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.
Skill Claude CodeCodex ✓ vendor
Creates isolated Linux MicroVMs using Vercel Sandbox SDK. Use when building code execution environments, running untrusted code, spinning up dev servers, testing in isolation, or when the user mentions "sandbox", "microvm", "isolated execution", or "@vercel/sandbox".
Skill Claude CodeCodex
Teaches an LLM agent to scaffold, configure, validate, package, upload, and deploy Apigee X / hybrid API proxies by orchestrating the 18 MCP tools exposed by the apigee-proxy-skill MCP server. The agent never writes XML by hand — tools generate policy XML from 25 Jinja2 templates, validate bundles with defusedxml…
Skill Claude Code
Use when authoring or repairing Kilroy Attractor DOT graphs from requirements, with template-first topology, routing guardrails, and validator-clean output.
Skill Codex
Guided workflow for authorized penetration testing, vulnerability validation, security reporting, CTF/local sandbox reverse engineering, and user-directed vulnerability research. Use when Codex is asked to run or plan a security assessment, triage a target or artifact, maintain pentest state, produce interim/final…
Skill Claude Code
Guide to setting up third-party authentication for a Notion Worker. Covers brokered credentials for external-service API keys / personal access tokens, OAuth, and plaintext environment secrets only when worker code needs the value. Use when the worker needs credentials for a non-Notion API, not for Notion API tokens…
toolsdk-ai/toolsdk-mcp-registry
Skill Codex
Safely review, triage, repair, and merge ToolSDK MCP Registry package JSON pull requests. Use when an agent needs to validate files under packages/, detect duplicate registry keys, classify community PRs, make authorized fixes on contributor branches, close invalid or duplicate PRs, or squash-merge approved PRs.
Skill Claude CodeCodex needs its repo
Go 1.24–1.27 coding guidelines for the dimetron/pi-go AI agent runtime. Use this skill whenever writing, reviewing, or refactoring ANY Go code in pi-go. This covers idiomatic style, error handling, concurrency, project layout, testing (table-driven, fuzz, benchmarks, synctest), new stdlib usage, golangci-lint v2…
moskoo/xxg-portrait-rebuild-light
Skill Codex
Edit an existing JPG, JPEG, PNG, or WebP portrait to rebuild physically coherent light, exposure, color, capture style, clean optical skin, and frame quality without changing the person. Use for plastic-skin or AI-look removal, dirty synthetic texture, banding, edit seams, color drift, multi-round quality loss, tone…
Skill Claude CodeCodex
A Chinese-language version of the SyncNos command-line tool guide for working with the SyncNos browser extension.
GCWing/vibecoding-refactor-skill
Skill Claude CodeCodex
Vibe Coding Engineering Refactoring Methodology. Systematically refactor AI-generated code through architecture-layer and module-layer deep analysis, discovering duplicate implementations, unused resources, inconsistent patterns, and other typical problems. Supports persistent task management for incremental…
Skill Claude CodeCodex
Product Led AI Development — guides founders from idea to launched product. Six capabilities: Idea (discover a product idea), Validate (pressure-test the idea against fatal flaws, problem reality, competition, and 2-week MVP feasibility), Plan (vision intake + document generation), Design (translate image references…
Skill Claude CodeCodex
Xây dựng và duy trì knowledge base cá nhân theo pattern LLM Wiki (Karpathy). Hỗ trợ init, ingest, query, lint, discover, run, digest, pain-rank, setup, book-summary, competitive-brief, interview-prep.
drewocarr/generate-shortcuts-skill
Skill Claude Code
Generate macOS/iOS Shortcuts by creating plist files. Use when asked to create shortcuts, automate workflows, build .shortcut files, or generate Shortcuts plists. Covers 1,155 actions (427 WFActions + 728 AppIntents), variable references, and control flow.
koreainvestment/kis-ai-extensions
Skill Claude CodeCodex
A tool for testing trading strategies against past market data. Backtesting means simulating how a strategy would have performed before using it in live trading.
dean9703111/ai-agent-skill-for-video-workflow
Skill Claude CodeCodex
This skill should be used when the user wants to "create a skill", "add a skill to plugin", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill structure, progressive disclosure, or skill development best practices for Claude Code plugins.
marketcalls/vectorbt-backtesting-skills
Skill Claude Code
VectorBT backtesting expert. Use when user asks to backtest strategies, create entry/exit signals, analyze portfolio performance, optimize parameters, fetch historical data, use VectorBT/vectorbt, compare strategies, position sizing, equity curves, drawdown charts, or trade analysis. Also triggers for openalgo.ta…
Skill Claude CodeCodex
Designs iOS 18+ SwiftUI experiences with real taste — starting from user goals, not pixels. Use this skill whenever the user asks you to build SwiftUI views, screens, or experiences. Trigger when the user says "build a settings screen", "create a detail view", "design this properly", "I want this to feel like a native…
winyunq/UnrealMotionGraphicsMCP
Skill Codex
Use when Codex needs to create, edit, inspect, validate, or demo UE5.8 UMG interfaces through Unreal Motion Graphics MCP/FabUmgMcp, especially target/default workflows, widget tree authoring, HLSL-backed UI materials, Sequencer widget animations, Blueprint event wiring, readback validation, or operation-trace demo…
kangarooking/system-prompt-skills
Skill Claude CodeCodex
A guide for designing systems where several specialised AI agents share work. It covers dividing responsibilities, passing short task summaries, managing task stages, and checking results.
Skill Claude CodeCodex
A tool for creating and editing cover images for Xiaohongshu, also called RedNote, a Chinese social platform. It uses GPT Image 2 or Codex image generation first, with Gemini CLI as a fallback.
Skill Codex
Repair and beautify uploaded photos while preserving the original subject, identity, texture, and important details. Use when the user asks to save a bad photo, make a photo prettier, improve exposure/color/sharpness/noise, shape light and shadow, apply tasteful grading or filters, crop or recompose with…
Skill Claude CodeCodex
Convene a council of AI coding agents before finalizing a plan. The agent you're talking to — whichever CLI is the lead (claude, codex, cursor, gemini, grok, opencode) — drafts a plan, presents it independently to every other agent CLI installed on the machine, each member gives ONE reply per turn, and the lead…
Skill Claude CodeCodex
Request and receive payments. Use this skill when you need to request payment from another party. It will generate a payment link that you can send out. Through the payment link, you can also monitor the status of the payment.
Skill Codex
Use when drafting or revising internal technical design docs, review notes, architecture writeups, or sharing posts in Chinese, especially when the tone should stay evidence-backed, calm, and suitable for peers or leaders rather than marketing or literary writing.
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: