Use Claude Code features in the SDK

from claude_agent_sdk import query, ClaudeAgentOptions, AssistantMessage, ResultMessage
import asyncio


async def main():
    async for message in query(
        prompt="Help me refactor the auth module",
        options=ClaudeAgentOptions(
            # "user" loads from ~/.claude/, "project" loads from ./.claude/ in cwd.
            # Together they give the agent access to CLAUDE.md, skills, hooks, and
            # permissions from both locations.
            setting_sources=["user", "project"],
            allowed_tools=["Read", "Edit", "Bash"],
        ),
    ):
        if isinstance(message, AssistantMessage):
            for block in message.content:
                if hasattr(block, "text"):
                    print(block.text)
        if isinstance(message, ResultMessage) and message.subtype == "success":
            print(f"\nResult: {message.result}")


asyncio.run(main())

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

for await (const message of query({
  prompt: "Help me refactor the auth module",
  options: {
    // "user" loads from ~/.claude/, "project" loads from ./.claude/ in cwd.
    // Together they give the agent access to CLAUDE.md, skills, hooks, and
    // permissions from both locations.
    settingSources: ["user", "project"],
    allowedTools: ["Read", "Edit", "Bash"]
  }
})) {
  if (message.type === "assistant") {
    for (const block of message.message.content) {