Code

from agno.agent import Agent
from agno.knowledge.pdf_url import PDFUrlKnowledgeBase
from agno.models.openai import OpenAIChat
from agno.vectordb.pgvector import PgVector, SearchType

db_url = "postgresql+psycopg://ai:ai@localhost:5532/ai"
knowledge_base = PDFUrlKnowledgeBase(
    urls=["https://agno-public.s3.amazonaws.com/recipes/ThaiRecipes.pdf"],
    vector_db=PgVector(
        table_name="recipes", db_url=db_url, search_type=SearchType.hybrid
    ),
)
# Load the knowledge base: Comment out after first run
knowledge_base.load(recreate=False)

agent = Agent(
    model=OpenAIChat(id="gpt-4o"),
    knowledge=knowledge_base,
    search_knowledge=True,
    read_chat_history=True,
    show_tool_calls=True,
    markdown=True,
)
agent.print_response(
    "How do I make chicken and galangal in coconut milk soup", stream=True
)
agent.print_response("What was my last question?", stream=True)

Usage

1

Create a virtual environment

Open the Terminal and create a python virtual environment.

2

Set your API key

export OPENAI_API_KEY=xxx
3

Install libraries

pip install -U pgvector pypdf "psycopg[binary]" sqlalchemy openai agno
4

Run PgVector

./cookbook/scripts/run_pgvector.sh
5

Run Agent