Progressive-disclosure instructions an agent loads on demand. Cheap until invoked, which is why the per-session figure on each card is usually two digits.
truongduy2611/app-store-preflight-skills
Skill Claude CodeCodex
Scan an iOS/macOS Xcode project for common App Store rejection patterns before submission. Use when preparing an app for App Store review, after receiving a rejection from Apple, or when auditing metadata, subscriptions, privacy manifests, entitlements, or design compliance. Integrates with the asc CLI for metadata…
Skill Claude CodeCodex
Build, configure, and debug native Apple extension and target types (widgets, App Clips, share extensions, watchOS apps, Safari extensions, notification extensions, VPN/network extensions, and 40+ more) in an Expo app using the @bacons/apple-targets config plugin. Use when a user wants to add home screen presence…
Skill Claude CodeCodex
Autonomous mobile security audit aligned with OWASP MASTG v2. Performs checklist-driven analysis across MASVS categories: storage, crypto, network, platform, code, resilience, privacy. Exports structured markdown report with MASTG test references.
Skill Claude CodeCodex
Refactor cleanly instead of layering sediment. Use for rename requests, stale or misleading names, legacy leftovers, changed scope, or when a change reveals duplicated concepts, local adapters, obsolete owners, redundant inputs or guards, compatibility wrappers, parallel abstractions, an over-large module that has…
Skill Claude CodeCodex
Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test a plan, get grilled on their design, or mentions "grill me".
Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
nateherkai/hyperframes-student-kit
Skill Claude CodeCodex
Create video compositions, animations, title cards, overlays, captions, voiceovers, audio-reactive visuals, and scene transitions in HyperFrames HTML. Use when asked to build any HTML-based video content, add captions or subtitles synced to audio, generate text-to-speech narration, create audio-reactive animation…
WhiteNightShadow/hello_js_reverse_skill
Skill Claude CodeCodex
A skill for analysing and reproducing web API request signatures for platforms you own or are authorised to use, using Node.js or Python. It also covers browser debugging and protected JavaScript analysis.
Skill Claude Code
Source-first umbrella for FPF-aware reasoning in a Haft project. Use when the operator asks to think through an ambiguous engineering, management, architecture, specification, or project question without naming a narrower Haft capability. Recover the current object and question, query the bundled FPF source, inspect…
Skill Claude Code
Transforms knowledge sources into an Obsidian StudyVault. Two modes: (1) Document Mode — PDF/text/web sources → study notes with practice questions. (2) Codebase Mode — source code project → onboarding vault for new developers. Mode is auto-detected based on project markers in CWD.
Skill Claude CodeCodex
You are a member of a Commonly workspace — a shared space where humans and AI agents from any origin collaborate in pods (chat rooms with memory). Use this whenever you are connected to Commonly via the commonly MCP tools: to read what's happening, post, remember things across sessions, react, DM other agents, and…
Skill Codex
Behavioral guardrails for Codex coding work based on common user complaints. Use when Codex is asked to implement, modify, debug, review, test, or operate on a codebase and should avoid unsafe scope expansion, stale edits, fake completion, brittle edits, shallow debugging, superficial patch-on fixes, one-off…
peterkrueck/Claude-Code-Development-Kit
Skill Claude Code
Review uncommitted code changes using parallel Claude sub-agents (Bug Hunter, Rules Auditor, optional Architect). The invoking agent triages the diff by file path into impacted modules and risk surfaces, then spawns reviewers scaled to the change. Each reviewer self-primes via /prime, verifies any API/library claim…
Skill Claude CodeCodex
Guide for creating effective YOLO skills. Use when users want to create a new skill, update an existing skill, or improve skill quality within their Obsidian vault. Covers skill design principles, anatomy, and the full creation workflow.
victordibia/designing-multiagent-systems
Skill Claude CodeCodex
Review code changes for bugs, security issues, and improvements.
Skill Claude CodeCodex
Guide for setting up thread-safe database connection pooling (FireDAC / UniDAC) in multithreaded Horse applications.
Skill Claude CodeCodex
Records visual proof while testing UI behavior — the agent tests the app hands-on via computer use while a screen recording with structured test/assertion annotations captures the session — then posts the video and a results summary to the requested destination. Use when changed runtime behavior needs observable…
Skill Claude CodeCodex
Reach for the react-call library (createCallable) when building UI that resolves a value back to its caller — confirmations, dialogs, form modals, toasts, notifications, context menus, pickers. Use when a React task involves any such "await the UI" interaction, when code imports createCallable, useMutationFlow…
Skill Claude CodeCodex
This skill helps Claude write secure web applications. Use this when working on any web application or when a user requests a scan or audit to ensure security best practices are followed.
Skill Claude CodeCodex
An audio and video editing toolkit for cutting clips, cropping video frames, joining files, and adding or replacing a video's audio track.
Skill Claude Code
SpecStory Workthreads - a weekly work-thread rollup across a team's repos from SpecStory coding histories (any agent - Claude Code, Codex, Cursor, Gemini, and more). It groups the window's sessions into threads of work per project and labels each new / open / recently closed, so a lead sees what shipped, what is still…
zanllp/infinite-image-browsing
Skill Claude CodeCodex
Interact with IIB (Infinite Image Browsing) service for searching, browsing, tagging, and organizing AI-generated images. Use when the user needs to search images by prompt/keyword, manage image tags, organize files into folders, get image generation parameters, or work with an image library.
Skill Claude CodeCodex
A curl-like CLI tool for making authenticated requests to the X (Twitter) API. Use this skill when you need to post tweets, reply, quote, search, read posts, manage followers, send DMs, send or read end-to-end encrypted XChat messages, upload media, or interact with any X API v2 endpoint. Supports multiple apps, OAuth…
YouMind-OpenLab/ai-image-prompts-skill
Skill Claude CodeCodex
Recommend curated prompts from a 10,000+ real-world image generation prompt library. Works with ANY AI image model — Nano Banana Pro, Nano Banana 2, Seedream 5.0, GPT Image 1.5, Midjourney, DALL-E 3, Flux, Stable Diffusion, and more. Use this skill when users want to: Find proven image generation prompts (any model)…
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: