42 Agent SkillsFree scan on submit

Security & Testing Agent Skills

Compare the best open-source agent skills for security & testing. Scanners, pentest helpers and test automation. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.

AllCoding AgentsDeveloper ToolsData Science & MLProductivity & WorkflowResearch & AnalysisBrowser AutomationWeb Scraping & DataDatabase ManagementSecurity & TestingDeployment & DevOpsCloud InfrastructureDesign & MediaContent & WritingMarketing AutomationFinance & TradingCommunicationSEO & AI SearchSocial MediaJob Search & CareersSales & CRME-commerceCrypto & Web3Gaming & Game DevSmart Home & IoTLearning ResourcesOther

SkillSpector

Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.

Security & Testing Scanned 24k

Claude Red

claude-red is a curated library of offensive security skills designed for the Claude skills system. Each skill is a structured SKILL.md file that primes Claude with expert-level methodology for a specific attack surface — from SQLi to shellcode, EDR evasion to exploit development.

Security & Testing Scanned 10k

Skills

Trail of Bits skills for security research, vulnerability detection, and audit workflows

Security & Testing Scanned 7.9k

Replica Skill

Eleven free Claude skills that clone any app: reverse-engineer it, rebuild it, test it for bugs, then fix what its users hate. Free, MIT.

Security & Testing Scanned 6.9k

Claude BugHunter

A Claude Code skill bundle for bug hunting and external red-team work - 82 skills, 15 slash commands, 681 disclosed-report patterns curated across 24 core vulnerability classes, plus enterprise identity + infrastructure attack matrices.

Security & Testing Scanned 5.4k

VulnClaw

基于 AI Agent + MCP 工具链 + 渗透 Skill 编排, 配合大语言模型, 自然语言输入 → 自动完成「信息收集 → 漏洞发现 → 漏洞利用 → 报告生成」全流程。

Security & Testing Scanned 3.8k

Ctf Skills

Agent skills for solving CTF challenges - web exploitation, binary pwn, crypto, reverse engineering, forensics, OSINT, and more

Security & Testing Scanned 3.6k

Web Quality Skills

Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.

Security & Testing Scanned 3k

Founder Skill

Eleven free Claude skills that test a business before you launch it: a board trained on Hormozi, Thiel and Jobs, a marketing director, a CFO, and a consumer panel of 100 buyer agents. Free, MIT.

Security & Testing Scanned 2.3k

Crabbox

Crabbox: warm a box, sync the diff, run the suite.

Security & Testing Scanned 1.5k

Skills

Pashov Audit Group Skills

Security & Testing Scanned 1.3k

Bama

BAMA: Build Any Mac App. Agent skills to research, clone, design, build, optimize, and test native macOS apps with Swift and SwiftUI.

Security & Testing Scanned 1.2k

Claude Skills Governance Risk And Compliance

Claude Skills for Governance, Risk, & Compliance (GRC): Expert-level compliance guidance for ISO 27001, SOC 2, FedRAMP, GDPR, HIPAA, NIST CSF, PCI DSS, EU AI Act, ISO 42001, ISO 27701, DORA, CSRD, India's DPDPA, CMMC 2.0, NIST AI Risk, SWIFT, CCPA/CPRA, and others. Benchmark 89% (with skills) vs 55% (without skills). Updated Monthly.

Security & Testing Scanned 1k

Agent Skills Eval

A test runner for agentskills.io-style AI agent skills

Security & Testing Scanned 809

Claude Code Skills

Standalone skills for Claude Code and Codex: product discovery, architecture, implementation, technical foundations, reviews and delivery, with explicit scope and verification.

Security & Testing Scanned 586

Super Board

Autonomous GitHub Project build → QA → review loop for Claude Code. One-line install.

Security & Testing Scanned 572

Swift Testing Agent Skill

An agent skill focused entirely on Swift Testing, helping you write better tests, migrate from XCTest, improve test architecture, and adopt modern Swift testing patterns with confidence.

Security & Testing Scanned 478

Swift Testing Agent Skill

Swift Testing agent skill for Claude Code, Codex, and other AI tools.

Security & Testing Scanned 472

Claude Code Owasp

Claude Code skill for OWASP security best practices (2025-2026). Includes Top 10:2025, ASVS 5.0, Agentic AI security, and 20+ language-specific security quirks.

Security & Testing Scanned 422

Gravitas

Make Gemini code like Claude Models. Forces it to inspect files before editing, plan changes, test its work, and back up every “done” with actual evidence.

Security & Testing Scanned 407

Offensive Claude

Offensive security toolkit for Claude Code covering red team, exploit dev, AD attacks, EDR bypass, mobile pentest

Security & Testing Scanned 405

Agent Skills Guard

一款提供Agent Skills安全扫描和可视化管理的桌面应用 | A desktop application that provides security scanning and visual management for Agent Skills.

Security & Testing Scanned 392

Finding Unknowns Skills

14 installable skills for Claude Code, OpenAI Codex, and Hermes: find unknowns, clarify requirements, manage context, test assumptions, and verify bug fixes with regression evidence.

Security & Testing Scanned 360

TORCH

Karpathy LLM based claude harness for PenetrationTesting / Bugbounty using obsidian

Security & Testing Scanned 337

List refreshed November 15, 2026. Data comes from public GitHub repositories.