Claude Skills

claude-skills is an open-source library of modular instruction packages, called skills, for AI coding agents. Each skill bundles a SKILL.md file with structured workflows, a Python CLI tool, and reference docs (templates, checklists, domain knowledge) that plug into Claude Code and a dozen other agent tools. It's built for developers, consultants, and small teams who want their coding agent to carry real domain expertise, engineering, marketing, compliance, finance, or C-level advisory, without re-explaining context in every session.

Key features

• Skill library: 362 skills spread across 18 domains, from core engineering and DevOps to regulatory/QM, C-level advisory, and academic research.
• Multi-tool support: native install for Claude Code, OpenAI Codex, and Gemini CLI, plus conversion to Cursor, Aider, Windsurf, Kilo Code, OpenCode, Augment, Antigravity, Hermes Agent, and Mistral Vibe via scripts/convert.sh.
• Zero-dependency tooling: 644 Python CLI scripts, all standard-library only, no pip installs required to run them.
• Reference material: 741 templates, checklists, and reference docs bundled alongside the skills that use them.
• Personas: pre-configured agent identities (Startup CTO, Growth Marketer, Solo Founder) with curated skill loadouts and distinct voices, not just a list of skills to invoke.
• Orchestration protocol: documented patterns (Solo Sprint, Domain Deep-Dive, Multi-Agent Handoff, Skill Chain) for combining personas and skills on work that spans multiple domains.
• Security-aware install: a skill-security-auditor skill and PreToolUse hooks intended to scan skills for malicious code before they're used.
• Marketplace install: Claude Code plugin marketplace support so you can install by domain (engineering, marketing, finance, etc.) or one skill at a time.

Ideal use cases

• A solo developer or consultant who wants a CTO, CFO, or CMO persona to reason through decisions without hiring for that role.
• A small team standardizing how Claude Code or Codex is used across a project, with shared architecture, security, and compliance checklists baked into skills.
• Marketing or content teams running SEO and AEO (answer engine optimization) workflows through the marketing skill pods.
• Regulated teams (medtech, healthcare, SaaS handling compliance) that want ISO 13485, FDA, GDPR, or SOC 2 checklists available inside their agent's workflow.
• Anyone experimenting with multi-agent orchestration patterns across engineering, product, and go-to-market work.

This is probably not the right fit if you need a single narrow skill and don't want to manage a large repo, or if you're looking for a hosted, managed AI product rather than a file-based library you install and maintain yourself. Teams with very simple, single-domain agent needs may find the 362-skill scope more than they need.

Installation

For Claude Code, add the marketplace and install by domain or by individual skill:

/plugin marketplace add alirezarezvani/claude-skills
/plugin install engineering-skills@claude-code-skills
/plugin install marketing-skills@claude-code-skills
/plugin install skill-security-auditor@claude-code-skills

For Gemini CLI:

git clone https://github.com/alirezarezvani/claude-skills.git
cd claude-skills
./scripts/gemini-install.sh

For OpenAI Codex:

npx agent-skills-cli add alirezarezvani/claude-skills --agent codex
# or: git clone + ./scripts/codex-install.sh

For OpenClaw:

bash <(curl -s https://raw.githubusercontent.com/alirezarezvani/claude-skills/main/scripts/openclaw-install.sh)

For other tools (Cursor, Aider, Windsurf, Kilo Code, OpenCode, Augment, Antigravity), convert the skills locally, then install into a project:

git clone https://github.com/alirezarezvani/claude-skills.git
cd claude-skills
./scripts/convert.sh --tool all
./scripts/install.sh --tool cursor --target /path/to/project

Hermes Agent and Mistral Vibe ship pre-generated skill trees and need a one-time local sync:

python scripts/sync-hermes-skills.py --verbose
./scripts/vibe-install.sh

Manual installation works too: clone the repo and copy any skill folder into ~/.claude/skills/ (Claude Code) or ~/.codex/skills/ (Codex).