Skill Claude CodeCodex
Expert knowledge of the Amar RPG campaign world including mythology, the Kingdom of Amar, important personalities, and the 3-tier game system. Activate when the user asks for help creating adventures, generating NPCs, or working with Amar RPG content. Provides structured adventure creation workflow with character…
Skill Claude CodeCodex
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4)…
Skill Claude CodeCodex
Expert knowledge of HyperList format (.hl files) for creating, editing, converting, and generating PDFs from hierarchical lists. Activate when user mentions HyperList, .hl files, hierarchical lists, or needs to work with structured outline formats.
Skill Claude CodeCodex
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
Skill Claude CodeCodex
Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.
Skill Claude CodeCodex
Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks.
Skill Claude CodeCodex
Iterative, self-referential AI development loops. Enables autonomous agents to work on tasks, identify failures, and continuously improve until completion via Stop hook-based feedback loops.
Skill Claude CodeCodex
Expert knowledge of rcurses Ruby TUI library for creating terminal user interfaces. Activate when building Ruby TUI applications, working with terminal panes, handling user input, or debugging rcurses applications. Covers initialization, pane management, text formatting, cursor control, and common pitfalls.
Skill Claude CodeCodex
Expert knowledge of the rsh (Ruby SHell) project - a feature-rich shell written in Ruby. Activate when working on rsh issues, debugging shell behavior, adding features, or releasing new versions. Covers architecture, configuration system, key functions, tab completion, nick/gnick aliases, autocorrect, and the release…
Skill Claude CodeCodex
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
Skill Claude CodeCodex
Create and manage Claude Code skills following Anthropic best practices. Use when creating new skills, modifying skill-rules.json, understanding trigger patterns, working with hooks, debugging skill activation, or implementing progressive disclosure. Covers skill structure, YAML frontmatter, trigger types (keywords…
Skill Claude CodeCodex
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
Skill Claude CodeCodex
Expert knowledge for writing x8664 Linux assembly (NASM syntax) with pure syscalls. Covers CHasm suite (bare shell, show file viewer, glass terminal emulator), critical pitfalls (syscall clobbering rcx, 32-bit zero-extension, callee-saved registers), terminal I/O, mmap, X11 wire protocol, PTY management, syntax…
Skill Claude CodeCodex
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify…
Skill Claude CodeCodex
Expert knowledge of XRPN stack-based programming language, HP-41 FOCAL compatibility, command syntax, testing framework, and HP-41 RAW file format. Activate when working with XRPN code, HP-41 programs, RPN calculations, or when user mentions XRPN, HP-41, FOCAL, or stack-based programming.