Comprehensive Python library for astronomy and astrophysics. This skill should be used when working with astronomical data including celestial coordinates, physical units, FITS files, cosmological...

Build TypeScript MCP servers with composable code snippets from the official Everything reference server. Use the add script to selectively copy tool, resource, or prompt modules. Use when...

Use when a user wants you to discover and optionally install new agent skills for a task, and you must get explicit consent before any global install into Codex.

Guide for using direnv - a shell extension for loading directory-specific environment variables. Use when setting up project environments, creating .envrc files, configuring per-project...

Build real-time collaborative editing with WebSockets, OT/CRDT conflict resolution, and presence awareness. Implements cursor tracking, optimistic updates, and offline sync. Use for collaborative...

Android Java development with MVVM, ViewBinding, and Espresso testing

Optimize team resource allocation across projects with capacity planning and workload balancing

Expert business planning consultant for creating comprehensive, investor-ready business plans from scratch or refining existing plans. Use when users request help creating a new business plan,...

Optimize job applications by tailoring resumes to job postings, generating customized cover letters, and preparing role-specific interview questions. Analyzes job descriptions to highlight...

Expert senior-level Go guidance for architecture, API-first design/codegen, advanced concurrency, performance tuning, testing/quality, cloud-native 12-factor practices, and Go 1.24+ tooling for...

Complete Claude Code hooks reference - input/output schemas, registration, testing patterns

Complete Claude Code hooks reference - input/output schemas, registration, testing patterns

Best practices for TYPO3 local development with DDEV, including configuration, database management, multi-version testing, and common workflows for v13/v14.

Comprehensive Python library for astronomy and astrophysics. This skill should be used when working with astronomical data including celestial coordinates, physical units, FITS files, cosmological...

Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots,...

Cloudflare Workers, KV, Durable Objects, and edge computing development. Use for serverless APIs, caching, rate limiting, real-time features. Activate on "Workers", "KV", "Durable Objects",...

Expert in residential hollow space detection, hidden room discovery, and safe room planning. Helps map house dimensions, identify anomalies suggesting hidden spaces, and safely explore potential...

Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots,...

Expert guidance for using the Orka3 CLI to manage macOS virtualization infrastructure. Use when users need to work with Orka VMs, images, nodes, or cluster resources through natural language...

Code review expert for security, quality, and performance analysis. Use when reviewing code, PRs, conducting security audits, or identifying performance issues.