What is pantheon-skills?

Pantheon Skills is a set of add-ons for Claude Code, an AI coding assistant, that help you get more done without burning through your most expensive AI usage. The core idea is that your strongest AI model's time and quota are limited, so you should save it for judgment calls and difficult problems, while routing simpler, repetitive work to a cheaper or different model that handles it just as well. The project ships three separate skills, one built for each type of lead AI model you might be using: Fable, Opus, or Sonnet. Whichever one matches your current session, you turn it on with a short command, and it acts as a checklist the AI runs at the start of a project. That checklist has the AI announce what work it will keep for itself, what it will hand off to a smarter model when a problem turns out to be harder than expected, and what routine work it will send to a separate tool called Codex, which runs on a different company's AI model and billing plan. The reasoning behind this setup is laid out in a table matching each model to its best use: the strongest models handle architecture and hard debugging, a mid-tier model handles everyday building work, and the bulk implementation work goes to Codex so it does not use up your main subscription. A key rule built into the skills is that before anything ships, an independent review has to happen, and the findings from that review are shown to you directly rather than automatically applied, so you always get the final say. Installation is done either by copying the skill files into a folder Claude Code already watches, or by installing it as a plugin through Claude Code's plugin system. There is an optional add-on that connects to the Codex command line tool if you want the bulk-work routing feature, which requires installing and logging into that separate tool. The project is released under the MIT license.