Security-reviewed skills & MCP servers
An agent skill or MCP server can tell your AI agent to run commands, call web services or change files. Before you install one, it helps to know which of those it does. This page lists the 85 entries (77 skills, 8 MCP servers, from 44 authors) that we have read at a fixed commit.
A review here is a static review: we clone the source repository, record the commit, and read the instructions and code for scripts, network calls, file writes, required API keys and anything it installs. We do not run the skill. The tags on each card summarise what we found; for example 38 entries are instructions only, 23 run scripts and 20 need an API key or account. The full findings, with file paths, are on each page. How we review.
Every page also has install steps for Google Antigravity (paste-to-agent or manual) and for the other assistants the source documents. Browse all Antigravity skills, or the Claude Code skills and UI/UX skills collections.
Skills (77)
UI/UX Pro Max
@nextlevelbuilder
Comprehensive UI/UX design intelligence skill for AI coding assistants. Injects structured design tokens, color theory, typography scales, accessibility guidelines, and component patterns into Claude Code, Cursor, and Windsurf.
Clean Code
@sickn33
A one-file Clean Code playbook (Robert C. Martin's rules on naming, functions, comments, errors, tests and classes) that AI coding agents follow when writing, reviewing or refactoring code.
Finance Tools (Financial Analysis)
@anthropics
Anthropic's financial-analysis plugin: 13 skills and 7 slash commands for DCF, comps, LBO and 3-statement models in Excel, spreadsheet audits and pitch-deck checks.
Translation (Azure AI Translator)
@microsoft
Microsoft's official skill that teaches coding agents to translate text with the Azure AI Translator Python SDK: translate, detect language, transliterate and look up dictionary entries.
TMDB Movies
@mvanhorn
pp-movie-goat skill: TMDb movie and TV search with OMDb ratings, where-to-stream checks, filmographies and a local watchlist via a CLI.
tmux
@openclaw
OpenClaw's tmux skill: lets an AI agent list tmux sessions, read pane output, send keys and wait for prompts in interactive CLIs.
Data Visualization
@anthropics
Anthropic's data-visualization skill: pick the right chart and write clean, accessible Python charts with matplotlib, seaborn and plotly.
Vulnerability Scanner
@sickn33
Community skill that teaches an agent to analyse a project for vulnerabilities (OWASP Top 10:2025, supply chain, attack surface, risk ranking) and ships a Python script that scans a folder.
Fitness Coaching
@bodhi584
Instruction-only SKILL.md that plans weekly workouts, applies progressive overload and deloads, reviews training logs, and refers out for medical issues.
Photo Retouching (fal.ai)
@fal-ai-community
fal.ai's official fal-recipes skill: restore and clean up photos (deblur, denoise, dehaze, fix faces, restore scans) through the genmedia CLI.
HubSpot CRM
@hubspot
HubSpot's official skills that teach AI agents to look up, update and report on CRM records with the hubspot agent CLI.
Self-Reflect (claude-reflect)
@BayramAnnakov
claude-reflect: a self-learning skill and plugin that captures your corrections and turns them into CLAUDE.md / AGENTS.md rules after review.
Legal Drafting (Contract Review)
@anthropics
Anthropic's review-contract skill: check a contract against your playbook, flag GREEN/YELLOW/RED clauses and draft ready-to-insert redlines.
Steam Library
@mvanhorn
pp-steam-web skill: audit your Steam library and backlog, compare friends' playtime and find easy achievements via the Steam Web API CLI.
Image Generation (imagegen)
@openai
OpenAI's imagegen skill: generate or edit raster images (photos, mockups, sprites, cutouts) with GPT Image models via a bundled Python CLI.
Personal Assistant (Productivity)
@anthropics
Anthropic's productivity plugin: a TASKS.md task list, two-tier workplace memory and a local dashboard so the agent works like a personal assistant.
Otter Transcription
@erickhchan
otterai-cli skill: lets an AI agent list, search, download and manage your Otter.ai meeting transcripts with the unofficial otter CLI.
