Best skill authoring skills for Claude Code, Codex and other agents.

Create new skills, modify and improve existing skills, and measure skill performance.

Azure/azqr

A guide to creating and managing Claude Code skills with auto-activation: skill-rules.json triggers, hooks, enforcement levels, YAML frontmatter and progressive disclosure.

diet103/claude-code-infrastructure-showcase

Researches a person or theme and distills how they think into a runnable persona skill with mental models, decision rules and a characteristic voice.

alchaincyf/nuwa-skill

Scores SKILL.md files on a nine-dimension rubric, then improves them in a keep-or-revert loop with independent judge agents, test prompts, git history and human checkpoints.

alchaincyf/darwin-skill

Explains how to write Claude Code slash commands: Markdown files with YAML frontmatter, arguments, file references, bash context and interactive prompts.

anthropics/claude-plugins-official

Converts books and documents in PDF, EPUB, DOCX, HTML, Markdown, text, RTF or MOBI form into agent skills built from frameworks, principles, techniques and anti-patterns.

virgiliojr94/book-to-skill

Explains the directory layout, plugin.json manifest and component organization of a Claude Code plugin, including auto-discovery and portable paths.

anthropics/claude-plugins-official

Evaluates an Agent Skill bundle before release for structure, trigger quality, artifact improvement, script correctness, safety, installed-tree integrity and host portability.

rohitg00/ai-engineering-from-scratch

Guides creating, installing and updating agent skills in a workspace: SKILL.md frontmatter, bundled scripts and references, with scripts to scaffold, validate and package.

zhayujie/CowAgent

Create agent skills for Microsoft technologies using official documentation.

MicrosoftDocs/mcp

Builds new skills from scattered docs, specs or code, and refactors existing skills for clear triggers, reliable activation and a quality checklist.

2025Emma/vibe-coding-cn

Guides writing a new agent skill or improving an existing one, covering how to keep it concise, how much freedom to give the agent and how to lay out bundled resources.

shareAI-lab/Kode-CLI

Turns reusable decisions, templates or workflows from the current conversation into a new workspace skill through plan, approval, draft, validation and publication.

agentscope-ai/QwenPaw

Starts three parallel reviewer subagents over the current conversation transcript, then turns their findings into concrete edits to existing skills.

cursor/plugins

Meta-skill that turns docs, APIs, code or specs into a reusable skill with references and a quality gate, and refactors skills that are unclear or misfire.

tradecatlabs/vibe-coding-cn

Distills source material about a colleague, a relationship or a celebrity into reusable Person Profiles that an agent can later work from, in English or Chinese.

titanwings/distilly

Interactive guide for creating, reviewing and fixing agent skills (SKILL.md folders), covering structure, frontmatter rules, trigger phrases and validation before sharing.

XiaomiMiMo/MiMo-Code

Detects the type of a knowledge source and uses the Skill Seekers MCP tools to turn docs, repos, PDFs or videos into packaged AI skills.

yusufkaraaslan/Skill_Seekers

Guidance for creating, updating and reviewing Picoclaw skills, from the SKILL.md structure to organizing bundled scripts, references and assets.

sipeed/picoclaw

Creates, revises, evaluates and publishes skills in the Open-Science app through its native host.skills composer, with optional test prompts and benchmarks.

aipoch/open-science

Guides creating, scaffolding and validating agent skills for the deepagents CLI, covering skill locations, precedence, structure and concise writing.

Illuminated2020/DeepAgents-AutoGLM

Distills a book, video transcript, podcast, course or interview into a set of atomic, executable agent skills through a staged, verified pipeline.

kangarooking/cangjie-skill

Designs a project-specific agent harness: defines specialist agents, writes the skills they follow, picks an execution mode and model for each, and keeps the setup maintained.

revfactory/harness

Evaluates the design quality of an agent skill against official specifications and patterns from existing examples, scoring it and suggesting improvements.

shareAI-lab/Kode-CLI

Authors and structures professional-grade agent skills following the agentskills.io spec.

mgechev/skills-best-practices

Create or improve skills, turn a conversation into reusable SKILL.md instructions, and validate their behavior.

Chevey339/kelivo

「說人話」：繁體中文的去 AI 味改寫 skill。審查與改寫文字，去除 AI 味道、校正中國用語與半形標點，讓文字讀起來像真人寫的。

Raymondhou0917/speak-human-tw

Create or edit a Cindy Skill, search the SkillHub public marketplace or your organization's Skills, upload your own Skill, or publish a new version of a Skill you authored.

makecindy/cindy

Scores a skill across description, content organization, writing style and structure, then produces letter grades and a prioritized improvement plan.

Galaxy-Dawn/claude-scholar

A skill your agent uses when creating, improving, finding, or auditing agent skills - the user says 'create a skill', 'do I have a skill for X', 'improve the X skill', 'which skill should I use'…

tripleyak/SkillForge

Walks through creating a new Claude skill from scratch or improving an existing one, asking what it should do, when it should trigger, and in what format.

pretend1111/claude-desktop-app

Creates a focused workspace skill from the current conversation in QwenPaw, moving through a planning, approval, drafting, validation and publishing script pipeline.

agentscope-ai/QwenPaw

Diagnoses where an agent failed across runs and turns the findings into new skills, system prompt patches and knowledge entries, using the A-Evolve loop.

aiming-lab/AutoResearchClaw

Dynamic academic writing skill generator. An agent skill from WantongC/journal-adapt-writing-skill.

WantongC/journal-adapt-writing-skill

Generates a complete agent skill for a target tool, API, library or workflow through a seven-phase pipeline that ends with testing, tuning and packaging for several platforms.

AgentSkillOS/SkillAnything

Create, synthesize, and iteratively improve agent skills following the Agent Skills specification.

getsentry/warden

Collects feedback on how an agent harness performed, generalizes it, and updates the harness agents, skills and orchestrator along with a change-history table.

revfactory/harness

Facilitates deliberate skill development during AI-assisted coding.

DrCatHicks/learning-opportunities

Explains how to design and write DeepTutor skills: the SKILL.md anatomy, a trigger-focused description, concise content and progressive disclosure into reference files.

HKUDS/DeepTutor

A skill your agent uses when the user wants to create, author, write, or design a new Agent Skill (a SKILL.md) — for OpenKnowledge or for their editors — including requests like 'help me write a…

inkeep/open-knowledge

Turns a problem you keep running into into a single installable, tested skill, and prepares a GitHub repository only when you ask to share it.

dontbesilent2025/dbskill

Guide for creating effective skills. An agent skill from JetBrains/skills.

JetBrains/skills

Guides repo-local skill creation and updates. An agent skill from ccusage/ccusage.

ccusage/ccusage

Create or update skills. An agent skill from HKUDS/OpenOPC.

HKUDS/OpenOPC

Track daily activity logs and summaries for the user. An agent skill from memodb-io/Acontext.

memodb-io/Acontext

Shows how to build a Vibe plugin package in the Agent Plugins 1.0 format, with a plugin.json manifest and optional skills, MCP servers, hooks and other components.

mistralai/mistral-vibe

Create new agent skills following the Agent Skills specification.

deadlock-mod-manager/deadlock-mod-manager

Create new agent skills with proper structure, progressive disclosure, and bundled resources.

sanity-io/sanity