​
Code

from agno.agent import AgentKnowledge
from agno.embedder.huggingface import HuggingfaceCustomEmbedder
from agno.vectordb.pgvector import PgVector

embeddings = HuggingfaceCustomEmbedder().get_embedding(
    "The quick brown fox jumps over the lazy dog."
)

# Print the embeddings and their dimensions
print(f"Embeddings: {embeddings[:5]}")
print(f"Dimensions: {len(embeddings)}")

# Example usage:
knowledge_base = AgentKnowledge(
    vector_db=PgVector(
        db_url="postgresql+psycopg://ai:ai@localhost:5532/ai",
        table_name="huggingface_embeddings",
        embedder=HuggingfaceCustomEmbedder(),
    ),
    num_documents=2,
)

​
Usage

1

Create a virtual environment

Open the Terminal and create a python virtual environment.

2

Set your API key

export HUGGINGFACE_API_KEY=xxx
3

Install libraries

pip install -U sqlalchemy 'psycopg[binary]' pgvector huggingface-hub agno
4

Run PgVector

docker run -d \
  -e POSTGRES_DB=ai \
  -e POSTGRES_USER=ai \
  -e POSTGRES_PASSWORD=ai \
  -e PGDATA=/var/lib/postgresql/data/pgdata \
  -v pgvolume:/var/lib/postgresql/data \
  -p 5532:5432 \
  --name pgvector \
  agnohq/pgvector:16
5

Run Agent

Gemini EmbedderMistral Embedder