": "0.2.6",
  "websiteUrl": "https://mxprobe.dev",
  "packages": [
    {
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "identifier": "mxprobe",
      "version": "0.2.6",
      "runtimeHint": "npx",
      "transport": {
        "type": "stdio"
      },
      "packageArguments": [
        {
          "description": "Start the MCP server on stdio",
          "isRequired": true,
          "value": "mcp",
          "type": "positional",
          "valueHint": "mcp"
        }
      ],
      "environmentVariables": [
        {
          "description": "Hosted-tier API key from POST /v1/signup or the signup tool. Without it the verify tools run the free local DNS tier.",
          "isSecret": true,
          "name": "MXPROBE_API_KEY"
        }
      ]
    }
  ]
}