Summary
Claude Code has introduced mods, small add-ons that work much like browser extensions for the coding agent. This video from Jack Roberts explains what mods are, how to install and build them, and where their current limits lie.
Mods hook into events inside Claude Code and can watch, change, or block them. They can add context, rewrite prompts or tool calls, render new interface elements, trigger shell commands and web calls, and route requests to other models. The video walks through a context-window “weather” forecast, usage and cache trackers, and a next-action suggester, and shows how to generate a mod by pasting a prompt into Claude and opening a new terminal session. Community examples include a playable multiplayer Doom, a custom progress bar, an on-chain transaction status display, and a Modern Warfare 2-style lobby.
The creator also demonstrates dynamic model routing through an agentic operating system called Jev and an OpenRouter key. The idea is to send simple queries to cheaper models such as Haiku instead of using a heavyweight model for everything. Viewers interested in customizing Claude Code, building their own mods, or controlling costs will find a practical starting point here.
📺 Source: Jack Roberts · Published October 02, 2026
🏷️ Format: Tutorial Demo
