Skills

Skill: Firebase Security Rules Auditor

by Firebase

Firebase's official red-team skill for auditing Firestore and Cloud Storage security rules — hunting privilege escalation, create/update bypasses and resource-exhaustion holes.

Skill: Apollo Connectors

by Apollo GraphQL

Apollo's official skill for wrapping REST APIs into a GraphQL supergraph with @source and @connect directives — no resolvers, with compose, run and test steps enforced.

Skill: Humanizer

by blader

Editing skill that strips the tells of AI-generated prose — filler transitions, hedging, inflated vocabulary and rhetorical padding — while preserving the author's meaning.

Skill: Planning with Files

by OthmanAdi

File-based planning for long-running agent tasks — crash-proof markdown plans that survive /clear and compaction, with per-turn re-injection and a deterministic completion gate.

Skill: Draw.io Diagrams

by Agents365-ai

Generates .drawio XML from natural language — UML, ERD, BPMN, SysML, network and cloud topology — and exports PNG, SVG, PDF or JPG through the native draw.io desktop CLI.

Skill: Archify Architecture Diagrams

by tt-a1i

Turns plain-language requirements or pasted Mermaid into validated architecture, workflow, sequence, data-flow and lifecycle diagrams as self-contained interactive HTML.

Skill: .NET Performance Analysis

by Microsoft

The .NET team's official skill for scanning C# against ~50 performance anti-patterns across async, memory, strings, collections, LINQ, regex and I/O.

Skill: Android R8 Keep-Rule Analyzer

by Google

Google's official Android skill for auditing R8 and ProGuard keep rules — finds redundant and overly broad rules that quietly inflate APK size.

Skill: Remotion Video Creation

by Remotion

Remotion's official skill for scaffolding a programmatic video project in React and iterating on it in the Studio preview instead of re-rendering.

Skill: GSAP Core

by GreenSock

GreenSock's official skill for the GSAP core engine — tweens, eases, staggers, defaults and responsive/reduced-motion animation via matchMedia.

Skill: OpenSEO Keyword Research

by Every App, Inc.

Turns seed topics into a prioritised keyword set using live OpenSEO MCP data — volume, difficulty and SERP evidence instead of an agent guessing at search demand.

Skill: Microsoft Entra Agent ID

by Microsoft

Microsoft's official skill for giving AI agents real OAuth2 identities in Entra — blueprints, agent identities, sponsors, workload identity federation and the auth sidecar.

Skill: Gemini API in Agent Platform

by Google Cloud

Google's official skill for calling Gemini on Agent Platform (formerly Vertex AI) with the Gen AI SDK — Python, JS/TS, Go, Java and C#, plus tools, multimodal input and the Live API.

Skill: Authenticating to Google Cloud

by Google Cloud

Google's official skill for getting Google Cloud authentication right — human identities, service accounts, Application Default Credentials, and the failure modes agents usually hit.

Skill: PostHog Debugger

by PostHog

PostHog's official skill for auditing a live analytics implementation — scripts, network calls, and window state — read-only, via browser automation.

Skill: cuOpt Numerical Optimization Formulation

by NVIDIA

NVIDIA-verified skill that takes an agent from a problem described in prose to a correct LP, MILP, or QP formulation — concepts, not API calls.

Skill: Expo Router Navigation

by Expo

Official Expo skill for Expo Router: file-based routes, native stacks, NativeTabs, modals and form sheets, headers, toolbars, and search bars.

Skill: PromQL Query Patterns

by Grafana Labs

Grafana's official PromQL skill: write, validate, and optimise Prometheus queries, and hunt down the label that blew up your cardinality.

Skill: GitHub Actions Security Review

by Sentry

Audit GitHub Actions workflows for the exploitation patterns that leak secrets or allow code execution from a fork.

Skill: Code Simplifier

by Sentry

Clean up code for clarity, consistency, and maintainability without changing what it does.

Skill: AGENTS.md Authoring

by Sentry

Write and maintain concise AGENTS.md and CLAUDE.md files that document the conventions an agent actually needs.

Skill: Find Bugs in Branch Changes

by Sentry

Audit the changes on your current branch for bugs, security vulnerabilities, and quality problems before you push.

Skill: Engineering Code Review

by Sentry

Review pull requests against a real engineering practice — security, performance, testing, and design, in that order.

Skill: Deno Sandbox

by Deno

Run untrusted or model-generated code in an isolated environment using the @deno/sandbox SDK.

Skill: Deno Frontend with Fresh

by Deno

Build web UIs with Fresh and Preact on Deno — routes, handlers, islands, and Tailwind, using the current framework API.

Skill: Deno Deploy

by Deno

Deploy Deno applications to production on Deno Deploy — CLI workflows, environment config, KV, and custom domains.

Skill: Local Model Selection

by Hugging Face

Choose and run the right local model with llama.cpp and GGUF — quantisation, hardware fit, and local serving.

Skill: LLM Fine-Tuning with TRL

by Hugging Face

Fine-tune language and vision models with TRL or Unsloth — supervised, preference, and reinforcement training methods.

