> ## Documentation Index
> Fetch the complete documentation index at: https://docs.adopt.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Adopt AI Documentation

> Choose the platform you're working with to jump into the right documentation.

<div style={{maxWidth: '1040px', margin: '0 auto', padding: '4rem 1.5rem 3rem'}}>
  <h1 style={{fontSize: '2.4rem', lineHeight: 1.15, fontWeight: 700, margin: '0 0 0.85rem'}}>Welcome to the Adopt AI Docs</h1>

  <p style={{fontSize: '1.1rem', opacity: 0.75, margin: '0 0 2.5rem', maxWidth: '640px'}}>Adopt AI powers two platforms. Pick the one you're working with and jump straight into its documentation.</p>

  <CardGroup cols={2}>
    <Card title="Adopt Legacy Platform" icon="diagram-project" href="/essentials/about-adopt-ai" cta="Explore the platform" arrow>
      The original agentic platform — turn any software application into powerful AI agents. Built around Connectors, Tools, Actions, Agents, Pipelines, and Experiences.
    </Card>

    <Card title="Adopt Harness for Accounting & Tax" icon="file-invoice-dollar" href="/accounting" cta="Explore Accounting & Tax" arrow>
      The verticalized platform for accounting and tax — agents that run close, reconciliation, tax, and advisory workflows, with a professional reviewing every result.
    </Card>
  </CardGroup>

  <Note>
    Not sure which one you're on? If your team logs into the Builder and sees **Connectors, Skills, and Agents**, you're on the Accounting & Tax platform. If you see **Tools, Actions, and Experiences**, you're on the Horizontal platform.
  </Note>
</div>