mcp_client.py

import os
import gradio as gr
from typing import List, Dict
from smolagents import InferenceClientModel, LiteLLMModel, ToolCallingAgent, MCPClient
import datetime

time = datetime.datetime.now().astimezone().isoformat()

SYSTEM_PROMPT = """You are a helpful Formula 1 assistant and strategist. You have access to various F1 data and tools to help answer questions about races, drivers, teams, and more. 
Be concise and accurate in your responses. If you don't know something, use the available tools to find the information.
In addition, you will be asked to act as a live race engineer strategist during a Formula 1 race, making crucial calls during the event.

Current time (ISO 8601): {time}"""


def agent_chat(message: str, history: list):

    # Manually compose messages: system prompt, then history, then current user message
    message = f"{SYSTEM_PROMPT}\n{"\n".join([f"{x['role']}: {x['content']}" for x in history])}\nTask: {message}"
    return agent.run(message, max_steps=5)


if __name__ == "__main__":

    list_tools = False # Set to True to only list tools (used for debugging)
    local_model = True # If you have Ollama installed, set this to True
    
    try:

        mcp_client = MCPClient(
            {"url": "https://agents-mcp-hackathon-f1-mcp-server.hf.space/gradio_api/mcp/sse", "transport": "sse"})
        tools = mcp_client.get_tools()

        if list_tools:
            print("### MCP tools ### ")
            print("\n".join(f"Tool {1+i}: {t.name}: {t.description}" for i,t in enumerate(tools)))
            mcp_client.disconnect()
            exit(0)


        # Define model
        if local_model:
            model = LiteLLMModel(
                model_id="ollama_chat/qwen3:1.7b",
                api_base="http://127.0.0.1:11434", # Default ollama server
                num_ctx=32768,
            )
        else:
            model = InferenceClientModel(
                model_id="deepseek-ai/DeepSeek-R1",
                provider="nebius",
                api_key=os.getenv("NEBIUS_API_KEY")
            )

        agent = ToolCallingAgent(model=model, tools=[*tools])


        chat_interface = gr.ChatInterface(
            fn=agent_chat,
            type="messages",
            examples=[
                "What are the driver standings for the 2024 Formula 1 season?",
                "What is the calendar for the 2024 Formula 1 season?"
            ],
            title="🏎️ Formula 1 Assistant",
            description="This is a simple agent that uses MCP tools to answer questions about Formula 1."
        )

        chat_interface.launch()

    finally:
        mcp_client.disconnect()