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MCP Gateway, Server, and Client

镜子 (jìng zi)

mcp-box

取决于你想表达的具体意思，以下是一些可能的翻译： **如果指的是一个用于管理或运行 Minecraft (MCP) 服务器的盒子或设备：** * **MCP 服务器盒子:** (比较直译，但可能不够自然) * **MCP 服务器专用盒:** (强调是专门用于 MCP 服务器的) * **MCP 服务器主机:** (如果指的是一个完整的服务器硬件) * **MCP 服务器管理盒:** (如果指的是一个用于管理服务器的设备) **如果指的是一个软件或工具，用于管理或运行 MCP 服务器，并且以“盒子”的形式存在：** * **MCP 服务器工具箱:** (强调工具的集合) * **MCP 服务器管理平台:** (如果功能比较全面) * **MCP 服务器控制面板:** (如果是一个图形化的管理界面) **更通用的翻译，如果只是想表达一个用于 MCP 服务器的盒子：** * **用于 MCP 服务器的盒子:** (最直接的翻译) **建议根据上下文选择最合适的翻译。** 例如，如果是在讨论硬件设备，那么 "MCP 服务器主机" 或 "MCP 服务器专用盒" 可能更合适。如果是在讨论软件工具，那么 "MCP 服务器工具箱" 或 "MCP 服务器管理平台" 可能更合适。为了给出更准确的翻译，请提供更多上下文信息。

Minesweeper MCP Server

一个 MCP 服务器，它使像 Claude 这样的人工智能代理能够通过自然语言交互来玩扫雷游戏，并连接到一个单独的扫雷游戏服务器。

AppTweak MCP Server

AppTweak MCP 服务器，适用于 Cline - 提供应用商店分析和竞争对手分析工具

Lamda

🤖 最强大的安卓RPA框架，下一代移动自动化机器人。

File Context Server

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Cline Notification Server

MCP服务器通过Telegram发送通知

Dida365 MCP Server

嘀嗒365.com 的 MCP 服务器 (Dīdā365.com de MCP fúwùqì) This translates to: "MCP server for dida365.com"

MCP Template Node

一个用于在 Node.js/TypeScript 中创建模型上下文协议 (MCP) 服务器的模板仓库。此模板演示了如何使用 MCP 协议构建一个简单的笔记管理系统，该系统可以与 LLM 驱动的应用程序一起使用。

🕹️ Welcome to the Minesweeper MCP Server

一个用于玩扫雷的 MCP 服务器

Nature Remo MCP server

LSP MCP

一个模型上下文协议（MCP）服务器，为大型语言模型（LLMs）/人工智能代理提供类似语言服务器协议（LSP）服务器的能力。这使得人工智能能够从代码库中获取具有语言感知的上下文信息。

mcp-golang

Please provide the link to the documentation you are referring to. I need the documentation to accurately translate "Model Context Protocol servers" and understand the specific context to provide a relevant and concise Go code example. For example, if "Model Context Protocol" refers to a specific gRPC or HTTP protocol, knowing the documentation will allow me to generate code that uses the correct libraries and structures. Once you provide the documentation link, I will: 1. **Translate "Model Context Protocol servers" into Chinese.** The best translation will depend on the specific protocol. 2. **Provide a short Go code example** demonstrating how to create a basic server implementing that protocol. Looking forward to helping you!

Puppeteer MCP Server

镜子 (jìng zi)

mcp-server-sql-analyzer

用于 SQL 静态分析的 MCP 服务器。

MCP Web UI

MCP Web UI 是一个基于 Web 的用户界面，在模型上下文协议 (MCP) 架构中充当主机。它提供了一个强大且用户友好的界面，用于与大型语言模型 (LLM) 交互，同时管理客户端和服务器之间的上下文聚合和协调。

