Todo-Listen

import { query } from "@anthropic-ai/claude-agent-sdk";

try {
  for await (const message of query({
    prompt: "Optimize my React app performance and track progress with todos",
    // Re-enable TodoWrite, which this example monitors. Without it, the SDK uses
    // Task tools instead and these tool_use blocks never appear.
    options: { maxTurns: 15, env: { ...process.env, CLAUDE_CODE_ENABLE_TASKS: "0" } }
  })) {
    // Todo updates are reflected in the message stream
    if (message.type === "assistant") {
      for (const block of message.message.content) {
        if (block.type === "tool_use" && block.name === "TodoWrite") {
          const todos = block.input.todos;

          console.log("Todo Status Update:");
          todos.forEach((todo, index) => {
            const status =
              todo.status === "completed" ? "✅" : todo.status === "in_progress" ? "🔧" : "❌";
            console.log(`${index + 1}. ${status} ${todo.content}`);
          });
        }
      }
    }
  }
} catch (error) {
  // A single-shot query() throws after yielding an error result,
  // such as when the maxTurns limit is hit.
  console.log(`Session ended with an error: ${error}`);
}

import asyncio

from claude_agent_sdk import query, ClaudeAgentOptions, AssistantMessage, ToolUseBlock


async def main():
    try:
        async for message in query(
            prompt="Optimize my React app performance and track progress with todos",
            # Re-enable TodoWrite, which this example monitors. Without it, the SDK uses
            # Task tools instead and these tool_use blocks never appear.
            options=ClaudeAgentOptions(max_turns=15, env={"CLAUDE_CODE_ENABLE_TASKS": "0"}),
        ):
            # Todo updates are reflected in the message stream
            if isinstance(message, AssistantMessage):
                for block in message.content:
                    if isinstance(block, ToolUseBlock) and block.name == "TodoWrite":
                        todos = block.input["todos"]

                        print("Todo Status Update:")
                        for i, todo in enumerate(todos):
                            status = (
 "✅"
 if todo["status"] == "completed"
 else "🔧"
 if todo["status"] == "in_progress"
 else "❌"
                            )
                            print(f"{i + 1}. {status} {todo['content']}")
    except Exception as error:
        # A single-shot query() raises after yielding an error result,
        # such as when the max_turns limit is hit.
        print(f"Session ended with an error: {error}")


asyncio.run(main())