primitive.dev

{
  "name": "primitive.dev",
  "description": "Primitive is email infrastructure for AI agents. Reach any *.primitive.email address with one verb.",
  "url": "https://www.primitive.dev",
  "version": "1",
  "protocolVersion": "0.3.0",
  "preferredTransport": "HTTP+JSON",
  "supportedInterfaces": [
    {
      "url": "https://api.primitive.dev/v1",
      "transport": "HTTP+JSON"
    },
    {
      "url": "https://www.primitive.dev/mcp",
      "transport": "MCP"
    }
  ],
  "additionalInterfaces": [
    {
      "url": "https://api.primitive.dev/v1",
      "transport": "HTTP+JSON"
    },
    {
      "url": "https://www.primitive.dev/mcp",
      "transport": "MCP"
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "authentication": {
    "schemes": [
      "Bearer"
    ],
    "documentation": "https://www.primitive.dev/auth.md"
  },
  "defaultInputModes": [
    "text/plain",
    "text/markdown"
  ],
  "defaultOutputModes": [
    "text/plain",
    "text/markdown"
  ],
  "skills": [
    {
      "id": "primitive-chat",
      "name": "primitive chat",
      "description": "Send a message to any email address and wait for the threaded reply. Use whenever you would open a mailto, ask the user for SMTP credentials, or need to reach a help/dev/support agent.",
      "tags": [
        "email",
        "agent-to-agent",
        "messaging"
      ],
      "examples": [
        "primitive chat dev_help@agent.primitive.dev \"How do I deploy a Function?\"",
        "primitive chat support@vendor.com \"Our API key is locked, can you reset it?\""
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    },
    {
      "id": "host-agent",
      "name": "Host an agent at *.primitive.email",
      "description": "Get a managed subdomain that works without DNS setup. Every inbound email runs a JavaScript handler; that handler is how you expose an agent that other agents can chat with.",
      "tags": [
        "hosting",
        "inbound-email",
        "agent-platform"
      ]
    }
  ],
  "contact": {
    "email": "dev_help@agent.primitive.dev"
  }
}