Nagoya Bus MCP

"""Demo script to run the MCP server with OpenAI Agents SDK."""

import asyncio
from pathlib import Path

from agents import Agent
from agents.mcp import MCPServerStdio
from agents.repl import run_demo_loop


async def main() -> None:
    """Run an interactive demo of the Nagoya Bus MCP server with OpenAI Agents SDK.

    Initializes the MCP server via stdio, creates a Nagoya Bus Assistant agent,
    and launches an interactive REPL loop for testing server capabilities.
    """
    async with MCPServerStdio(
        name="Nagoya Bus MCP server",
        params={
            "command": "uv",
            "args": [
                "--directory",
                str(Path(__file__).parent.parent),
                "run",
                "nagoya-bus-mcp",
            ],
        },
    ) as server:
        agent = Agent(
            name="Nagoya Bus Assistant",
            model="gpt-5-mini",
            instructions=(
                "You are a Nagoya City bus assistant. Help with station lookups, "
                "timetables, route guidance, and real-time approach information. "
                "Prefer using MCP tools for authoritative answers. Ask clarifying "
                "questions when a station name or route is ambiguous. The output "
                "should be in Markdown format."
            ),
            mcp_servers=[server],
        )
        await run_demo_loop(agent)


if __name__ == "__main__":
    asyncio.run(main())