Security skills

18,870 tagged Security, measured the same way as everything else here.

Browse within: cybersecurity 506bug-bounty 238agent 230autonomous-pentesting 178generative-ai 178LangChain 177hacking 176skills 132claude-ai 104LLM 101agentic-ai 87ai-security 76openclaw 71antigravity 63

image-audit

577

xiaowu89/skill-function

Skill Claude Code

An image-safety review skill that compresses local images and sends them to an API to check for sexual, political, and violent content.

not rated 12 2mo ago A 85 tokens original MIT

quality-critic

578

ensingm2/AI-threat-modeling-rulesets

Skill Claude Code

Adversarial validation for all stages. Detects fabrications, identifies analytical flaws, challenges assumptions, makes approval decisions. Seeks problems rather than confirming quality. Does NOT complete deliverables or fix issues.

not rated 12 8mo ago A 45 tokens original MIT

adamsjack711-ux/pkgxray

Skill Claude CodeCodex

Audit supplied evidence for AI coding-agent extensions, Codex plugins, Claude Code extensions, and MCP servers using concrete supply-chain security indicators.

not rated 12 20d ago A 36 tokens original MIT

owasp-security-review

580

harshith-vaddiparthy/outskill-owasp-security-review

Skill Claude CodeCodex

Launch-gate security review for the Vibe CRM Security Lab (NorthStar CRM) — a Next.js 16 App Router + Supabase + OpenAI app. Audits the codebase against the OWASP Top 10 2025, reports each issue in plain language with the exact file, severity, and the concrete fix (using the repo's own /api/fixed/ routes and…

not rated 12 4mo ago A 180 tokens original MIT

guelfoweb/malware-analysis-static

Skill Claude CodeCodex

Use this skill for static malware analysis and reverse engineering of suspicious binaries, Android APKs, Office documents, web payloads, scripts, source-code droppers, and multi-stage chains across Linux, macOS, and Windows. It guides Codex through safe lab workflow, tool discovery with per-install authorization…

not rated 12 6mo ago A 99 tokens

add-zizmor

582

Seldaek/zizmorify

Skill Claude CodeCodex

Add zizmor (GitHub Actions security analysis) CI to a repository and fix every finding it surfaces. Use when asked to "add zizmor", harden a repo's GitHub Actions workflows, pin actions to SHAs, or make workflows pass a security audit. Adds a zizmor workflow + a dependabot config (on the default branch; other branches…

not rated 12 +1 5mo ago A 107 tokens

yakit-hotpatch-skill

583

XiangXtreme/yakit-hotpatch-skill

Skill Codex

Use when creating, fixing, or reviewing Yakit Web Fuzzer hotload or Yakit MITM hotpatch scripts in Yaklang. Covers custom fuzztag functions, beforeRequest/afterRequest hooks, mirrorHTTPFlow extraction, retry/failure/mock handlers, encrypted mini-program traffic decrypt-edit-reencrypt, bizContent-style JSON wrappers…

not rated 12 5mo ago A 109 tokens

review-pii-redaction

584

lucasviola/specwiki

Skill Claude CodeCodex

Audit Parcel Path changes for PII leaks in logs and error messages. Use before opening a PR, after adding verbose logging, or when touching carrier responses.

not rated 12 3mo ago A 37 tokens original MIT

skill-sanitizer

585

animaresearch/skills

Skill Claude CodeCodex

Pre-share leak scanner for Claude Code skills (or any folder). Scans BEFORE you publish for secrets (API keys, tokens, private keys, .env values, high-entropy strings), PII (emails/phones), local machine paths (C:\Users\ , /home/ , /Users/ , UNC, internal hostnames), and client/proper-noun names from a LOCAL private…

not rated 12 4mo ago A 193 tokens

ziran

586

taoq-ai/ziran

Skill Claude CodeCodex

ZIRAN is an open-source security testing framework for AI agents. It discovers dangerous tool chain compositions via knowledge graph analysis, detects execution-level side effects (not just text output), and runs multi-phase trust exploitation campaigns that model real attacker behavior.

not rated 12 yesterday A 0 tokens original Apache-2.0

evm-audit-master

587

austintgriffith/evm-audit-skills

Skill Claude CodeCodex

Master index for EVM smart contract security audit skills. Load this FIRST for every audit to determine which specialized skills to load. Contains routing table and audit methodology.

