Agents that survivefailure, persisteverything.

import asyncio
import os
from dendrux import Agent, tool
from dendrux.llm.anthropic import AnthropicProvider

@tool()
async def add(a: int, b: int) -> int:
    """Add two numbers."""
    return a + b

async def main():
    async with Agent(
        provider=AnthropicProvider(
            model="claude-sonnet-4-6",
            api_key=os.environ["ANTHROPIC_API_KEY"],
        ),
        prompt="You are a calculator.",
        tools=[add],
    ) as agent:
        result = await agent.run("What is 15 + 27?")
        print(result.answer)

asyncio.run(main())