Research and plan a large-scale change, then execute it in parallel across 5-30 isolated worktree agents that each open a PR. Use when the user wants to make a sweeping, mechanical change across many files (migrations, refactors, bulk renames) that can be decomposed into independent parallel units.

AI image and video generation CLI. Use this skill to install egaki, configure auth, run help commands, and generate images or videos with provider keys or an Egaki subscription.

Go-style error handling for TypeScript. Functions return errors instead of throwing them — but instead of Go's two-value tuple (`val, err`), you return a single `Error | T` union. Instead of checking `err != nil`, you check `instanceof Error`. TypeScript narrows the type automatically. No wrapper

Event-sourced application state pattern for TypeScript apps. Prefer bounded event logs plus pure derivation functions over mirrored mutable lifecycle flags. Use when state transitions are driven by events and bugs can be reproduced from a saved event stream.

Zero-dependency, type-safe CLI framework for TypeScript. A CAC replacement with Standard Schema support.

Control Jitter (jitter.video) for exporting animations, replacing assets, and modifying text programmatically via Playwriter.

Create a new custom skill (SKILL.md) interactively by analyzing the current session's repeatable process. Conducts a multi-round interview to capture the user's workflow, then generates a structured SKILL.md file. Use when the user wants to turn a session into a reusable skill or automation.

Use this skill when scaffolding or fixing npm packages.

Build TUIs with a Raycast-like React API using termcast. Implements @raycast/api components (List, Detail, Form, Action) rendered to the terminal via opentui.