AI agent skill libraries: top picks for 2026

An MCP server that lets AI agents reverse engineer native binaries, JavaScript/Electron apps, .NET assemblies, websites and more, with evidence for each finding.

A software development methodology and composable skills library that guides coding agents through brainstorming, planning, TDD, and subagent-driven implementation.

A collection of reusable agent skills for AI coding assistants like Claude Code and Codex, focused on alignment, design, TDD and disciplined engineering workflows.

A public collection of Agent Skills: instruction folders with scripts and resources that Claude loads to handle specialized tasks.

A set of 25 production-grade engineering workflow skills that guide AI coding agents through spec, planning, build, test, review, and ship phases.

A local-first, open-source AI design agent workspace where teams create prototypes, websites, decks, images and videos with coding agents.

Agent Skills that make coding agents design distinctive frontends with art direction, real photos and in-browser visual checks instead of generic AI landing pages.

An agent skill that turns ideas, plans, or codebases into interactive HTML diagrams, working with Claude Code, Codex, Cursor, and OpenCode.

A collection of markdown AI agent skills that give Claude Code, Codex, Cursor and other agents marketing expertise in CRO, copywriting, SEO, analytics and growth.

A marketplace of plugins, agents, skills and commands for Claude Code, Codex CLI, Cursor, OpenCode, Copilot and other AI coding tools.

A collection of 69 product management skills and 42 chained workflows for Claude Code and Cowork, covering discovery through growth.

An agent skill and stdlib Python service that strips AI provenance marks and C2PA metadata from text and files you own.

A browser for AI agents where agents run automation in isolated Spaces while you keep browsing your own tabs and logins.

An agent skill that turns the project you just built into a short, shareable launch video with music, motion, and share copy.

A Claude Agent Skill that builds interactive isometric SVG, WebGL and 3D illustrations of machines to explain technical ideas.

A Claude Code and Codex agent skill that builds cinematic product promo videos in Remotion from your own screenshots and copy.

An agent skill that generates, syncs, tests and exports editable draw.io architecture diagrams from prompts, code, IaC, schemas and API specs.

A collection of Agent Skills and plugins that let coding agents work with Google Stitch design projects via the Stitch MCP server.

Open-source CLI and TUI for defining, booting and managing persistent teams of Claude Code and Codex agents in tmux.

An agent skill that teaches AI coding assistants like Claude Code and Codex to write more modern, accessible, and performant SwiftUI code.

An Agent Skill that guides AI agents to generate simple, rounded, cute IP mascot images with a solid background color.

A collection of Claude Code skills from HumanLayer for research, design, implementation, PR review and CLAUDE.md tuning.

A set of Agent Skills that give AI coding agents best-practice guidance for building videos with Remotion in React.

Open-source, local-first desktop AI workbench for reproducible scientific research, with agents, Python/R notebooks, and traceable artifacts.

An agent skill that audits and rewrites text to remove common AI writing patterns, with detect-only, edit-in-place and voice-profile modes.

A skill for coding agents like Claude Code that generates Excalidraw diagrams from natural language descriptions.

A local-first markdown editor with WYSIWYG editing and side-by-side AI agent integration for knowledge bases, LLM wikis, and notes.

An agent skill that lets coding agents turn 35+ art styles and explainer-video grammars into code-drawn animation.

Agent skill files that guide AI assistants in writing prompts for ByteDance's Seedance 2.0 video generation model.

CLI and MCP server that extracts a website's full design system (colors, type, spacing, motion) from the live DOM into tokens and framework-ready files.

Desktop app that records your screen and activity while you do a task, then turns the session into a reusable Copilot skill or scheduled automation.

An open-source AI agent for social media that covers trend discovery, content creation, publishing, and performance analysis across Chinese platforms like Xiaohongshu, Douyin, and Bilibili.

Open-source skill memory layer that turns agent learnings into editable Markdown skill files shared across agents and LLMs.

An agent skill that turns an AI agent's answer to a hard question into one readable, offline HTML page with diagrams instead of a wall of text.

Agent skills that guide coding agents to build self-contained HTML wireframes, interactive prototypes, plans, and diagrams.

A free, community-written guide to Claude Code in three levels, from first session to unattended multi-agent runs, with hands-on exercises.

An agent skill that removes AI-generated tells from writing, repairing narrative structure in fiction and applying venue-specific rules to professional prose.

An Agent Skill that lets coding agents write and run custom Playwright browser automation scripts for tests and multi-step web tasks.

A collection of open-source agent skills that give AI agents finance capabilities: news, stock data, sentiment, forecasting and reports.

A Claude Code skill that directs short films with no video model: 51 film styles, each with a style prompt and a demo film built entirely in code.

An open library of 7,600+ brand SVG logos and cloud icons, available as npm packages, CDN links, a CLI, and an MCP server.

Skill-based recipe kit for generating NSFW and pose-controlled images with Qwen-Image 2.1 in ComfyUI, with a 136-pose 3D mannequin library.

An agent skill that designs AI-generated motion and wires it to scroll, mouse, drag, touch, or device orientation on web pages.

A set of nine agent skills for Codex and Claude Code that guide AI agents in building playable, polished Three.js browser games.

An agent skill that teaches AI coding agents motion design principles for UI animation, independent of any animation library.

A Claude/Codex-style agent skill that turns a topic into a stickman animation storyboard, with video prompts for Google Flow and voice and sound cues.

An Agent Skill and MCP server giving coding agents 42 local FFmpeg tools for cutting, captions, reframing, loudness and platform exports.

A native macOS app for browsing, editing, and organizing AI coding agent skills and agents across Claude Code, Cursor, Codex, Windsurf, and Amp.

A collection of ready-made AI agent skills (SEO/GEO, demand research, logo and banner creation, domain hunting) for solo founders using Claude Code, Cursor, Codex and similar tools.

An interface design skill for AI agents that explores several distinct design directions, compares them side by side, and refines the chosen one against real screenshots.

A catalog of 28 portable Agent Skills that give Claude Code, Copilot, Codex and Cursor structured reasoning procedures for decisions, diagnosis and risk.

Agent skill that turns Claude Code or Codex into a motion-design studio for voiceover-driven explainer videos.

An agent skill distilled from a 1.02-million-character corpus of Chinese official documents, turning writing style into measurable parameters for AI agents.

Open infrastructure for discovering, creating, evaluating, analyzing, and routing reusable AI agent skills, with a Python SDK and CLI.

Desktop app for browsing, installing and managing AI agent skills across 20+ coding agents from one visual interface.

A set of plain-language agent skills for Claude Code, Codex CLI, Cursor CLI and Gemini CLI that turn agent work into reports a non-engineer can act on.

An open-source Chrome/Edge extension that lets AI agents automate your existing browser through MCP, a terminal CLI, and a skill package.

An agent skill of plain Markdown that writes marketing copy such as headlines and microcopy, then removes common AI-generated writing patterns from the result.

Exposes Codex's computer-use runtime to any agent harness, letting it control desktop apps and Chrome without Codex authentication.

Self-hosted gateway that connects phone lines and chat channels to AI agents, using your own API keys.