Guides

Installing - Recommended and alternative installation mechanisms.
Quick start - Where to begin after you've installed WP-CLI for the first time.
Running commands remotely - Learn how to remotely control multiple servers at once.
Commands cookbook - The full 101 how commands work, writing your own, and sharing them with the world.
Writing Behat Tests - How to write and run Behat tests for WP-CLI commands and packages.
Common issues and their fixes - In case of fire, break glass.
External resources - Blog posts, slides and videos from users.
Force output to a specific locale - Localisation issue
Identify a Plugin or Theme Conflict - Debugging advise
Installing WP-CLI Packages - Learn how to install packages and use version constraints
Sharing WP-CLI Packages - Some words about your environment
HTTP Proxy Configuration - Configure an HTTP proxy for WP-CLI and WordPress core requests.
Troubleshooting Guide - Some help to troubleshoot