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Quality assurance — test strategy, automation frameworks, coverage analysis
338 production-ready Claude Code skills, plugins, and agent skills for 13 AI coding tools.
The most comprehensive open-source library of Claude Code skills and agent plugins — also works with OpenAI Codex, Gemini CLI, Cursor, and 9 more coding agents. Reusable expertise packages covering engineering, DevOps, marketing (incl. AEO — Answer Engine Optimization for LLM citation), security (PreToolUse hooks), compliance, C-level advisory (incl. founder-mode CFO/CMO/CRO/CPO/COO/CHRO/CISO/GC/CDO/CAIO/CCO/VPE personas + 21 /cs:* slash commands), productivity (capture/email/reflect), an academic research stack (litreview/grants/dossier/patent/syllabus/pulse/notebooklm + hybrid router), and enterprise Research Operations (clinical-research/research-finance/market-research/product-research, v2.9.0).
Works with: Claude Code · OpenAI Codex · Gemini CLI · OpenClaw · Hermes Agent1 · Mistral Vibe2 · Cursor · Aider · Windsurf · Kilo Code · OpenCode · Augment · Antigravity
5,200+ GitHub stars — the most comprehensive open-source Claude Code skills & agent plugins library.
Claude Code skills (also called agent skills or coding agent plugins) are modular instruction packages that give AI coding agents domain expertise they don't have out of the box. Each skill includes:
One repo, thirteen platforms. Works natively as Claude Code plugins, Codex agent skills, Gemini CLI skills, Hermes Agent skills, Mistral Vibe skills, and converts to more tools via scripts/convert.sh. All 533 Python tools run anywhere Python runs.
| Skills | Agents | Personas | |
|---|---|---|---|
| Purpose | How to execute a task | What task to do | Who is thinking |
| Scope | Single domain | Single domain | Cross-domain |
| Voice | Neutral | Professional | Personality-driven |
| Example | "Follow these steps for SEO" | "Run a security audit" | "Think like a startup CTO" |
All three work together. See Orchestration for how to combine them.
# Clone the repository
git clone https://github.com/alirezarezvani/claude-skills.git
cd claude-skills
# Run the setup script
./scripts/gemini-install.sh
# Start using skills
> activate_skill(name="senior-architect")
# Add the marketplace
/plugin marketplace add alirezarezvani/claude-skills
# Install by domain
/plugin install engineering-skills@claude-code-skills # 24 core engineering
/plugin install engineering-advanced-skills@claude-code-skills # 25 POWERFUL-tier
/plugin install product-skills@claude-code-skills # 12 product skills
/plugin install marketing-skills@claude-code-skills # 43 marketing skills
/plugin install ra-qm-skills@claude-code-skills # 12 regulatory/quality
/plugin install pm-skills@claude-code-skills # 6 project management
/plugin install c-level-skills@claude-code-skills # 28 C-level advisory (full C-suite)
/plugin install business-growth-skills@claude-code-skills # 4 business & growth
/plugin install finance-skills@claude-code-skills # 2 finance (analyst + SaaS metrics)
# Or install individual skills
/plugin install skill-security-auditor@claude-code-skills # Security scanner
/plugin install playwright-pro@claude-code-skills # Playwright testing toolkit
/plugin install self-improving-agent@claude-code-skills # Auto-memory curation
/plugin install content-creator@claude-code-skills # Single skill
npx agent-skills-cli add alirezarezvani/claude-skills --agent codex
# Or: git clone + ./scripts/codex-install.sh
bash <(curl -s https://raw.githubusercontent.com/alirezarezvani/claude-skills/main/scripts/openclaw-install.sh)
git clone https://github.com/alirezarezvani/claude-skills.git
# Copy any skill folder to ~/.claude/skills/ (Claude Code) or ~/.codex/skills/ (Codex)
Convert all 338 skills to 9 AI coding tools with a single script:
| Tool | Format | Install |
|---|---|---|
| Cursor | .mdc rules | ./scripts/install.sh --tool cursor --target . |
| Aider | CONVENTIONS.md | ./scripts/install.sh --tool aider --target . |
| Kilo Code | .kilocode/rules/ | ./scripts/install.sh --tool kilocode --target . |
| Windsurf | .windsurf/skills/ | ./scripts/install.sh --tool windsurf --target . |
| OpenCode | .opencode/skills/ | ./scripts/install.sh --tool opencode --target . |
| Augment | .augment/rules/ | ./scripts/install.sh --tool augment --target . |
| Antigravity | ~/.gemini/antigravity/skills/ | ./scripts/install.sh --tool antigravity |
| Hermes Agent | ~/.hermes/skills/ | python scripts/sync-hermes-skills.py --verbose |
| Mistral Vibe | ~/.vibe/skills/ | ./scripts/vibe-install.sh |
How it works:
# 1. Convert all skills to all tools (takes ~15 seconds)
./scripts/convert.sh --tool all
# 2. Install into your project (with confirmation)
./scripts/install.sh --tool cursor --target /path/to/project
# Or use --force to skip confirmation:
./scripts/install.sh --tool aider --target . --force
# 3. Verify
find .cursor/rules -name "*.mdc" | wc -l # Should show 338
Each tool gets:
Run ./scripts/convert.sh --tool all to generate tool-specific outputs locally.
