mirror of
https://github.com/coleam00/Archon.git
synced 2026-01-08 07:38:23 -05:00
113 lines
3.3 KiB
Python
113 lines
3.3 KiB
Python
from mcp.server.fastmcp import FastMCP
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from datetime import datetime
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from dotenv import load_dotenv
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from typing import Dict, List
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import threading
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import requests
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import asyncio
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import uuid
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import sys
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import os
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# Load environment variables from .env file
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load_dotenv()
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# Initialize FastMCP server
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mcp = FastMCP("archon")
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# Store active threads
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active_threads: Dict[str, List[str]] = {}
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# FastAPI service URL
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GRAPH_SERVICE_URL = os.getenv("GRAPH_SERVICE_URL", "http://localhost:8100")
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def write_to_log(message: str):
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"""Write a message to the logs.txt file in the workbench directory.
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Args:
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message: The message to log
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"""
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# Get the directory one level up from the current file
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current_dir = os.path.dirname(os.path.abspath(__file__))
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parent_dir = os.path.dirname(current_dir)
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workbench_dir = os.path.join(parent_dir, "workbench")
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log_path = os.path.join(workbench_dir, "logs.txt")
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os.makedirs(workbench_dir, exist_ok=True)
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timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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log_entry = f"[{timestamp}] {message}\n"
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with open(log_path, "a", encoding="utf-8") as f:
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f.write(log_entry)
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@mcp.tool()
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async def create_thread() -> str:
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"""Create a new conversation thread for Archon.
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Always call this tool before invoking Archon for the first time in a conversation.
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(if you don't already have a thread ID)
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Returns:
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str: A unique thread ID for the conversation
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"""
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thread_id = str(uuid.uuid4())
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active_threads[thread_id] = []
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write_to_log(f"Created new thread: {thread_id}")
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return thread_id
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def _make_request(thread_id: str, user_input: str, config: dict) -> str:
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"""Make synchronous request to graph service"""
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response = requests.post(
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f"{GRAPH_SERVICE_URL}/invoke",
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json={
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"message": user_input,
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"thread_id": thread_id,
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"is_first_message": not active_threads[thread_id],
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"config": config
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}
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)
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response.raise_for_status()
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return response.json()
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@mcp.tool()
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async def run_agent(thread_id: str, user_input: str) -> str:
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"""Run the Archon agent with user input.
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Only use this tool after you have called create_thread in this conversation to get a unique thread ID.
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If you already created a thread ID in this conversation, do not create another one. Reuse the same ID.
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After you receive the code from Archon, always implement it into the codebase unless asked not to.
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Args:
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thread_id: The conversation thread ID
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user_input: The user's message to process
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Returns:
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str: The agent's response which generally includes the code for the agent
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"""
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if thread_id not in active_threads:
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write_to_log(f"Error: Thread not found - {thread_id}")
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raise ValueError("Thread not found")
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write_to_log(f"Processing message for thread {thread_id}: {user_input}")
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config = {
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"configurable": {
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"thread_id": thread_id
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}
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}
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try:
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result = await asyncio.to_thread(_make_request, thread_id, user_input, config)
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active_threads[thread_id].append(user_input)
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return result['response']
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except Exception as e:
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raise
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if __name__ == "__main__":
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write_to_log("Starting MCP server")
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# Run MCP server
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mcp.run(transport='stdio')
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