Autonomous Agents
@sickn33
Community skill with design patterns for agents that plan and act on their own: ReAct, plan-execute, reflection, guardrails, cost control and durable execution, with a long list of failure modes.
Everything Claude Code (ECC)
@affaan-m
A large open-source toolkit of agent definitions, slash commands, rules, hooks and skills for coding agents. Built for Claude Code; it also has a native Antigravity installer that copies rules, workflows, skills and agents into .agents/.
Graph Databases (Neo4j)
@neo4j-contrib
Neo4j's skill collection for graph databases: Cypher queries, graph modeling, imports, drivers, GraphRAG, vector indexes, GDS and Aura provisioning.
Secrets Management
@sickn33
Community skill with a short procedure for handling CI/CD secrets safely: Vault, cloud secret managers, GitHub Actions, workload identity and rotation.
Container Security (Snyk)
@snyk
Snyk's container-security skill: scan Docker images for OS and app vulnerabilities via the Snyk MCP server and fix Dockerfiles.
DuckDB CLI
@duckdb
Official DuckDB skills: query files and databases with the duckdb CLI, read CSV/Parquet/JSON, search DuckDB docs and install extensions.
Pollinations AI
@pollinations
Official Pollinations skill for the polli CLI: generate images, text, audio, video and 3D, transcribe speech and check your Pollen balance.
Software Architecture
@sickn33
Community skill that gives an agent a simplicity-first method for architecture decisions: ask context questions, pick patterns with decision trees, and record the choice as an ADR.
Vercel Specialist
@sickn33
Community skill with patterns and a list of known pitfalls for deploying Next.js apps to Vercel: environment variables, edge vs serverless, previews, domains and caching.
YouTube Summarizer
@sickn33
Community skill that fetches a YouTube video's caption transcript with the youtube-transcript-api Python library and has the agent write a long, structured summary.
TDD Workflow
@sickn33
Community skill that makes an agent work test-first: one failing behavioural test, minimal code to pass, then refactor, with a separate guide on mock anti-patterns.
mcporter
@openclaw
OpenClaw's one-file mcporter skill: lets an AI agent list, configure, authenticate and call MCP servers from the shell through the mcporter CLI.
Metasploit Framework
@sickn33
Community skill that gives an agent a command reference for the Metasploit penetration-testing framework. It is an offensive-security skill: the upstream file is marked risk: offensive and meant for authorised assessments and lab use only.
Cloudflare Wrangler
@cloudflare
Cloudflare's official wrangler skill: tells an AI agent how to deploy, configure and debug existing Wrangler-based Workers projects using current Cloudflare docs.
GitHub MCP Server
@github
GitHub's own MCP server: lets an agent read repositories and manage issues, pull requests, Actions runs and security alerts through your GitHub account, as a hosted remote server or a local Docker image.
Performance Optimization
@sickn33
Community skill that gives an agent a measure-first workflow for slow apps: baseline, find the bottleneck, fix one anti-pattern, re-measure, and guard with a budget.
Skills Search (find-skills)
@vercel-labs
Vercel's find-skills skill: your AI agent searches the open skills ecosystem with npx skills find, vets results and installs the one you pick.
Playwright CLI
@microsoft
Microsoft's playwright-cli skill: an AI agent drives a real browser with short shell commands to test pages, mock requests and write Playwright tests.
SAG Voice (ElevenLabs TTS)
@openclaw
OpenClaw's sag skill: an AI agent speaks text aloud or saves it as audio through ElevenLabs, using the say-style sag CLI.
Content Strategy
@sickn33
Community skill that gives an agent a framework for content planning: pillars and topic clusters, searchable vs shareable content, keyword research by buyer stage and a weighted scoring sheet for ideas.
Paid Ads Expert
@sickn33
Community skill with a long reference guide for planning and tuning paid campaigns on Google, Meta, LinkedIn, X and TikTok; it is advice text, it does not connect to any ad account.
Smart Home (OpenHue)
@openclaw
OpenClaw's OpenHue skill: lets an agent control Philips Hue lights, rooms and scenes through a Hue Bridge with the openhue CLI.
