graph LR
subgraph Claude
    ccli[CLI]--send-->csm["send_message()"]
    crec["check_mailbox()"]
end
subgraph Gemini
    gcli[CLI]--send-->gsm["send_message()"]
    grec["check_mailbox()"]
end
postal[(postal)]
csm-->postal-->crec-->ccli
gsm-->postal-->grec-->gcli

PROMPT="Notice that you have two tools, check_mail and send_to_agent. You should get **all** instructions from check_mail. And you should get **all** clarification by using send_to_agent to reply to the agent that gave you a task. Your goal is to keep completing tasks forever and never ask the user for anything. Only talk to agents. You are gemini"

gemini --yolo --prompt "$PROMPT"

{
  "mcpServers": {
    "postal": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "http://0.0.0.0:7777/agents/gemini/mcp", "--allow-http", "--transport", "http-only"]
    }
  }
}

{
  "mcpServers": {
    "postal": {
      "url": "http://0.0.0.0:7777/agents/gemini/mcp",
      "transport": "http"
    }
  }
}