uv add plato-sdk-v2

from plato.agents import BaseAgent, AgentConfig, Secret, register_agent
from typing import Annotated

class MyAgentConfig(AgentConfig):
    model_name: str = "anthropic/claude-sonnet-4"
    api_key: Annotated[str, Secret(description="API key")]

@register_agent("my-agent")
class MyAgent(BaseAgent[MyAgentConfig]):
    name = "my-agent"
    description = "My custom agent"

    async def run(self, instruction: str) -> None:
        # Access typed configuration
        model = self.config.model_name
        api_key = self.config.api_key

        # Execute task logic
        ...

        # Write trajectory
        await self.write_trajectory(trajectory)

api_key: Annotated[str, Secret(description="API key")]
# Loaded from ANTHROPIC_API_KEY env var

@register_agent("my-agent")
class MyAgent(BaseAgent[MyAgentConfig]):
    ...

# Retrieve agents
from plato.agents import get_agent, get_registered_agents
agent_cls = get_agent("my-agent")