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Claude Code Skill Authoring plugins and skills

Flowy lists 9 plugins in the Skill Authoring category for Claude Code. authoring or organising skills, prompts and agent workflows Every listing shows what is inside before you install, who built it, and whether it is Auto-invoked, meaning a FLOW.md router fires the right skill as you prompt instead of leaving them dormant.

multica-ai-andrej-karpathy-skills
Plugin

multica-ai-andrej-karp…

Check out my new project Multica — an open-source platform for running and managing coding agents with reusable skills. Follow me on X: A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

1 skill
@multica-ai@multica-aiView Plugin
gstack
Plugin

gstack

"I don't think I've typed like a line of code probably since December, basically, which is an extremely large change." — Andrej Karpathy, No Priors podcast, March 2026 When I heard Karpathy say this, I wanted to find out how.

4 skills
@garrytan@garrytanView Plugin
book-to-skill
Plugin

book-to-skill

Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

1 skill
@virgiliojr94@virgiliojr94View Plugin
distilly
Plugin

distilly

Formerly: Colleague Skill / colleague-skill.

1 skill
@titanwings@titanwingsView Plugin
useful-ai-prompts
Plugin

useful-ai-prompts

488 production-ready AI prompts, all following a standardized template with validated quality gates. Transform ChatGPT, Claude, and other AI assistants into expert consultants.

200 skills
@aj-geddes@aj-geddesView Plugin
skill-generator
Plugin

skill-generator

Bộ công cụ tạo AI Skill từ ý tưởng — Dành cho Antigravity, Claude Code, Cursor, Windsurf. Đánh giá 100/100 S-tier.

pskoett-ai-skills
Plugin

pskoett-ai-skills

A collection of skills for AI agents. Follows the Agent Skills specification and ships an Agent Plugins 1.0 portable package. This repository is my personal skill testing ground.

19 skills
@pskoett@pskoettView Plugin
jamesrochabrun-skills
Plugin

jamesrochabrun-skills

A comprehensive plugin and marketplace for Claude Code containing 24 custom skills across engineering, Apple development, product management, design, content, trading, database, QA, educational, and AI architecture domains.

24 skills
@jamesrochabrun@jamesrochabrunView Plugin
matlab-agent-skills-playground
Plugin

matlab-agent-skills-pl…

A sandbox for prototyping and demonstrating Agent Skills for MATLAB and Simulink work. Skills here are experimental. They may be incomplete, change without notice, or migrate to an official toolkit over time.

28 skills
@matlab@matlabView Plugin

FAQ

What are the best Claude Code Skill Authoring plugins?
Flowy lists 9 plugins for Skill Authoring, ranked by fit and signal rather than raw install count. Open any listing to read every skill in full before you install it.
Do these Skill Authoring skills run automatically?
The Auto-invoked ones do. They ship a FLOW.md router and a hook, so Claude Code loads the matching skill as you prompt. Indexed listings install normally and you invoke them yourself.
How does Flowy decide a plugin is a Skill Authoring plugin?
The tag is derived from the plugin's own content, its skill names, descriptions, README and file types, not from a tag someone typed. A plugin appears here only when its real content matches.
Are these Skill Authoring plugins free?
Yes. Flowy is free and open source with nothing gated. You can read every skill before installing, and each listing links to its upstream repository and its creator.

Browse every plugin