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

# Reference

> YAML schemas, REST API endpoints, and MCP tool specs

Reference is the deliberate destination for syntax. You land here when
you already know you need a schema, an endpoint, or a tool spec.

<CardGroup cols={2}>
  <Card title="Global config" href="/docs/guide/reference/yaml/config" icon="file-code" />

  <Card title="REST API" href="/docs/guide/reference/rest-api" icon="terminal" />
</CardGroup>

<Note>
  In Oxygen Cloud, automation flows go through the REST API, and LLM tool
  surfaces go through the MCP server (run with the `oxy mcp` CLI).
</Note>