Agent Browser
@vercel-labs
Vercel Labs' agent-browser skill: a native Rust CLI that lets AI agents drive Chrome via CDP with accessibility snapshots and @eN element refs.
Algorithmic Art
@anthropics
Anthropic's official algorithmic-art skill: a written algorithmic philosophy, then a self-contained p5.js viewer with seeded randomness, parameter sliders and seed navigation.
Banner Design
@nextlevelbuilder
Skill from the UI UX Pro Max repo for designing social, ad, hero and print banners in HTML/CSS with several art directions.
Brand Guidelines
@anthropics
Anthropic's official skill that applies a fixed brand palette and Poppins/Lora typography to slides, docs and other artifacts.
Browser Use
@browser-use
Official Browser Use skill: lets AI agents control your local Chrome (or a Browser Use Cloud browser) over CDP through the browser-use CLI.
Calendar Management
@openclaw
OpenClaw's gog skill: list, create and update Google Calendar events (plus Gmail, Drive, Sheets, Docs) through the gog command-line tool.
Canvas Design
@anthropics
Anthropic's official canvas-design skill: turns a poster or art request into a written design philosophy, then a one-page PNG or PDF, with 29 bundled font families.
Claude Design
@jiji262
Instruction-only skill that makes your agent build HTML design artifacts (landing pages, decks, prototypes, animations) with set design rules and starter files.
ComfyUI
@Comfy-Org
Comfy-Org's official comfy skills: teach your agent to drive ComfyUI (local or Comfy Cloud) through comfy-cli to make images, video, audio and 3D.
Cursor Code Review (Superpowers)
@obra
Superpowers' requesting-code-review skill: the agent sends a git diff to a reviewer subagent and gets Critical/Important/Minor findings and a verdict.
Design System
@nextlevelbuilder
Design token skill from the UI UX Pro Max repo: three-layer tokens, component specs, Tailwind integration and token-based HTML slides.
Email Marketing
@coreyhaines31
Corey Haines' emails skill: plans and writes email sequences, drip campaigns and lifecycle emails with timing, subject lines and copy rules.
Figma Implement Design
@openai
Figma's implement-design skill for Codex: turns Figma frames into production code with 1:1 visual fidelity through the Figma MCP server.
Frontend Design (Anthropic)
@anthropics
Anthropic's official frontend-design skill: guidance for distinctive, intentional UI design, typography and copy that avoids templated AI defaults.
Grant Writing
@K-Dense-AI
K-Dense's research-grants skill: helps researchers plan, check and critique NSF, NIH, DOE, DARPA and Taiwan NSTC proposals against the actual call.
HTML Slides
@nextlevelbuilder
Skill from the UI UX Pro Max repo for strategic HTML presentations with Chart.js, design tokens, layout patterns and copy formulas.
Impeccable
@pbakaus
Paul Bakaus's Impeccable design skill: one /impeccable skill with 24 design commands, live browser iteration and a 59-rule detector for AI-generated frontend patterns.
iOS Simulator
@conorluddy
iOS Simulator skill by Conor Luddy: Python scripts for Xcode builds, accessibility-based simulator navigation and device management.
Mobile UI/UX
@vudovn
Mobile-first design rules for iOS and Android apps (React Native, Flutter, native) from vudovn's AG Kit: touch targets, platform conventions, performance, plus a read-only audit script.
OpenAI Frontend Skill
@openai
OpenAI's frontend-skill for Codex: art-direction rules for landing pages and app UI. Removed from openai/skills in April 2026; still installable from history.
Programmatic SEO
@sickn33
Instruction-only skill for deciding whether to build SEO pages at scale from templates and data, and for designing the page system if the answer is yes. It scores feasibility first and says to stop below 50.
Remotion Best Practices
@remotion-dev
Remotion's official agent skills: a router SKILL.md plus 11 bundled guides for building, previewing and rendering videos in React with Remotion.
Rust Best Practices
@apollographql
Apollo GraphQL's rust-best-practices skill: makes your agent write and review Rust by Apollo's handbook (ownership, errors, Clippy, tests, generics).
