Agent with Knowledge Base

Code

cookbook/90_models/cerebras/knowledge.py

from agno.agent import Agent
from agno.knowledge.knowledge import Knowledge
from agno.models.cerebras import Cerebras
from agno.vectordb.pgvector import PgVector

db_url = "postgresql+psycopg://ai:ai@localhost:5532/ai"

knowledge = Knowledge(
    vector_db=PgVector(table_name="recipes", db_url=db_url),
)
# Add content to the knowledge
knowledge.insert(url="https://agno-public.s3.amazonaws.com/recipes/ThaiRecipes.pdf")

agent = Agent(model=Cerebras(id="llama-3.3-70b"), knowledge=knowledge)
agent.print_response("How to make Thai curry?", markdown=True)

Usage

Set up your virtual environment

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

uv venv --python 3.12
.venv\Scripts\activate

Set your API key

export CEREBRAS_API_KEY=xxx
export OPENAI_API_KEY=xxx

Install dependencies

uv pip install -U agno openai sqlalchemy psycopg pgvector pypdf cerebras_cloud_sdk

Start your Postgres server

Ensure your Postgres server is running and accessible at the connection string used in db_url.

Run Agent (first time)

The first run will load and index the PDF. This may take a while.

python cookbook/90_models/cerebras/knowledge.py

python cookbook/90_models/cerebras/knowledge.py

Subsequent Runs

After the first run, comment out or remove the knowledge.insert(...) call to avoid reloading the PDF each time.

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