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WebContextProvider wraps a ContextBackend so the provider interface doesn’t know about the search/fetch implementation. Here we use ExaBackend (Exa’s search + contents API).
web_exa.py
"""
Web Context Provider with Exa
=============================

WebContextProvider wraps a `ContextBackend` so the provider interface
doesn't know about the search/fetch implementation. Here we use
`ExaBackend` (Exa's search + contents API).

Requires:
    OPENAI_API_KEY
    EXA_API_KEY  (https://dashboard.exa.ai/)
"""

from __future__ import annotations

import asyncio

from agno.agent import Agent
from agno.context.web import ExaBackend, WebContextProvider
from agno.models.openai import OpenAIResponses

# ---------------------------------------------------------------------------
# Create the provider
# ---------------------------------------------------------------------------
backend = ExaBackend()  # reads EXA_API_KEY from env
web = WebContextProvider(backend=backend, model=OpenAIResponses(id="gpt-5.4-mini"))

# ---------------------------------------------------------------------------
# Create the Agent
# ---------------------------------------------------------------------------
agent = Agent(
    model=OpenAIResponses(id="gpt-5.4"),
    tools=web.get_tools(),
    instructions=web.instructions() + "\nAlways cite URLs inline.",
    markdown=True,
)


# ---------------------------------------------------------------------------
# Run the Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    print(f"\nweb.status() = {web.status()}\n")
    prompt = "What is the latest stable release of CPython? Cite the source."
    print(f"> {prompt}\n")
    asyncio.run(agent.aprint_response(prompt))

​
Run the Example

1

Set up your virtual environment

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 exa-py openai
3

Export your API keys

export EXA_API_KEY="your_exa_api_key_here"
export OPENAI_API_KEY="your_openai_api_key_here"

$Env:EXA_API_KEY="your_exa_api_key_here"
$Env:OPENAI_API_KEY="your_openai_api_key_here"
4

Run the example

Save the code above as web_exa.py, then run:
python web_exa.py
Full source: cookbook/12_context/01_web_exa.py