***

title: What is Atoms SDK?
description: Build real-time voice AI agents in Python.
-------------------------------------------------------

The Atoms SDK is the Python framework for building voice agents on the [Smallest AI platform](https://smallest.ai). It handles streaming audio, conversation state, and tool coordination so you can focus on your agent's logic.

***

## Get Started

<CardGroup cols={3}>
  <Card title="Quick Start" icon="bolt" href="/atoms/developer-guide/introduction/quickstart">
    Build your first agent in minutes.
  </Card>

  <Card title="Core Concepts" icon="shapes" href="/atoms/developer-guide/introduction/sdk/nodes">
    Nodes, Sessions, Events.
  </Card>

  <Card title="Examples" icon="book-open" href="/atoms/developer-guide/examples/examples">
    Full code samples.
  </Card>
</CardGroup>

***

## Build

<CardGroup cols={2}>
  <Card title="Agents" icon="robot" href="/atoms/developer-guide/build/agents/overview">
    Voice agent architecture.
  </Card>

  <Card title="Phone Calling" icon="phone" href="/atoms/developer-guide/build/calling/overview">
    Outbound calls.
  </Card>

  <Card title="Call Control" icon="phone-hangup" href="/atoms/developer-guide/build/calling/call-control">
    End calls, transfers.
  </Card>

  <Card title="Analytics" icon="chart-line" href="/atoms/developer-guide/build/analytics/overview">
    Call metrics.
  </Card>
</CardGroup>