LangWatch

Integrate Agno with LangWatch to send traces and gain insights into your agent's performance.

Integrating Agno with LangWatch

LangWatch provides a robust platform for tracing and monitoring AI model calls. By integrating Agno with LangWatch, you can utilize OpenInference instrumentation to send traces and gain insights into your agent's performance.

Set OpenAI Key

Set your OPENAI_API_KEY as an environment variable. You can get one from OpenAI.

export OPENAI_API_KEY=sk-***

Prerequisites

  1. Install Dependencies

    Ensure you have the necessary packages installed:

    uv pip install langwatch agno openai openinference-instrumentation-agno

  2. Setup LangWatch Account

    • Sign up for an account at LangWatch.
    • Obtain your API key from the LangWatch dashboard.

  3. Set Environment Variables

    Configure your environment with the LangWatch API key:

    export LANGWATCH_API_KEY="your-api-key"

Sending Traces to LangWatch

Example: Using LangWatch with OpenInference

Instrument your Agno agent with OpenInference and send traces to LangWatch.

import langwatch

from agno.agent import Agent
from agno.models.openai import OpenAIResponses
from openinference.instrumentation.agno import AgnoInstrumentor

# Initialize LangWatch and instrument Agno
langwatch.setup(instrumentors=[AgnoInstrumentor()])

# Create and configure your Agno agent
agent = Agent(
    name="A helpful AI Assistant",
    model=OpenAIResponses(id="gpt-5.2"),
    tools=[],
    instructions="You are a helpful AI Assistant.",
    debug_mode=True,
)

# Use the agent
agent.print_response("Tell me a joke.")

The AgnoInstrumentor automatically captures all Agno agent activity. All traces will be sent to your LangWatch dashboard without requiring manual OpenTelemetry configuration.

Notes

  • Environment Variables: Ensure your environment variables are correctly set for the API key.
  • Automatic Instrumentation: The LangWatch SDK handles OpenTelemetry configuration automatically when you use langwatch.setup().
  • Additional Features: LangWatch supports capturing RAG data, metadata, attributes, evaluations, and guardrails. See the LangWatch documentation.

By following these steps, you can effectively integrate Agno with LangWatch, enabling comprehensive observability and monitoring of your AI agents.