Skill Claude CodeCodex
Generate comprehensive OpenSpec specifications directly from the current project state. Use when the user wants to create or populate main specs by analyzing existing code, documentation, AGENTS.md, GitHub issues, and pull requests — without going through the change/proposal workflow. Ideal for bootstrapping specs on…
Skill Claude Code
Propose a new OpenSpec change with all artifacts generated in one step. Use when the user wants to quickly describe what they want to build and get a complete proposal with design, specs, and tasks ready for implementation. Also use when the user says "openspec propose" or "opsx propose".
Skill Claude Code
Sync delta specs from an OpenSpec change to main specs. Use when the user wants to update main specs with changes from a delta spec, without archiving the change. Also use when the user says "openspec sync" or "opsx sync".
Skill Claude Code
Update an OpenSpec change by revising its existing planning artifacts and keeping them coherent with one another. Use when the user wants to revise a change's plan, fold new decisions into it, or reconcile its artifacts after an edit. Also use when the user says "openspec update change" or "opsx update". If the user…
Skill Claude Code
Verify implementation matches OpenSpec change artifacts. Use when the user wants to validate that implementation is complete, correct, and coherent before archiving. Also use when the user says "openspec verify" or "opsx verify".
Skill Claude Code
Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and…
Skill Claude Code
Use this skill any time a .pptx file is involved in any way — as input, output, or both. This includes: creating slide decks, pitch decks, or presentations; reading, parsing, or extracting text from any .pptx file (even if the extracted content will be used elsewhere, like in an email or summary); editing, modifying…
Skill Claude Code
Write professional press releases in Traditional Chinese (zh-TW) following inverted pyramid structure, 5W1H framework, and Taiwan media conventions. Use when the user wants to: (1) write a press release or news announcement, (2) draft corporate communications for media dissemination, (3) craft a lede or headline for a…
Skill Claude Code
Guideline for designing, implementing, and verifying secure Python applications following OWASP Top 10 best practices. Use when the user wants to: (1) review Python code for security vulnerabilities, (2) design a secure Python application architecture, (3) implement security features (authentication, authorization…
Skill Claude Code
Rewrite raw meeting audio transcriptions into clean, accurate meeting minutes in Traditional Chinese. Use when the user has an unprocessed audio transcription file with recognition errors and needs it cleaned up into proper meeting minutes.
Skill Claude Code
Rewrite Rust documentation comments to ensure all documentation and comments are in English, following rustdoc guidelines. Use when the user wants to clean up Rust documentation, translate Chinese comments to English, fix missing documentation, or ensure rustdoc compliance in a Rust codebase.
Skill Claude CodeCodex
Invoke a Rubber Duck Reviewer subagent to independently critique plans and implementations before proceeding. Use when the agent is about to implement a non-trivial plan (multi-file changes, architectural decisions, security-sensitive logic, database schema changes), after completing a self-contained unit of work…
Skill Claude CodeCodex
Security audit of a codebase — web apps, APIs, services, CLI tools, libraries, daemons, and more. Use when asked to find security bugs, do a security review, audit for vulnerabilities, or pen-test the code. Focuses on exploitable issues with real impact, not theoretical concerns or industry-standard behavior.
Skill Claude Code
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 your capabilities with specialized knowledge, workflows, or tool integrations.
Skill Claude Code
Guideline for designing, implementing, and verifying secure TypeScript and JavaScript applications following OWASP Top 10 best practices. Use when the user wants to: (1) review TypeScript or JavaScript code for security vulnerabilities, (2) design a secure Node.js, Deno, or browser application architecture, (3)…
Skill Claude Code
UI/UX design agent for crafting user experiences, visual designs, and game interfaces. Auto-detects the designer role (UX Designer, UI Designer, Game UI Designer) and spawns a role-scoped sub-agent with only the relevant reference files. Triggers on phrases like "user flow", "wireframe", "design system", "design…
Skill Claude Code
Update GitHub Actions versions in workflow files, focusing only on major version changes. Use when the user wants to update action versions, check for outdated GitHub Actions, or upgrade workflow dependencies to their latest major versions.
Skill Claude Code
Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or…
Skill Claude CodeCodex
A language-conversion skill that changes Simplified Chinese into Traditional Chinese used in Taiwan. It also adapts vocabulary and phrasing for Taiwan.
Skill Claude CodeCodex
Drive running Unity Editor from shell to verify compiles, playmode, scenes, screenshots. Use when editing C# scripts, scenes, or assets in a Unity project and needing to: (1) check compilation succeeds, (2) read console errors, (3) enter/exit Play mode, (4) capture screenshots or frame recordings, (5) select objects…
Skill Claude CodeCodex
Research-grounded workflow for designing, reviewing, and improving video game user interfaces, including HUDs, menus, navigation, focus states, onboarding/tutorials, objective tracking, input prompts, readability, accessibility, and destructive-action flows. Use when asked how to make good game UI, critique a game UI…
Skill Claude CodeCodex
Write, review, and optionally test Bash and Zsh shell scripts following project coding standards. Use for ANY shell scripting task: (1) creating a new Bash or Zsh script, (2) editing, fixing, or reviewing an existing .sh, .bash, or .zsh file, (3) adding error handling, dependency checks, or cleanup traps to shell…
Skill Claude CodeCodex
Language-agnostic writing style guidelines covering structure, tone, rhetorical constraints, banned phrases, and review checks. Use when writing any kind of content in any language. Including blog posts, notes, technical articles, technical writing, chitchat, social media posts, etc., even when you are just sending a…
Skill Claude Code
Generate fantasy character names in zh-TW with original spelling and etymology, across human, elf, dwarf, orc/beastfolk, and halfling naming traditions. Use when the user needs a name for a character, NPC, party member, villain, shopkeeper, or monster, asks to think of, suggest, or rename such a character, names…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: