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Skills Catalog — 14 Open-Source AI Agent Skills

Q: How many skills are available?

The repository currently has 9 open-source skills covering areas like business, digital marketing, interface design, DevOps and deployment, frontend development, cloud infrastructure, professional career, and AI agent compatibility. All reviewed following the Anthropic standard.

Q: Are the skills free?

Yes, all 9 skills are completely open-source under the Apache 2.0 license and can be freely used in any commercial or personal project. The repository is community-maintained and accepts contributions via merge requests on GitLab.

TL;DR: The repository has 14 open-source skills under Apache 2.0 license, covering business, marketing, design, DevOps, frontend, cloud, career, automation, privacy, and AI agent compatibility. All reviewed following the Anthropic standard.

Available Skills

Skill	Category	Description
Premium Proposal Builder	Business	Premium proposals, slide decks, and scrollable sites
Startup Idea	Business	Complete startup analysis (Paul Graham + Dan Koe + Seth Godin)
GEO Optimization	Marketing	Optimization for generative engines (LLMs)
Substack Expert	Marketing	Formatting, SEO, and growth on Substack
Pier Cloud API	Cloud/FinOps	Pier Cloud (Lighthouse) API consumption
Ultimate Design System Master	Design	Apple/Vercel/Figma-level design systems
Front-End Checklist	Frontend	Complete checklist before going to production
Website Spec	Frontend	Website audit against 128 topics (HTML, SEO, a11y, security)
Coolify Operator	DevOps	Master operator for the Coolify platform
Resume ATS Beater	Career	Resume rewriting for ATS compatibility
Agent Ready — Cloudflare	AI Agents	Website audit for AI agent compatibility
Auth.md	AI Agents	Open protocol for AI agents to register for services
Ralph Loop for Kiro Specs	Automation	Self-correcting iterative runner for Kiro specs
LGPD Check	Privacy	LGPD compliance audit with score and fixes

Quick Install

# All skills
npx skills add https://gitlab.com/fabriciotelles/skills

# Specific skill
npx skills add https://gitlab.com/fabriciotelles/skills -s <skill-name>

Contributing

To add a new skill to the catalog, check the skill structure and open a merge request on the GitLab repository.

Repository Statistics

14 skills available and documented
100% reviewed following the Anthropic standard for Agent Skills
Apache 2.0 License — free to use in any project
5+ agents compatible: Kiro, Cursor, Windsurf, Claude Code, and others
Created by Fabricio Telles — updated May 2026

According to Anthropic, structured skills improve agent response quality by up to 40% compared to ad-hoc prompts.

Frequently Asked Questions

How many skills are available?

The repository currently has 14 open-source skills covering areas like business, digital marketing, interface design, DevOps and deployment, frontend development, cloud infrastructure, professional career, automation, privacy, and AI agent compatibility. All were reviewed following the Anthropic standard.

Are the skills free?

Yes, all 14 skills are completely open-source under the Apache 2.0 license and can be freely used in any commercial or personal project. The repository is community-maintained and accepts contributions via merge requests on GitLab from any developer worldwide.

How to contribute a new skill?

Check the skill structure reference in the documentation to understand the standard format with SKILL.md, references, and evals directories. Then open a merge request on the GitLab repository at gitlab.com/fabriciotelles/skills with your skill following the Anthropic standard for Agent Skills.