Best mu- plugins for WordPress
The most popular mu- plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. MU Plugins Tool leads with 20+ active installs, ahead of DisableMU (10+) and MustUse Manager (Lite) (fewer than 10). All 5 plugins tagged “mu-plugins” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 5 mu- plugins
- 1.MU Plugins Tool
The most installed mu- plugin, with 20+ active installs. Only 1 review so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.
- 2.
DisableMU10+ active installs. Only 1 review so far, last updated 10 years ago. Tested only up to WordPress 4.4.34.
- 3.
MustUse Manager (Lite)Fewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.7.11.
- 4.
CC-MU-Plugins-LoaderFewer than 10 active installs. No reviews yet, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 5.
CC-Auto-Activate-PluginsFewer than 10 active installs. Only 1 review so far, last updated 7 years ago. Tested only up to WordPress 5.1.28.
All 5 plugins tagged “mu-plugins”
MU Plugins Tool
Down in the last 7 days:111#25,881by AK Ted13 years ago
MU Plugins Tool allows you to activate or deactivate any MU (must-use) plugins that are installed - on an individual basis or all at once.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day

DisableMU
#44,233by Dave McHale10 years ago
Redefines the location of the /mu-plugins directory to ensure that no code published to the default location will automatically run on your website.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day

MustUse Manager (Lite)
#63,894by Salvatore Noschese2 years ago
Must-use Manager (Lite) lets you: Download, Activate, Deactivate or Delete mu-plugins from the WordPress backend.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

CC-MU-Plugins-Loader
Down in the last 7 days:16,779#68,368by Clearcode8 years ago
This plugin automatically loads Must Use Plugins from WPMU_PLUGIN_DIR subdirectories.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

CC-Auto-Activate-Plugins
Down in the last 7 days:22,830#72,088by Clearcode7 years ago
This plugin automatically activate all Plugins from WP_PLUGIN_DIR.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day