eqtylab

Cupcake Catalog — AI skill for Claude Code

AI community

The official registry of rulebooks for Cupcake, the policy engine for AI coding agents.

How to install Cupcake Catalog

This entry records only its repository, not the path inside it, so there is no exact command to give. Open eqtylab/cupcake-catalog and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Cupcake Catalog does

The official registry of rulebooks for Cupcake, the policy engine for AI coding agents.

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README

Cupcake Catalog

The official registry of rulebooks for [Cupcake](https://github.com/eqtylab/cupcake), the policy engine for AI coding agents.

What is Cupcake Catalog?

Cupcake Catalog is a centralized registry for discovering, sharing, and installing policy rulebooks. Instead of writing Rego policies from scratch, you can install battle-tested rulebooks with a single command.

**Key Benefits:**

For Users: Instantly adopt security policies without Rego expertise
For Organizations: Share rulebooks across teams and projects
For the Community: Contribute and collaborate on open-source policies

Quick Start

Prerequisites

Cupcake v0.5.0 or later
A project with .cupcake/ initialized

Browse Available Rulebooks

# Search all rulebooks
cupcake catalog search

# Filter by harness
cupcake catalog search --harness claude

# Show details of a specific rulebook
cupcake catalog show security-hardened

Install a Rulebook

# Install the latest version
cupcake catalog install security-hardened

# Install a specific version
cupcake catalog install security-hardened@1.0.0

# List installed rulebooks
cupcake catalog list

Upgrade and Manage

# Upgrade a rulebook to latest
cupcake catalog upgrade security-hardened

# Upgrade all installed rulebooks
cupcake catalog upgrade

# Remove a rulebook
cupcake catalog uninstall security-hardened

How It Works

Catalog rulebooks are installed as **overlays** in `.cupcake/catalog/`. They never modify your existing configuration:

.cupcake/
├── rulebook.yml           # Your config (untouched)
├── policies/              # Your policies (untouched)
├── catalog/               # Installed catalog rulebooks
│   └── security-hardened/
│       ├── manifest.yaml
│       ├── rulebook.yml
│       ├── system/
│       │   └── evaluate.rego   # Shared entrypoint
│       ├── helpers/
│       │   └── commands.rego   # Shared helpers