JSON for Agent

Agno supports using local JSON files as a storage backend for Agents using the JsonDb class.

Usage

json_for_agent.py

"""Run `uv pip install openai` to install dependencies."""

from agno.agent import Agent
from agno.db.json import JsonDb
from agno.models.openai import OpenAIResponses
from agno.tools.hackernews import HackerNewsTools

# Setup the JSON database
db = JsonDb(db_path="tmp/json_db")

agent = Agent(
    model=OpenAIResponses(id="gpt-5.2"),
    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?")

Params

Parameter	Type	Default	Description
id	Optional[str]	-	The ID of the database instance. UUID by default.
db_path	Optional[str]	-	Path to the directory where JSON files will be stored.
session_table	Optional[str]	-	Name of the JSON file to store sessions (without .json extension).
memory_table	Optional[str]	-	Name of the JSON file to store memories.
metrics_table	Optional[str]	-	Name of the JSON file to store metrics.
eval_table	Optional[str]	-	Name of the JSON file to store evaluation runs.
knowledge_table	Optional[str]	-	Name of the JSON file to store knowledge content.
traces_table	Optional[str]	-	Name of the JSON file to store traces.
spans_table	Optional[str]	-	Name of the JSON file to store spans.