Skill: Transformers.js

by Hugging Face

Run machine learning models directly in the browser or Node with Transformers.js — no inference server required.

Skill: Hugging Face Spaces

by Hugging Face

Deploy and maintain applications on Hugging Face Spaces — SDK choice, GPU hardware, model loading, and debugging.

Skill: Hugging Face CLI

by Hugging Face

Hugging Face's official CLI skill — download, upload, and manage models, datasets, Spaces, and Jobs from the terminal.

Skill: Web Performance Auditing

by Cloudflare

Audit Core Web Vitals with real measurements via Chrome DevTools — then fix what the numbers actually point to.

Skill: Cloudflare Sandbox SDK

by Cloudflare

Build secure code-execution features on Cloudflare — sandboxes for AI-generated code, interpreters, and CI systems.

Skill: Wrangler CLI

by Cloudflare

Cloudflare's CLI reference skill — correct Wrangler commands for deploying and managing Workers and every binding.

Skill: Cloudflare Durable Objects

by Cloudflare

Create and review Cloudflare Durable Objects — single-instance coordination with SQLite storage, alarms, and WebSockets.

Skill: Cloudflare Agents SDK

by Cloudflare

Build stateful AI agents on Cloudflare Workers — durable state, scheduling, RPC, WebSockets, and MCP servers.

Skill: Writing Skills

by Jesse Vincent

Create, edit, and verify agent skills — including how to write a description that actually triggers at the right moment.

Skill: Dispatching Parallel Agents

by Jesse Vincent

Run two or more genuinely independent tasks concurrently, with the briefing and isolation that makes it safe.

Skill: Using Git Worktrees

by Jesse Vincent

Set up an isolated workspace with git worktrees before starting feature work or executing a plan.

Skill: Subagent-Driven Development

by Jesse Vincent

Execute an implementation plan by dispatching independent tasks to subagents, keeping the main context focused.

Skill: Receiving Code Review

by Jesse Vincent

Respond to code review feedback with technical rigour — verify each point instead of agreeing with everything.

Skill: Requesting Code Review

by Jesse Vincent

Prepare and request a code review that checks the work against its original requirements, not just its syntax.

Skill: Executing Implementation Plans

by Jesse Vincent

Work through a written implementation plan in a fresh session, with review checkpoints between steps.

Skill: Writing Implementation Plans

by Jesse Vincent

Convert a specification into a written implementation plan with discrete, verifiable steps, before touching code.

Skill: UX Writing

by content-designer (Christopher Greer)

Write and audit interface microcopy, from buttons to error messages, against four checkable quality standards.

Skill: GLM-OCR Table Recognition

by Z.ai (Zhipu AI)

Extract complex tables, including merged cells and multi-row headers, from images and PDFs into clean Markdown.

Skill: PaddleOCR Document Parsing

by PaddlePaddle

Turn PDFs and scanned images into structured Markdown/JSON: cell-level tables, LaTeX formulas, correct multi-column order.

Skill: Vercel Optimize

by Vercel

Vercel's official optimization skill: collects real production metrics first, then returns ranked, citation-checked cost and performance fixes.

Skill: Data Visualization

by Anthropic

Anthropic's official data-visualization skill: pick the right chart for the data, then build it with ready-to-run matplotlib, seaborn, and plotly patterns.

Skill: Brand Guidelines

by Anthropic

Apply official brand colors and typography to any artifact that benefits from a consistent, on-brand look and feel.

Skill: Internal Comms

by Anthropic

Write internal company communications in the formats your organization prefers — announcements, updates, and team messages.

Skill: Doc Co-authoring

by Anthropic

A structured workflow for co-authoring documentation, proposals, technical specs, and decision docs — transfer context, iterate, and verify readability.

Skill: Slack GIF Creator

by Anthropic

Create animated GIFs optimized for Slack — with size constraints, validation tools, and animation concepts baked in.

Skill: Theme Factory

by Anthropic

Style any artifact with a cohesive theme — 10 preset color/font themes, or generate a new one on the fly for slides, docs, reports, and pages.

Skill: Algorithmic Art

by Anthropic

Create generative art with p5.js — flow fields, particle systems, and seeded randomness with interactive parameter exploration.

Skill: Canvas Design

by Anthropic

Create beautiful static visual art as PNG and PDF using real design philosophy — posters, artwork, and layouts.

Skill: Frontend Design

by Anthropic

Guidance for distinctive, intentional UI design — aesthetic direction, typography, and choices that avoid looking like templated defaults.

Skill: Web App Testing

by Anthropic

Interact with and test local web applications using Playwright — verify frontend behavior, debug UI, capture screenshots, and read browser logs.

Skill: Web Artifacts Builder

by Anthropic

A suite for building elaborate, multi-component HTML artifacts with modern frontend tooling — React, Tailwind CSS, and shadcn/ui.

Skill: MCP Builder

by Anthropic

Anthropic's guide for building high-quality MCP servers end to end — research, tool design, implementation in TypeScript or Python, testing, and a 10-question evaluation suite.