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

# Introduction

> Receiptor developer docs for API, capabilities, MCP, and CLI.

## What this documentation covers

These docs describe how Receiptor integrates across:

* External REST API
* Capability discovery and execution
* MCP (Model Context Protocol)
* CLI command workflows
* API key and OAuth2 authentication

<CardGroup cols={2}>
  <Card title="Get API Key" icon="key" href="/api/authentication/api-keys">
    Create an API key from your account settings and understand workspace scoping.
  </Card>

  <Card title="API" icon="globe" href="/api/introduction">
    External host, routes, auth behavior, and request patterns.
  </Card>

  <Card title="Capabilities" icon="bolt" href="/api/capabilities/overview">
    Discover and execute capability endpoints; schemas come from the live backend.
  </Card>

  <Card title="Live Catalog" icon="list" href="/api/capabilities/live-catalog">
    Browse available capabilities from live discovery and API Reference.
  </Card>

  <Card title="MCP" icon="plug" href="/api/mcp/introduction">
    Use the same backend capabilities via MCP tools and OAuth tokens.
  </Card>

  <Card title="CLI" icon="terminal" href="/api/cli/introduction">
    Run capabilities and workspace commands from terminal.
  </Card>

  <Card title="Workspace Context" icon="diagram-project" href="/api/workspaces/context">
    List workspaces and apply the correct org context for non-session interfaces.
  </Card>
</CardGroup>