CLI Tools

Task tracking with the bd (Beads) CLI. Use when creating tasks, claiming work, closing beads, managing dependencies, or when the user mentions "beads", "bd", or "tasks".

Configures Neon Serverless Driver for Next.js, Vercel Edge Functions, AWS Lambda, and other serverless environments. Installs @neondatabase/serverless, sets up environment variables, and creates working API route examples with TypeScript types. Use when users need to connect their application to Neon, fetch or query data from a Neon database, integrate Neon with Next.js or serverless frameworks, or set up database access in edge/serverless environments where traditional PostgreSQL clients don't work.

Set up jj repositories including colocation decisions, integrate with development tools like Vite/Vitest, and choose between jj library and CLI for tooling. Use when setting up new repositories, experiencing tool integration issues, or building jj integrations.

AWS CLI ECS command reference. Use when understanding how users interact with ECS via AWS CLI, including command syntax, options, examples, and output formats. Essential for KECS compatibility.

Generate optimized YouTube video titles that maximize click-through rates by sparking curiosity and complementing thumbnails. This skill should be used when the user asks to create, improve, or brainstorm YouTube video titles, or when working on YouTube content that requires title optimization.

Skill for creating and editing Youtube thumbnails that are optimized for click-through rate. This skill should not be used directly, instead use the Thumbnail Designer subagent who can also invoke this skill. Use when the user asks to create a thumbnail from scratch or edit an existing thumbnail.

Use when configuring Ghostty terminal emulator, working with ghostty config files, or looking up Ghostty settings and options.

Use the Gemini CLI to consult Gemini and delegate coding tasks for prototyping, debugging, and code review. Supports multi-turn sessions via SESSION_ID. Optimized for low-token, file/line-based handoff.

Guidelines for writing robust CLI end-to-end tests using BATS

Core patterns and best practices for AWS SDK for Java 2.x. Use when configuring AWS service clients, setting up authentication, managing credentials, configuring timeouts, HTTP clients, or following AWS SDK best practices.

Prisma ORM patterns including Prisma Client usage, queries, mutations, relations, transactions, and schema management. Use when working with Prisma database operations or schema definitions.

Next.js 15+ App Router development patterns including Server Components, Client Components, data fetching, layouts, and server actions. Use when creating pages, routes, layouts, components, API route handlers, server actions, loading states, error boundaries, or working with Next.js navigation and metadata.

Configures Sanity Visual Editing for your front-end framework. Use when setting up live preview or click-to-edit overlays.

Use when asked to run "fly ssh console", SSH into Fly.io machines, inspect files on production machines, check processes on Fly.io, or examine deployed machine state. Covers critical pitfalls like no shell support and Debian vs macOS command differences.

Test Model Context Protocol (MCP) servers using the MCP Inspector CLI with correct syntax

CODE PHASE (Frontend): Client-side implementation patterns and best practices.Provides component architecture patterns, state management strategies, accessibilityguidelines, performance optimization, and responsive design approaches.Use when: building UI components, managing state, implementing forms, optimizingperformance, ensuring accessibility, creating responsive layouts.

Create world-class, accessible, responsive interfaces with sophisticated interactive elements including chat, terminals, code display, and streaming content. Use when building user interfaces that need professional polish and developer-focused features.

Automatically discover terminal UI skills when working with terminal user interfaces. Activates for tui development tasks.

Python coding standards with automatic version detection. Use when writing, reviewing, or refactoring Python to ensure adherence to LBYL exception handling patterns, modern type syntax (list[str], str | None), pathlib operations, ABC-based interfaces, absolute imports, and explicit error boundaries at CLI level. Also provides production-tested code smell patterns from Dagster Labs for API design, parameter complexity, and code organization. Essential for maintaining erk's dignified Python standards.

This skill should be used when creating a skill for a CLI tool. Use when users ask to document a command-line tool, create CLI guidance, or build a skill for terminal commands. Essential for systematically introspecting CLI tools through help text, man pages, GitHub repos, and online research, then organizing findings into effective skill documentation.