Trace Claude Managed Agents

npm install langsmith @anthropic-ai/sdk

yarn add langsmith @anthropic-ai/sdk

export LANGSMITH_TRACING=true
export LANGSMITH_API_KEY=<your-langsmith-api-key>
export LANGSMITH_AGENT_ID="<your-agent-id>"
export LANGSMITH_AGENT_ENVIRONMENT="production"
export ANTHROPIC_API_KEY=<your-anthropic-api-key>

import Anthropic from "@anthropic-ai/sdk";
import { wrapAnthropic } from "langsmith/wrappers/anthropic";

const anthropic = wrapAnthropic(new Anthropic());

// Create a managed agent
const agent = await anthropic.beta.agents.create({
  name: "my-agent",
  model: "claude-opus-4-8",
  system: "You are a helpful assistant.",
  tools: [
    // ... your tools here
  ],
});

// Create a cloud environment for the agent to run in
const environment = await anthropic.beta.environments.create({
  name: "my-environment",
  config: {
    type: "cloud",
    networking: { type: "unrestricted" },
  },
});

// Create a session connecting the agent and environment
const session = await anthropic.beta.sessions.create({
  agent: agent.id,
  environment_id: environment.id,
  title: "My session",
});

// Stream session events
const stream = await anthropic.beta.sessions.events.stream(session.id);

// Send a message to the agent
await anthropic.beta.sessions.events.send(session.id, {
  events: [
    {
      type: "user.message",
      content: [
        {
          type: "text",
          text: "Hello! Can you help me with something?",
        },
      ],
    },
  ],
});

// Consume the event stream until the session is idle
for await (const event of stream) {
  if (event.type === "session.status_idle") {
    break;
  }
}