338 skills across 16 domains:
| Domain | Skills | Highlights | Details |
|---|---|---|---|
| 🔧 Engineering — Core | 51 | Architecture, frontend, backend, fullstack, QA, DevOps, SecOps, AI/ML, data, Playwright Pro (test gen, flaky fix, migrations), self-improving agent (auto-memory curation), security suite, a11y audit | engineering-team/ |
| ⚡ Engineering — POWERFUL | 78 | Agent designer, RAG architect, database designer, CI/CD builder, security auditor, MCP builder, AgentHub, Helm charts, Terraform, self-eval, llm-wiki, tc-tracker, autoresearch-agent, reliability portfolio (feature-flags-architect, kubernetes-operator, chaos-engineering, slo-architect), ship-gate, security-guidance PreToolUse hook, Matt Pocock skills (write-a-skill, caveman, grill-me, handoff, grill-with-docs) | engineering/ |
| 🎯 Product | 17 | Product manager, agile PO, strategist, UX researcher, UI design, landing pages, SaaS scaffolder, analytics, experiment designer, discovery, roadmap communicator, code-to-prd, apple-hig-expert | product-team/ |
| 📣 Marketing | 46 | 8 pods: Content, SEO + AEO (aeo — E-E-A-T audit, citation tracking across 5 LLMs), CRO, Channels, Growth, Intelligence, Sales + context foundation + orchestration router | marketing-skill/ |
| 🚀 Productivity | 6 | capture (brain-dump-to-action), email pair (inbox-setup + inbox-triage), reflect (journal), handoff (Matt Pocock-inspired), andreessen (market-first decision mode) | productivity/ |
| 🎨 Marketing (top-level) | 1 | landing — single-file HTML landing-page generator (4 design styles, GSAP patterns, brand palette validator) | marketing/ |
| 🔬 Research (academic) | 8 | research orchestrator (hybrid router + fallback) + 7 specialists: pulse, litreview, grants (NIH), dossier, patent, syllabus, notebooklm | research/ |
| 🧪 Research Operations ✨v2.9.0 | 5 | Enterprise/cross-functional research: orchestrator + clinical-research (study design), research-finance (R&D program finance), market-research (sizing/survey/segmentation), product-research (user research) — each with onboarding + customization + opt-in autoresearch bridge | research-ops/ |
| 📋 Project Management | 9 | Senior PM, scrum master, Jira, Confluence, Atlassian admin, templates + bundled Atlassian Remote MCP | project-management/ |
| 🏥 Regulatory & QM | 18 | ISO 13485, MDR 2017/745, FDA, ISO 27001, GDPR, SOC 2, CAPA, risk management | ra-qm-team/ |
| 🛡️ Compliance OS | 9 | Compliance operating system — controls, evidence, audit-readiness workflows | compliance-os/ |
| 💼 C-Level Advisory | 66 | Full C-suite (CEO/CTO/CFO/CMO/CRO/CPO/COO/CHRO/CISO/GC/CDO/CAIO/CCO/VPE) + founder-mode agents + orchestration + board meetings + culture & collaboration | c-level-advisor/ |
| 📈 Business & Growth | 5 | Customer success, sales engineer, revenue ops, contracts & proposals, BizDev toolkit | business-growth/ |
| 🏭 Business Operations | 7 | Orchestrator + process-mapper, vendor-management, capacity-planner, internal-comms, knowledge-ops, procurement-optimizer | business-operations/ |
| 🤝 Commercial | 8 | Orchestrator + pricing-strategist, deal-desk, partnerships-architect, channel-economics, commercial-policy, rfp-responder, commercial-forecaster | commercial/ |
| 💰 Finance | 4 | Financial analyst (DCF, budgeting, forecasting), SaaS metrics coach, business investment advisor | finance/ |
Pre-configured agent identities with curated skill loadouts, workflows, and distinct communication styles. Personas go beyond "use these skills" — they define how an agent thinks, prioritizes, and communicates.