not rated 12 1mo ago A 38 tokens original MIT

ag2ai/ag2-skills

Skill Claude CodeCodex

Govern an AG2 multi-agent network — identity (Passport, Resume), per-agent Rule with two top-level blocks access (AccessBlock) and limits (LimitsBlock, which nests RateBlock + InboxBlock), the swappable HubArbiter / RuleBasedArbiter access-&-routing seam, AuthAdapter / AuthRegistry registration, channel-level…

not rated 12 3mo ago A 264 tokens original Apache-2.0

add-login

589

sso-ss/vibe-ship-it

Skill Claude CodeCodex

Adds user authentication. Triggers: 'login', 'log in', 'sign in', 'sign up', 'register', 'authentication', 'auth', 'only I can see', 'protect this page', 'private page', 'admin area', 'user accounts', 'members only', 'password protect'.

not rated 12 6mo ago A 65 tokens original MIT

ssh-audit

590

muchiny/bridge-mcp

Skill Claude Code

This skill should be used when the user asks to "run a security scan", "check for vulnerabilities", "audit compliance", "check certificate expiry", "scan open ports", or mentions security reviews, CIS benchmarks, or compliance assessments on remote servers.

not rated 12 yesterday A SkillSpector: pass 54 tokens original MIT

nginx-config-pro

591

JayRHa/AgentSkills

Skill Claude CodeCodex

Generates and hardens production nginx configurations for reverse proxying with TLS termination, HTTP/2, response caching, rate limiting, gzip/brotli compression, and security headers. Use this skill when the user asks to "set up nginx as a reverse proxy", "add TLS/SSL to nginx", "configure nginx caching or rate…

not rated 12 3mo ago A 107 tokens original MIT

ai-instruction-detox

592

mars-tw/ai-instruction-detox

Skill Claude CodeCodex

An auditing and organizing skill for an AI project's instructions, rules, skills, and supporting context. It finds duplication, conflicts, outdated information, and prompt injection, then creates reviewable, reversible change proposals or applies approved changes.

not rated 12 27d ago A 226 tokens original MIT

security-audit

593

phinn/KinetAios

Skill Claude CodeCodex

A security-audit method for reviewing code and systems for confirmed vulnerabilities, attack paths, and failures at trust boundaries. It uses separate discovery and verification, and ties severity to real-world impact.

not rated 12 today A 138 tokens GPL-3.0

aws-samples/sample-pellier-agentic-search-apg

Skill Claude CodeCodex ✓ vendor

Review an agent tool that reads or writes PostgreSQL. Trace its permissions, caller identity, SQL and retry behavior; return source-backed findings and a verification plan that separates code evidence from tested behavior.

not rated 12 yesterday A 46 tokens original MIT

enterprise-readiness

595

eugenepyvovarov/mcpbundler-agent-skills-marketplace

Skill Claude CodeCodex

Assess and enhance software projects for enterprise-grade security, quality, and automation. This skill should be used when evaluating projects for production readiness, implementing supply chain security (SLSA, signing, SBOMs), hardening CI/CD pipelines, establishing quality gates, reviewing code or PRs, writing…

not rated 11 8mo ago A 113 tokens original MIT

council

596

mishahanin/heading-os

Skill Claude Code needs its repo

Second-opinion advisor. Default roster is Kimi k3 alongside Claude's own view; Gemini, Grok and ChatGPT are opt-in via --gemini / --grok / --chatgpt / --all. Two modes: independent (the models see the problem only, reason fresh) and critique (they stress-test a draft). Distinct from /deep-think (Claude reasoning…

not rated 11 changed 1mo ago A SkillSpector: warn 157 tokens original Apache-2.0

saas-security

597

vitormiziara/saas-security

Skill Claude CodeCodex

Comprehensive SaaS security skill covering code auditing, checklist generation, and vulnerability reporting. TRIGGER this skill whenever the user asks to: audit code for security issues, review a codebase for vulnerabilities, generate a security checklist, check for OWASP compliance, review authentication or…

not rated 11 7mo ago A 107 tokens original MIT

doctor

598

SomeStay07/claude-doctor-skill

Skill Claude Code

Audits any project for security, test coverage, and Claude Code automation. 46 checks across 6 layers: secrets, CLAUDE.md, hooks, skills, agents, rules, MCP, CI, memory. Adaptive scoring — auto-detects project maturity (Starter/Growing/Mature/Pro). Diagnoses gaps, prescribes project-specific fixes, applies them.…

not rated 11 8mo ago A 197 tokens original MIT

skill-monitor

599

Luxuzhou/skill-monitor-plugin

Skill Claude Code

A management tool for installed Claude Code skills, which are reusable instructions that extend an AI coding assistant. It checks their security, cost, conflicts, usage, versions, and capability groupings.

not rated 11 7mo ago A 153 tokens original MIT

java-security-jwt

600

lambert0529/skills

Skill Claude CodeCodex

A guide for adding JWT authentication to a Spring Boot application. JWT is a signed token used to identify a user between requests, while role-based access control limits what different users may do.

not rated 11 9mo ago A 93 tokens original Apache-2.0

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: