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

# Introduction

> One gateway. Hundreds of systems. Thousands of actions. Start your journey with StackOne.

StackOne is an integration gateway for AI agents. It connects your agents to the hundreds of SaaS systems you already access through one gateway, with any framework or protocol.

Copy/paste this prompt into your agent to add context of StackOne:

```text wrap theme={null}
Read https://docs.stackone.com/llms.txt — StackOne's docs index. Use it as context to answer my questions and help me use StackOne.
```

## Where do you want to start?

<CardGroup cols={1}>
  <Card title="Quickstart" icon="bolt" href="/gateway/quickstart">
    I want to connect my AI agent to a system I already use and run my first actions.
  </Card>
</CardGroup>

<CardGroup cols={2}>
  <Card title="Connector Building" icon="hammer" href="/connector-building/first-connector">
    I want to build a connector for a new system, or tailor an existing one.
  </Card>

  <Card title="Administration" icon="shield-halved" href="/secure/overview">
    I want to manage my team's access, limit what agents can touch, and keep an audit trail of every action.
  </Card>

  <Card title="Embed StackOne into your product" icon="window" href="/embed/getting-started">
    I'm building an application and my customers need to connect the tools they already use.
  </Card>

  <Card title="Enhance an agent" icon="robot" href="/embed/call-actions/agent-sdk">
    I'm building an agent and it needs to act on real business systems.
  </Card>
</CardGroup>

## Key capabilities

<CardGroup cols={3}>
  <Card title="Search & Execute" icon="magnifying-glass" href="/optimize/search-and-execute">
    Discover the right action from a large catalog, then run it.
  </Card>

  <Card title="Data Sync" icon="arrows-rotate" href="/optimize/data-sync">
    Keep provider data continuously in sync.
  </Card>

  <Card title="Defender" icon="shield-halved" href="/secure/defender">
    Scan tool-call responses for prompt-injection attacks.
  </Card>

  <Card title="Governance" icon="scale-balanced" href="/secure/overview">
    Roles, SSO, MFA, and audit logs across projects.
  </Card>

  <Card title="Protocols & SDKs" icon="plug" href="/connect/overview">
    Call connector actions over MCP, SDKs, A2A, or HTTP.
  </Card>

  <Card title="Observability" icon="chart-line" href="/secure/observability">
    Audit logs, activity tracking, and data retention.
  </Card>
</CardGroup>