[MCP再入門]「MCPはAIアプリにとってのUSB-C」がしっくりこなかったあなたに #Python – Qiita

uv init
uv sync
uv add openai-agents

from openai import AsyncAzureOpenAI
from openai.types.responses import ResponseTextDeltaEvent
from agents import set_default_openai_client, Agent, Runner
import asyncio

api_version = "2025-03-01-preview"
endpoint = "YOUR_OPENAI_ENDPOINT"
apikey = "YOUR_OPENAI_APIKEY"

async def main():
    openai_client = AsyncAzureOpenAI(
        api_key=apikey,
        api_version=api_version,
        azure_endpoint=endpoint,
    )

    # Set the default OpenAI client for the Agents SDK
    # set trace off because of recomendation from OpenAI
    set_default_openai_client(openai_client, use_for_tracing=False)

    try:

        agent = Agent(
            name="Assistant",
            instructions="You are a helpful assistant.",
            model="gpt-4o"
        )

        result = Runner.run_streamed(agent, "東京に行きます。天気予報は？")

        async for event in result.stream_events():
            if event.type == "raw_response_event" and isinstance(event.data, ResponseTextDeltaEvent):
                print(event.data.delta, end="", flush=True)
    finally:
        await openai_client.close()

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

from openai import AsyncAzureOpenAI
from openai.types.responses import ResponseTextDeltaEvent
from agents import set_default_openai_client, Agent, Runner
import asyncio
+from agents.mcp import MCPServerStdio

api_version = "2025-03-01-preview"
endpoint = "YOUR_OPENAI_ENDPOINT"
apikey = "YOUR_OPENAI_APIKEY"

async def main():
    openai_client = AsyncAzureOpenAI(
        api_key=apikey,
        api_version=api_version,
        azure_endpoint=endpoint,
    )

    # Set the default OpenAI client for the Agents SDK
    # set trace off because of recomendation from OpenAI
    set_default_openai_client(openai_client, use_for_tracing=False)

+    server = MCPServerStdio(
+        name="Weather Server, via uv",
+        params={
+            "command": "uv",
+            "args": ["run", "YOUR/UltraSimpleMCPSErver/PATH/main.py"],
+        },
+    )

    try:
+       await server.connect()

        agent = Agent(
            name="Assistant",
            instructions="You are a helpful assistant.",
+           mcp_servers=[server],
            model="gpt-4o"
        )

        result = Runner.run_streamed(agent, "東京に行きます。天気予報は？")

        async for event in result.stream_events():
            if event.type == "raw_response_event" and isinstance(event.data, ResponseTextDeltaEvent):
                print(event.data.delta, end="", flush=True)
    finally:
+       await server.cleanup()
        await openai_client.close()

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