| Persona | Domain | Best For |
|---|---|---|
| Startup CTO | Engineering + Strategy | Architecture decisions, tech stack selection, team building, technical due diligence |
| Growth Marketer | Marketing + Growth | Content-led growth, launch strategy, channel optimization, bootstrapped marketing |
| Solo Founder | Cross-domain | One-person startups, side projects, MVP building, wearing all hats |
Usage:
# Claude Code
cp agents/personas/startup-cto.md ~/.claude/agents/
# Any tool
./scripts/convert.sh --tool cursor # Converts personas too
See agents/personas/ for details. Create your own with TEMPLATE.md.
A lightweight protocol for coordinating personas, skills, and agents on work that crosses domain boundaries. No framework required.
Four patterns:
| Pattern | What | When |
|---|---|---|
| Solo Sprint | Switch personas across project phases | Side projects, MVPs, solo founders |
| Domain Deep-Dive | One persona + multiple stacked skills | Architecture reviews, compliance audits |
| Multi-Agent Handoff | Personas review each other's output | High-stakes decisions, launch readiness |
| Skill Chain | Sequential skills, no persona needed | Content pipelines, repeatable checklists |
Example: 6-week product launch
Week 1-2: startup-cto + aws-solution-architect + senior-frontend → Build
Week 3-4: growth-marketer + launch-strategy + copywriting + seo-audit → Prepare
Week 5-6: solo-founder + email-sequence + analytics-tracking → Ship and iterate
See orchestration/ORCHESTRATION.md for the full protocol and examples.
25 advanced skills with deep, production-grade capabilities:
| Skill | What It Does |
|---|---|
| agent-designer | Multi-agent orchestration, tool schemas, performance evaluation |
| agent-workflow-designer | Sequential, parallel, router, orchestrator, and evaluator patterns |
| rag-architect | RAG pipeline builder, chunking optimizer, retrieval evaluator |
| database-designer | Schema analyzer, ERD generation, index optimizer, migration generator |
| database-schema-designer | Requirements → migrations, types, seed data, RLS policies |
| migration-architect | Migration planner, compatibility checker, rollback generator |
| skill-security-auditor | 🔒 Security gate — scan skills for malicious code before installation |
| ci-cd-pipeline-builder | Analyze stack → generate GitHub Actions / GitLab CI configs |
| mcp-server-builder | Build MCP servers from OpenAPI specs |
| pr-review-expert | Blast radius analysis, security scan, coverage delta |
| api-design-reviewer | REST API linter, breaking change detector, design scorecard |
| api-test-suite-builder | Scan API routes → generate complete test suites |
| dependency-auditor | Multi-language scanner, license compliance, upgrade planner |
| release-manager | Changelog generator, semantic version bumper, readiness checker |
| observability-designer | SLO designer, alert optimizer, dashboard generator |
| performance-profiler | Node/Python/Go profiling, bundle analysis, load testing |
| monorepo-navigator | Turborepo/Nx/pnpm workspace management & impact analysis |
| changelog-generator | Conventional commits → structured changelogs |
| codebase-onboarding | Auto-generate onboarding docs from codebase analysis |
| runbook-generator | Codebase → operational runbooks with commands |
| git-worktree-manager | Parallel dev with port isolation, env sync |
| env-secrets-manager | .env management, leak detection, rotation workflows |
| incident-commander | Incident response playbook, severity classifier, PIR generator |
| tech-debt-tracker | Codebase debt scanner, prioritizer, trend dashboard |
| interview-system-designer | Interview loop designer, question bank, calibrator |
New in v2.0.0 — audit any skill for security risks before installation:
python3 engineering/skill-security-auditor/scripts/skill_security_auditor.py /path/to/skill/
Scans for: command injection, code execution, data exfiltration, prompt injection, dependency supply chain risks, privilege escalation. Returns PASS / WARN / FAIL with remediation guidance.
Zero dependencies. Works anywhere Python runs.
Production-quality upgrades added for:
engineering/git-worktree-manager — worktree lifecycle + cleanup automation scriptsengineering/mcp-server-builder — OpenAPI -> MCP scaffold + manifest validatorengineering/changelog-generator — release note generator + conventional commit linterengineering/ci-cd-pipeline-builder — stack detector + pipeline generatormarketing-skill/prompt-engineer-toolkit — prompt A/B tester + prompt version/diff managerEach now ships with scripts/, extracted references/, and a usage-focused README.md.
