Persistent Session with History Context

Code

persistent_session_history.py

"""
This example shows how to use the session history to store the conversation history.
add_history_to_context flag is used to add the history to the messages.
num_history_runs is used to set the number of history runs to add to the messages.
"""

from agno.agent import Agent
from agno.db.postgres import PostgresDb
from agno.models.openai import OpenAIResponses

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

db = PostgresDb(db_url=db_url, session_table="sessions")

agent = Agent(
    model=OpenAIResponses(id="gpt-5.2"),
    db=db,
    add_history_to_context=True,
    num_history_runs=2,
)

session_id = "space-facts"

agent.print_response(
    "Tell me a new interesting fact about space",
    session_id=session_id,
)
agent.print_response(
    "What fact did you just tell me?",
    session_id=session_id,
)

Usage

Set up your virtual environment

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

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

Install required libraries

uv pip install -U agno openai sqlalchemy "psycopg[binary]"

Set environment variables

export OPENAI_API_KEY=****

Run PgVector

docker run -d \
  -e POSTGRES_DB=ai \
  -e POSTGRES_USER=ai \
  -e POSTGRES_PASSWORD=ai \
  -e PGDATA=/var/lib/postgresql \
  -v pgvolume:/var/lib/postgresql \
  -p 5532:5432 \
  --name pgvector \
  agnohq/pgvector:18

docker run -d `
  -e POSTGRES_DB=ai `
  -e POSTGRES_USER=ai `
  -e POSTGRES_PASSWORD=ai `
  -e PGDATA=/var/lib/postgresql `
  -v pgvolume:/var/lib/postgresql `
  -p 5532:5432 `
  --name pgvector `
  agnohq/pgvector:18

Run the agent

python persistent_session_history.py

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Persistent Session with History Context

Code

Usage

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Code

Usage