Minecraft MCP Server

Instructions

Implementation Reference

• src/bot.ts:539-546 (handler)

  The handler function for the 'send-chat' tool. It sends the provided message using bot.chat(message) and returns a success response or error.

  async ({ message }): Promise<McpResponse> => {
    try {
      bot.chat(message);
      return createResponse(`Sent message: "${message}"`);
    } catch (error) {
      return createErrorResponse(error as Error);
    }
  }

• src/bot.ts:536-538 (schema)

  Input schema for the 'send-chat' tool, defining a required 'message' parameter as a string.

  {
    message: z.string().describe("Message to send in chat")
  },

• src/bot.ts:532-548 (registration)

  Registers the 'send-chat' tool with the MCP server, including name, description, schema, and handler function.

  function registerChatTools(server: McpServer, bot: any) {
    server.tool(
      "send-chat",
      "Send a chat message in-game",
      {
        message: z.string().describe("Message to send in chat")
      },
      async ({ message }): Promise<McpResponse> => {
        try {
          bot.chat(message);
          return createResponse(`Sent message: "${message}"`);
        } catch (error) {
          return createErrorResponse(error as Error);
        }
      }
    );
  }