Using the senior-architect skill, review our microservices architecture
and identify the top 3 scalability risks.
Using the content-creator skill, write a blog post about AI-augmented
development. Optimize for SEO targeting "Claude Code tutorial".
Using the mdr-745-specialist skill, review our technical documentation
for MDR Annex II compliance gaps.
533 CLI tools ship with the skills (all verified, stdlib-only):
# SaaS health check
python3 finance/saas-metrics-coach/scripts/metrics_calculator.py --mrr 80000 --customers 200 --churned 3 --json
# Brand voice analysis
python3 marketing-skill/content-production/scripts/brand_voice_analyzer.py article.txt
# Tech debt scoring
python3 c-level-advisor/cto-advisor/scripts/tech_debt_analyzer.py /path/to/codebase
# RICE prioritization
python3 product-team/product-manager-toolkit/scripts/rice_prioritizer.py features.csv
# Security audit
python3 engineering/skill-security-auditor/scripts/skill_security_auditor.py /path/to/skill/
# Landing page (TSX + Tailwind)
python3 product-team/landing-page-generator/scripts/landing_page_scaffolder.py config.json --format tsx
| Project | Description |
|---|---|
| Claude Code Skills & Agents Factory | Methodology for building skills at scale |
| Claude Code Tresor | Productivity toolkit with 60+ prompt templates |
| Product Manager Skills | Senior PM agent with 6 knowledge domains, 12 templates, 30+ frameworks — discovery, strategy, delivery, SaaS metrics, career coaching, AI product craft |
| toprank | 9 SEO and Google Ads skills for Claude Code — connects Google Search Console, PageSpeed Insights, and Google Ads API; ships meta tag, schema markup, and keyword bid fixes to source or CMS. MIT, 107 stars |
How do I install Claude Code plugins?
Add the marketplace with /plugin marketplace add alirezarezvani/claude-skills, then install any skill bundle with /plugin install <name>@claude-code-skills.
Do these skills work with OpenAI Codex / Cursor / Windsurf / Aider / Mistral Vibe?
Yes. Skills work natively with 13 tools: Claude Code, OpenAI Codex, Gemini CLI, OpenClaw, Hermes Agent, Mistral Vibe, Cursor, Aider, Windsurf, Kilo Code, OpenCode, Augment, and Antigravity. Hermes Agent and Mistral Vibe both use the same agentskills.io SKILL.md standard — run python scripts/sync-hermes-skills.py or ./scripts/vibe-install.sh to install. For other tools run ./scripts/convert.sh --tool all then ./scripts/install.sh --tool <name>. See Multi-Tool Integrations for details.
Will updating break my installation? No. We follow semantic versioning and maintain backward compatibility within patch releases. Existing script arguments, plugin source paths, and SKILL.md structures are never changed in patch versions. See the CHANGELOG for details on each release.
Are the Python tools dependency-free?
Yes. All 533 Python CLI tools use the standard library only — zero pip installs required. Every script is verified to run with --help.
How do I create my own Claude Code skill?
Each skill is a folder with a SKILL.md (frontmatter + instructions), optional scripts/, references/, and assets/. See the Skills & Agents Factory for a step-by-step guide.
We welcome contributions! See CONTRIBUTING.md for guidelines.
Quick ideas:
MIT — see LICENSE for details.
Built by Alireza Rezvani · Medium · Twitter
Hermes Agent is BYO-sync tier: the repo ships a pre-generated .hermes/skills/claude-skills/ tree, but you run python scripts/sync-hermes-skills.py once locally to install into ~/.hermes/skills/. Uses the same agentskills.io SKILL.md standard — no format conversion. ↩
Mistral Vibe is also BYO-sync tier: the repo ships a pre-generated .vibe/skills/claude-skills/ tree, run ./scripts/vibe-install.sh once locally to install into ~/.vibe/skills/. Same agentskills.io SKILL.md standard — no format conversion. Docs: https://docs.mistral.ai/mistral-vibe/agents-skills. ↩
ML engineering — model training, deployment, MLOps, monitoring
DevOps practices — CI/CD, containers, monitoring, infrastructure automation
Professional skills marketplace with production-ready skills for enhanced development
Self-learning system that captures corrections and syncs them to CLAUDE.md and AGENTS.md
Community Package
@alirezarezvani on GitHub