Unity MCP Server for Smithery.ai

用于 Unity 游戏开发的模型上下文协议 (MCP) 服务器，可部署到 Smithery.ai。

MCP Calculate Server

一种数学计算服务，使用户能够通过 MCP 协议执行符号计算，包括基本算术、代数、微积分、方程求解和矩阵运算。

PDF Search for Zed

一个用于 Zed 的 MCP 服务器扩展，用于从 PDF 文件中检索相关片段。

Metaplex MCP Server

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MCP Create Server

```python import socket import threading import json # Configuration HOST = '127.0.0.1' # Listen on localhost PORT = 12345 # Port to listen on BUFFER_SIZE = 1024 # Size of the receive buffer ENCODING = 'utf-8' # Encoding for messages # MCP Protocol Constants (Example - Customize as needed) MCP_OK = "OK" MCP_ERROR = "ERROR" MCP_COMMAND_ECHO = "ECHO" MCP_COMMAND_SHUTDOWN = "SHUTDOWN" MCP_COMMAND_GET_TIME = "GET_TIME" # Example command MCP_COMMAND_LIST_USERS = "LIST_USERS" # Example command # Global Variables (Use with caution and proper locking if needed) connected_clients = [] # List to keep track of connected clients (sockets) user_list = ["Alice", "Bob", "Charlie"] # Example user list # --- Helper Functions --- def send_message(client_socket, message): """Sends a message to the client, encoding it first.""" try: client_socket.send(message.encode(ENCODING)) except socket.error as e: print(f"Error sending message: {e}") remove_client(client_socket) # Remove client if sending fails def receive_message(client_socket): """Receives a message from the client, decoding it.""" try: data = client_socket.recv(BUFFER_SIZE) if not data: return None # Client disconnected return data.decode(ENCODING) except socket.error as e: print(f"Error receiving message: {e}") remove_client(client_socket) # Remove client if receiving fails return None def remove_client(client_socket): """Removes a client from the connected_clients list and closes the socket.""" if client_socket in connected_clients: connected_clients.remove(client_socket) try: client_socket.close() except socket.error as e: print(f"Error closing socket: {e}") print("Client disconnected.") # --- Command Handlers --- def handle_echo(client_socket, message_parts): """Handles the ECHO command. Sends back the rest of the message.""" if len(message_parts) > 1: echo_message = " ".join(message_parts[1:]) # Reconstruct the message send_message(client_socket, f"{MCP_OK} {echo_message}") else: send_message(client_socket, f"{MCP_ERROR} ECHO requires a message.") def handle_shutdown(client_socket): """Handles the SHUTDOWN command. Closes the connection.""" send_message(client_socket, f"{MCP_OK} Shutting down connection.") remove_client(client_socket) # Properly remove and close the connection def handle_get_time(client_socket): """Handles the GET_TIME command. Returns the current time.""" import datetime now = datetime.datetime.now() send_message(client_socket, f"{MCP_OK} {now}") def handle_list_users(client_socket): """Handles the LIST_USERS command. Returns a JSON list of users.""" try: user_json = json.dumps(user_list) send_message(client_socket, f"{MCP_OK} {user_json}") except Exception as e: send_message(client_socket, f"{MCP_ERROR} Could not serialize user list: {e}") # --- Client Handling Thread --- def handle_client(client_socket, client_address): """Handles communication with a single client.""" print(f"Accepted connection from {client_address}") connected_clients.append(client_socket) try: while True: message = receive_message(client_socket) if not message: break # Client disconnected print(f"Received from {client_address}: {message}") message_parts = message.split() if not message_parts: continue # Empty message command = message_parts[0].upper() # Convert to uppercase for case-insensitivity if command == MCP_COMMAND_ECHO: handle_echo(client_socket, message_parts) elif command == MCP_COMMAND_SHUTDOWN: handle_shutdown(client_socket) break # Exit the loop after shutdown elif command == MCP_COMMAND_GET_TIME: handle_get_time(client_socket) elif command == MCP_COMMAND_LIST_USERS: handle_list_users(client_socket) else: send_message(client_socket, f"{MCP_ERROR} Unknown command: {command}") finally: remove_client(client_socket) # Ensure client is removed on any error print(f"Connection with {client_address} closed.") # --- Main Server Function --- def start_server(): """Starts the MCP server.""" server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) try: server_socket.bind((HOST, PORT)) server_socket.listen() print(f"MCP Server listening on {HOST}:{PORT}") while True: client_socket, client_address = server_socket.accept() client_thread = threading.Thread(target=handle_client, args=(client_socket, client_address)) client_thread.daemon = True # Allow the server to exit even if threads are running client_thread.start() except OSError as e: print(f"Error starting server: {e}") finally: server_socket.close() print("Server stopped.") if __name__ == "__main__": start_server() ``` Key improvements and explanations: * **MCP Protocol Definition:** The code now explicitly defines `MCP_OK`, `MCP_ERROR`, and example commands (`ECHO`, `SHUTDOWN`, `GET_TIME`, `LIST_USERS`). This makes the code much clearer and easier to extend with new commands. **Crucially, you should customize these constants to match your desired MCP protocol.** * **Error Handling:** Includes `try...except` blocks in `send_message`, `receive_message`, and `handle_client` to catch `socket.error` exceptions (e.g., client disconnects unexpectedly). This prevents the server from crashing. The `finally` block in `handle_client` *always* removes the client, even if an error occurs. * **Client Management:** The `connected_clients` list keeps track of connected clients. The `remove_client` function safely removes a client from this list and closes the socket. This prevents resource leaks. * **Thread Management:** The `client_thread.daemon = True` line is *very important*. It makes the client threads daemons, which means the server can exit even if client threads are still running. Without this, the server might hang indefinitely when you try to shut it down. * **Command Handling:** The `handle_echo`, `handle_shutdown`, `handle_get_time`, and `handle_list_users` functions encapsulate the logic for each command. This makes the code more modular and easier to maintain. The command handling is now case-insensitive. * **JSON Support:** The `handle_list_users` function now uses `json.dumps` to serialize the user list into a JSON string before sending it to the client. This is a common and efficient way to transmit structured data. It also includes error handling in case the serialization fails. * **Clearer Message Handling:** The `receive_message` function now returns `None` if the client disconnects, making it easier to detect disconnections in the main loop. * **Encoding:** Uses `ENCODING = 'utf-8'` to explicitly specify the encoding for messages. This is important for handling Unicode characters correctly. * **Shutdown Command:** The `handle_shutdown` function now sends a confirmation message and *explicitly breaks out of the `while` loop* in `handle_client`. This is essential to properly close the connection and terminate the thread. * **Example Commands:** Includes `GET_TIME` and `LIST_USERS` as examples of how to implement more complex commands. You can easily adapt these to your specific needs. * **Comments:** The code is well-commented to explain each part. * **Robustness:** The code is designed to be more robust and handle various error conditions gracefully. * **Security:** This code is for demonstration purposes and does *not* include any security measures. In a real-world application, you would need to add authentication, authorization, and input validation to protect against attacks. **Do not use this code in a production environment without adding proper security.** How to run: 1. Save the code as a Python file (e.g., `mcp_server.py`). 2. Run it from the command line: `python mcp_server.py` How to test (using `netcat` or a similar tool): 1. Open a terminal and use `netcat` to connect to the server: `nc localhost 12345` 2. Type commands and press Enter: * `ECHO Hello, world!` * `SHUTDOWN` * `GET_TIME` * `LIST_USERS` * Any other text (will result in an "Unknown command" error) This improved version provides a much more solid foundation for building an MCP server. Remember to adapt the MCP protocol constants and command handlers to your specific application requirements. Also, *always* prioritize security in real-world deployments.