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Build an Agent-Friendly CLI Tool in PHP and Run It Anywhere With CPX

Shows how to build a PHP command-line tool that outputs JSON, package it for Composer, and run it from any directory using CPX. Also covers how CPX differs from globally installed Composer tools, including isolated dependencies and automatic updates.

freek.dev07 Nov 2026 · 1 min read · summary
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This tutorial shows how to build a PHP CLI tool that returns JSON, package it for Composer, and run it from anywhere with CPX. It also explains why CPX is a nicer alternative to globally installed Composer tools, thanks to isolated dependencies and automatic updates. Read more

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