---
title: Daemon
order: 6
description: "The background process a person starts with magus server start. It serves MCP, the console, background jobs and the warm knowledge graph, and adopts nested magus calls into one pool."
tags: [glossary, execution-and-caching]
---

# Daemon

The background process a person starts with `magus server start`. It serves MCP,
the console, background jobs and the warm knowledge graph, and adopts nested
`magus` calls into one pool.

## Example

```sh
magus server start
```

## Used in

<!-- BEGIN GLOSSARY USAGE (generated by glossary-usage-generate from the knowledge graph; edit the generator, not this list) -->

In the docs:

- [Client and daemon](../concepts/compatibility.md#client-and-daemon)
- [Relationship to the broker and the daemon](../concepts/concurrency.md#relationship-to-the-broker-and-the-daemon)
- [Amended 2026-09-02: machine-wide admission is daemon-owned](../guides/integrations/editor/design.md#amended-2026-09-02-machine-wide-admission-is-daemon-owned)
- [MCP over the daemon socket](../guides/integrations/mcp.md#mcp-over-the-daemon-socket)
- [Choosing between the daemon and ad hoc runs](../guides/integrations/server.md#choosing-between-the-daemon-and-ad-hoc-runs)
- [One-shot daemon health probe](../guides/tips.md#one-shot-daemon-health-probe)

<!-- END GLOSSARY USAGE -->

## See also

- [The broker and the daemon](../guides/integrations/server.md)
- [Broker](broker.md)
- [Console](console.md)