Arize Phoenix Local Via OpenInference

Send stock-agent traces to a self-hosted Phoenix collector at localhost:6006 under a named project.

Demonstrates instrumenting an Agno agent and sending traces to a local Phoenix instance.

arize_phoenix_via_openinference_local.py

"""
Arize Phoenix Local Via OpenInference
=====================================

Demonstrates instrumenting an Agno agent and sending traces to a local Phoenix instance.
"""

import os

from agno.agent import Agent
from agno.models.openai import OpenAIChat
from agno.tools.yfinance import YFinanceTools
from phoenix.otel import register

# ---------------------------------------------------------------------------
# Setup
# ---------------------------------------------------------------------------
os.environ["PHOENIX_COLLECTOR_ENDPOINT"] = "http://localhost:6006"

# Configure the Phoenix tracer
tracer_provider = register(
    project_name="agno-stock-price-agent",  # Default is 'default'
    auto_instrument=True,  # Automatically use the installed OpenInference instrumentation
)


# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------
agent = Agent(
    name="Stock Price Agent",
    model=OpenAIChat(id="gpt-5.2"),
    tools=[YFinanceTools()],
    instructions="You are a stock price agent. Answer questions in the style of a stock analyst.",
    debug_mode=True,
)


# ---------------------------------------------------------------------------
# Run Example
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    agent.print_response("What is the current price of Tesla?")

Run the Example

1. Set up your virtual environment

   Mac

   uv venv --python 3.12
   source .venv/bin/activate
   

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Install dependencies

   uv pip install -U agno arize-phoenix openai openinference-instrumentation-agno yfinance
   
3. Export your OpenAI API key

   Mac/Linux

   export OPENAI_API_KEY="your_openai_api_key_here"
   

   $Env:OPENAI_API_KEY="your_openai_api_key_here"
   
4. Start Phoenix

   Start the local Phoenix receiver on port 6006:

   python -m phoenix.server.main serve
   
5. Run the example

   Save the code above as arize_phoenix_via_openinference_local.py, then run:

   python arize_phoenix_via_openinference_local.py
   

Full source: cookbook/observability/arize_phoenix_via_openinference_local.py