Anthropic Claude

pip install agentx-python anthropic

from agentx import AgentX
import anthropic

client = AgentX.from_env()
ant = anthropic.Anthropic()

def claude_agent(case):
    msg = ant.messages.create(
        model="claude-haiku-4-5-20251001",
        max_tokens=1024,
        system="You are a helpful customer support agent.",
        messages=[{"role": "user", "content": case.query}],
    )
    return {"output": msg.content[0].text, "metadata": {"model": msg.model}}

run_context = (
    client.evaluations
    .run(dataset_id="...", subject={"kind": "custom_agent", "displayName": "Claude Haiku", "framework": "anthropic"})
    .execute(claude_agent)
    .finalize()
)
print(f"Average rating: {run_context.average_rating:.2f}")

from agentx import AgentX
from agentx.integrations.anthropic import patch_anthropic_client
import anthropic

client = AgentX.from_env()
ant = anthropic.Anthropic()
patch_anthropic_client(ant, tracer=client.tracer, name="claude-support-agent")

def claude_agent(case):
    with client.tracer.trace("claude-support-agent-call", framework="anthropic", sync=True, monitor=False) as span:
        msg = ant.messages.create(
            model="claude-haiku-4-5-20251001",
            max_tokens=1024,
            system="You are a helpful customer support agent.",
            messages=[{"role": "user", "content": case.query}],
        )
        span.output = msg.content[0].text

    return {
        "output": msg.content[0].text,
        "metadata": {"model": msg.model},
        "trace_id": span.trace_id,
    }