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Code

cookbook/models/vllm/memory.py
from agno.agent import Agent
from agno.memory.v2.db.postgres import PostgresMemoryDb
from agno.memory.v2.memory import Memory
from agno.models.vllm import vLLM
from agno.storage.postgres import PostgresStorage

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

agent = Agent(
    model=vLLM(id="microsoft/Phi-3-mini-128k-instruct"),
    memory=Memory(
        db=PostgresMemoryDb(table_name="agent_memory", db_url=DB_URL),
    ),
    enable_user_memories=True,
    enable_session_summaries=True,
    storage=PostgresStorage(
        table_name="personalized_agent_sessions",
        db_url=DB_URL,
    ),
)

# Share personal details; the agent should remember them.
agent.print_response("My name is John Billings.", stream=True)
print("Current memories →")
pprint(agent.memory.memories)
print("Current summary →")
pprint(agent.memory.summaries)

agent.print_response("I live in NYC.", stream=True)
print("Memories →")
pprint(agent.memory.memories)
print("Summary →")
pprint(agent.memory.summaries)

agent.print_response("I'm going to a concert tomorrow.", stream=True)
print("Memories →")
pprint(agent.memory.memories)
print("Summary →")
pprint(agent.memory.summaries)

# Ask the agent to recall
agent.print_response(
    "What have we been talking about, do you know my name?", stream=True
)
Ensure Postgres database is running.

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Usage

1

Create a virtual environment

Open the Terminal and create a python virtual environment.
python3 -m venv .venv
source .venv/bin/activate
2

Start Postgres database

./cookbook/scripts/run_pgvector.sh
3

Install Libraries

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

Start vLLM server

vllm serve microsoft/Phi-3-mini-128k-instruct \
    --dtype float32 \
    --enable-auto-tool-choice \
    --tool-call-parser pythonic
5

Run Agent

python cookbook/models/vllm/memory.py