“debugging”

Stores the User Agent with a URL Metric in the Optimization Detective plugin. This is useful for debugging URL Metrics, in particular to understand what device has a given viewport dimensions.

A WordPress plugin for the HELO email debugging and testing app

Exports UI-based WooCommerce shipping settings and scans theme files for custom shipping and payment rules via AST.

Logs endpoints calls

The Ultimate All-in-One Development & Debugging Suite for WordPress Theme and Plugin Developers.

Lightweight WordPress plugin that logs all outgoing emails, tracks delivery status, and includes a built-in test email tool.

A companion plugin for WooCommerce Smart Coupons to debug coupon application and hook/filter processing.

WordPress Upload Permissions

This Wordpress plugin adds a REST API endpoint that returns the Site Health data as JSON.

A simple plugin to show you exactly what actions are being called when you run WordPress.

Wordpress Kint - Kint development output of posts

A lightweight, production-focused WordPress plugin for configuring SMTP email delivery, with debugging tools, logs, and failed-email retries.

Allows you to display code from your theme or plugin onto a WP page

View, manage, and debug WordPress cron jobs. See all scheduled events, run them manually, and track execution history.

Which Server Plugin for WordPress, for developers, let's you know which server (IP) you're working on.

A WordPress plugin to display the JSON representation of all blocks on the current page within the Gutenberg editor for debugging and analysis.

Intercepts outgoing emails in WP and logs them.

A lightweight WordPress plugin that lets you log variation order items in the debug.log file for debugging purposes.

Custom WP-CLI commands to manage WordPress debugging

General Wordpress Logging Facility

Extension to Ultimate Member for logging of UM and WP Errors and Redirects.

WordPress plugin designed to provide debug logging support -- Plugin is primarily intended for debugging and development purposes.

Extension to Ultimate Member for logging of the usage of the UM fetch user function when sending notification emails.

Reveal and inspect all hidden post meta and custom fields for any post type in a handy metabox.

A minimal WordPress plugin that forwards PHP errors to an external tracker—named after Charon, the mythological ferryman who carries souls (errors) to Hades (your error collector).

Provides an easy way to get the raw database queries executed by wpdb.

Loads the filp/whoops library when you're developing themes and plugins for WordPress

Helper plugin to debug tracking by logging page impressions.

Slack Error Logger WordPress Plugin