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layout default
title Chapter 2: Framework Architecture
nav_order 2
parent Agno Tutorial

Chapter 2: Framework Architecture

Welcome to Chapter 2: Framework Architecture. In this part of Agno Tutorial: Multi-Agent Systems That Learn Over Time, you will build an intuitive mental model first, then move into concrete implementation details and practical production tradeoffs.

Agno combines framework, runtime, and control-plane layers for multi-agent systems.

Architecture Layers

Layer Responsibility
framework agent logic, tools, knowledge, guardrails
runtime execution lifecycle and state handling
control plane monitoring and operational management

Flow Model

flowchart LR
    A[Input] --> B[Agent Reasoning]
    B --> C[Tool or Knowledge Calls]
    C --> D[Memory Updates]
    D --> E[Response and Telemetry]
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Source References

Summary

You now understand how Agno separates application logic from runtime and operations.

Next: Chapter 3: Learning, Memory, and State

Source Code Walkthrough

libs/agno/agno/agent/agent.py and libs/agno/agno/models/

The framework architecture is best understood by examining the Agent class alongside the model abstraction layer in libs/agno/agno/models/. The separation between the Agent orchestration logic and the interchangeable model backends demonstrates the provider-agnostic design described in this chapter. The run and arun methods show the core request/response lifecycle.