Best codex plugins for WordPress
The most popular codex plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. WH Tweaks leads with 90+ active installs, ahead of WPadmin.AI (80+) and VideoWhisper Site Manager for ChatGPT, Claude, Codex, Grok (10+). All 9 plugins tagged “codex” 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 8 codex plugins
- 1.
WH TweaksThe most installed codex plugin, with 90+ active installs. Only 1 review so far, updated 10 months ago. Tested only up to WordPress 6.9.11.
- 2.
WPadmin.AI80+ active installs. Only 2 reviews so far, updated 3 months ago.
- 3.
VideoWhisper Site Manager for ChatGPT, Claude, Codex, Grok10+ active installs. No reviews yet, updated 1 day ago.
- 4.
Hierarchical Documentation10+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.2.1.
- 5.
WP Contributions10+ active installs. Only 1 review so far, last updated 2 years ago. Tested only up to WordPress 6.6.11.
- 6.
functionsCapacitor10+ active installs. Only 1 review so far, last updated 12 years ago. Tested only up to WordPress 4.0.0.
- 7.
TechinSol AI Connect for Claude & CodexFewer than 10 active installs. No reviews yet, updated 2 months ago.
- 8.
Sigma MCP ConnectorFewer than 10 active installs. No reviews yet, updated 2 weeks ago.
All 9 plugins tagged “codex”
WH Tweaks
Up in the last 7 days:46#17,227by webheadcoder10 months ago
Common functionality WordPress core should have but maybe shouldn't.
- Installs
- 90+
- Rating
- 5.0(1)
- Downloads
- 5/day
WPadmin.AI
Up in the last 7 days:141#18,073by WPspin LLC3 months ago
WPadmin.AI Assistant for WordPress gives simple answers, troubleshooting steps, plugin suggestions, and upgrade access to WPadmin.AI Premium.
- Installs
- 80+
- Rating
- 5.0(2)
- Downloads
- 22/day
VideoWhisper Site Manager for ChatGPT, Claude, Codex, Grok
Down in the last 7 days:3,275#33,295by videowhisper1 day ago
Manage WordPress with your AI assistant and own account. Optional hosted relay: multiple sites from one connection and agent session.
- Installs
- 10+
- Rating
- –
- Downloads
- 69/day
Hierarchical Documentation
Up in the last 7 days:6,462#40,798by tombenner14 years ago
Lets admins create searchable, hierarchically-organized documentation. Supports Markdown and syntax highlighting for code. Requires WP MVC.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WP Contributions
#43,109by Michael Beckwith2 years ago
Provides an easy way to display your WordPress.org Themes, Plugins, Core tickets, and Codex contributions with handy widgets and template tags.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 2/day
functionsCapacitor
Down in the last 7 days:239#45,955by Olivier D. aka oliezekat12 years ago
This plugin allow to apply some WordPress API's functions into your post/page content or as a widget.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
TechinSol AI Connect for Claude & Codex
#53,675by techinsol2 months ago
Connect Claude and Codex to your WordPress site. Manage posts, pages, media, and users using plain English — no coding required.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Sigma MCP Connector
#56,599by sigmadev18 days ago
Turn WordPress into a secure, role-scoped MCP server so Claude, Codex, VS Code, and Cursor AI can read and edit content via OAuth 2.0.
- Installs
- <10
- Rating
- –
- Downloads
- 9/day