Schema Markup
@sickn33
Instruction-only skill for deciding whether structured data is justified on a page and then writing valid JSON-LD for it. It scores eligibility first and tells the agent to stop when markup would be unsupported or misleading.
SEO Audit
@sickn33
Instruction-only skill for diagnosing crawlability, indexation and on-page SEO problems: it asks for scope first, then reports evidence-backed findings with severity and confidence. It does not crawl or connect to any account.
SEO Fundamentals
@sickn33
Short principles guide to how search engines judge pages (E-E-A-T, Core Web Vitals, technical SEO, content, schema, AI-assisted content), plus a small local Python script that flags missing titles, descriptions, Open Graph tags, extra H1s and image alt text in HTML, JSX and TSX files.
shadcn/ui
@shadcn-ui
Official shadcn/ui skill: project-aware rules for adding, searching, composing and styling shadcn components via the shadcn CLI.
Slack
@slackapi
Slack's official skills plugin: Slack MCP server plus skills for messaging, search, Web API, Slack CLI, Block Kit and building Slack apps.
Superdesign
@superdesigndev
Superdesign agent skill: lets a coding agent create UI, slide and graphic drafts on the superdesign.dev canvas through the @superdesign/cli command line tool.
Task Management
@anthropics
Anthropic's task-management skill: the agent keeps your to-dos in a plain TASKS.md file with Active, Waiting On, Someday and Done sections.
Taste
@Leonxlnx
Open-source agent skill (design-taste-frontend) that gives coding agents an art direction, real pictures and a browser check so landing pages look less generic.
Tavily Search
@tavily-ai
Tavily's official tavily-search skill: web search with LLM-optimized snippets, domain filters and time ranges via the tvly CLI.
Technical Writing
@anthropics
Anthropic's doc-coauthoring skill: a three-stage workflow in which the agent interviews you, drafts a spec or design doc section by section, then tests it on a fresh reader.
Theme Factory
@anthropics
Anthropic skill with 10 preset color and font themes for slides, docs, reports and landing pages, plus custom theme generation.
UI Styling
@nextlevelbuilder
Companion skill from the UI UX Pro Max repo for shadcn/ui components, Tailwind CSS styling, dark mode, theming and canvas visuals.
Web Accessibility (a11y)
@addyosmani
Addy Osmani's WCAG 2.2 accessibility skill: audit workflow, code patterns, testing checklist and issues ranked by impact.
Web Artifacts Builder
@anthropics
Anthropic skill that scaffolds a React, TypeScript, Tailwind and shadcn/ui project and bundles it into one self-contained HTML file.
Web Design Guidelines
@vercel-labs
Vercel's review skill: fetches Vercel's Web Interface Guidelines at run time, checks the files you name and lists violations as file:line findings.
MCP servers (8)
Google Veo
@alohc
Unofficial Python MCP server by Andrew Lo (alohc) that lets an AI assistant generate, animate and extend short Google Veo video clips with your Gemini API key and save them as local MP4 files.
Apple Music
@epheterson
Unofficial MCP server by Eric Pheterson that lets AI assistants search Apple Music, edit your library and playlists, and control playback through Music.app, Safari, Chrome or the Apple Music API.
Portainer MCP
@portainer
Portainer's MCP server (now deprecated upstream): lets AI agents inspect environments and manage Docker, Kubernetes and GitOps stacks through the Portainer API.
Filesystem MCP Server
@modelcontextprotocol
Official MCP reference server for reading, writing, editing, moving and searching files inside directories you allow.
DigitalOcean MCP
@digitalocean-labs
DigitalOcean's open-source MCP server: manage Droplets, App Platform, databases, DNS, Kubernetes and more from an AI agent.
SQLite MCP Server
@modelcontextprotocol
Archived MCP reference server for running SQL against a SQLite file, inspecting tables and collecting insights in a memo.
DeepWiki
Cognition (Devin)
DeepWiki MCP server from Cognition (Devin): a free hosted endpoint with three tools to read and ask questions about public GitHub repositories' generated documentation. No install, no API key.
Figma MCP
@figma
Figma's official MCP server: gives AI coding agents design context from Figma frames, variables and Code Connect; remote server can also write to the canvas.