Agent with Storage

Code

cookbook/11_models/vllm/db.py

from agno.agent import Agent
from agno.db.postgres import PostgresDb
from agno.models.vllm import VLLM
from agno.tools.hackernews import HackerNewsTools

# Setup the database
db_url = "postgresql+psycopg://ai:ai@localhost:5532/ai"
db = PostgresDb(db_url=db_url)

agent = Agent(
    model=VLLM(id="Qwen/Qwen2.5-7B-Instruct"),
    db=db,
    tools=[HackerNewsTools()],
    add_history_to_context=True,
)

agent.print_response("How many people live in Canada?")
agent.print_response("What is their national anthem called?")

Ensure Postgres database is running.

Usage

1. Set up your virtual environment

   Mac

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

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Install Libraries

   uv pip install -U agno openai vllm sqlalchemy psycopg
   
3. Start Postgres database

   ./cookbook/scripts/run_pgvector.sh
   
4. Start vLLM server

   vllm serve Qwen/Qwen2.5-7B-Instruct \
       --enable-auto-tool-choice \
       --tool-call-parser hermes \
       --dtype float16 \
       --max-model-len 8192 \
       --gpu-memory-utilization 0.9
   
5. Run Agent

   python cookbook/11_models/vllm/db.py