# Activity Monitor X

> Activity Monitor X records what each process on your Mac does and keeps the history, so you can see what made your Mac slow, and when.

## Get Started

- [Why Activity Monitor X](https://amx.henry.wang/overview): The problem Activity Monitor X solves, and what it shows.
- [Install](https://amx.henry.wang/install): Install Activity Monitor X and its helper with one line in Terminal, or with Homebrew, and remove it again.
- [How It Works](https://amx.henry.wang/how-it-works): From a sample of each process to a chart in the app.

## Screens

- [Apps and timeline](https://amx.henry.wang/apps): The main screen. A chart of the busiest apps over time, above a table of every app.
- [Inspector](https://amx.henry.wang/inspector): The pane at the right that shows the details of what you select, or a summary when you select nothing.
- [Calendar](https://amx.henry.wang/calendar): The metric for each hour or day as a grid of cells, so you can see when your Mac was busy.
- [Alerts](https://amx.henry.wang/alerts): The alerts that the rules wrote, and how to set the rules.
- [Disk](https://amx.henry.wang/disk): Disk activity over time, the disks and volumes of the Mac, and a map of what uses the space.
- [Energy](https://amx.henry.wang/energy): Live watts from the power adapter and the battery, through the Mac, to the top apps.
- [Hardware](https://amx.henry.wang/hardware): The chip, memory, drives, displays and devices of the Mac, live, with a full inventory.
- [Groups and pinned apps](https://amx.henry.wang/groups): Put the apps that you care about in the sidebar, alone or as a group chosen by rules.
- [Menu bar](https://amx.henry.wang/menu-bar): CPU and memory pressure in the menu bar, and a menu with the top apps and the latest alerts.
- [Settings](https://amx.henry.wang/settings): Every setting of Activity Monitor X, by tab.

## Terminal

- [amx and MCP](https://amx.henry.wang/cli): Read the history from Terminal, from scripts and from AI clients.

## Reference

- [Privacy](https://amx.henry.wang/privacy): What Activity Monitor X records, where it keeps it, and who can read it.
- [Glossary](https://amx.henry.wang/glossary): The words that Activity Monitor X uses, each with one meaning.

## Develop

- [Build from source](https://amx.henry.wang/build): Build Activity Monitor X with the Command Line Tools, run the tests, and run the docs site.
- [Release](https://amx.henry.wang/release): How a release of Activity Monitor X is made and put on Homebrew.

## Agent resources

- [llms-full.txt](https://amx.henry.wang/llms-full.txt): The full Markdown of every page in one file.
- [Page Markdown](https://amx.henry.wang/index.md): Append `.md` to any page URL to fetch that page as raw Markdown.
- [JSON API](https://amx.henry.wang/api/docs/pages.json): Page index of the JSON docs API; each entry links the page's JSON and Markdown forms. Described by the OpenAPI document at https://amx.henry.wang/openapi.json.
- [Agent skills](https://amx.henry.wang/.well-known/agent-skills/index.json): Agent Skills discovery index of the skills this site publishes.
- [API catalog](https://amx.henry.wang/.well-known/api-catalog): RFC 9727 linkset of the APIs documented here.
- [AI catalog](https://amx.henry.wang/.well-known/ai-catalog.json): ARD manifest of the agent-facing resources on this site (MCP server, skills, APIs).
- [agent-readability.json](https://amx.henry.wang/agent-readability.json): Manifest of every agent-facing artifact on this site.
- [Sitemap](https://amx.henry.wang/sitemap.xml): Every indexable page URL with its last-modified date.