Claude Code・Codex・Cursorをはじめとするコーディングエージェント向けに、セキュリティカテゴリのおすすめスキル・MCPサーバー・マーケットプレイスを実際のインストール数でランキングしています。auditing、vulnerability scanning、OWASP、pentestingなどをカバーします。
3Firebase Security Rules Auditorfirebase/agent-skills公式Automatically audit Firebase Firestore security rules for bypass vulnerabilities and logic gaps before deploying.セキュリティスキル14.5万506
4Better Auth Best Practicesbetter-auth/skillsCorrectly configure Better Auth for secure authentication with database adapters, sessions, OAuth, email/password, and plugins in TypeScript projects.セキュリティスキル13.1万228
5Browser Fingerprint Auditliarjsdev/liarjs-skillsRun a liarjs CLI audit that scores canvas, WebGL, audio, fonts, and network fingerprint consistency.セキュリティスキル11.7万5
6Cloudflare Onecloudflare/skills公式Get accurate, up-to-date guidance when designing, configuring, troubleshooting, or reviewing Cloudflare One Zero Trust and SASE deployments.セキュリティスキル10.4万3302
7Turnstile Spincloudflare/skills公式Add Cloudflare Turnstile CAPTCHA protection to any frontend form or site.セキュリティスキル10.4万3302
8Security Auditcloudflare/security-audit-skill公式Performs a manual six-phase security audit of a codebase to find exploitable vulnerabilities with real impact, each backed by a concrete attack scenario.セキュリティスキル9.1万6.6万
9Security And Hardeningaddyosmani/agent-skillsAutomatically apply security boundaries, input validation, and hardening rules across any feature that touches user data, authentication, or external services.セキュリティスキル8万11.4万
10Gws Calendar Agendagoogleworkspace/cliQuickly view upcoming events across all Google Calendars directly from the terminal or within an agent workflow.セキュリティスキル5.1万3.2万
11Better Auth Security Best Practicesbetter-auth/skillsAutomatically apply hardened security defaults and catch common auth vulnerabilities when using better-auth.セキュリティスキル5.1万228
12Gws Drive Uploadgoogleworkspace/cliQuickly push local files and reports into Google Drive with correct naming and folder placement without leaving the terminal.セキュリティスキル5万3.2万
13Email And Password Best Practicesbetter-auth/skillsCorrectly configure secure email verification, password reset flows, password policies, and hashing for Better Auth in their app.セキュリティスキル5万228
14Golang Securitysamber/cc-skills-golangEnsure their Go HTTP handlers, session stores, password hashing, and API endpoints follow secure defaults and avoid common Go-specific security traps.セキュリティスキル4.4万3814
15Organization Best Practicesbetter-auth/skillsQuickly configure multi-tenant organizations, role-based access control, teams, and member management using Better Auth.セキュリティスキル3.8万228
16Two Factor Authentication Best Practicesbetter-auth/skillsCorrectly configure and enable secure two-factor authentication flows using Better Auth's twoFactor plugin.セキュリティスキル3.6万228
17Gws Gmail Forwardgoogleworkspace/cliForward Gmail messages with custom notes, attachments, or HTML bodies directly from the terminal or an agent workflow.セキュリティスキル3.4万3.2万
18Baoyu Xhs ImagesJimLiu/baoyu-skillsReliably generate images via Codex when the preferred baoyu-image-gen orchestration layer is unavailable.セキュリティスキル3.2万2.7万
19Firecrawl Lead Researchfirecrawl/firecrawl-workflows公式Instantly generate concise, actionable pre-meeting intelligence briefs on companies, people, news, and industry context using Firecrawl.セキュリティスキル3.2万220
20Firecrawl Competitive Intelfirecrawl/firecrawl-workflows公式Automatically track competitor pricing, features, changelogs and product updates using structured web scraping.セキュリティスキル3.1万220
21Clerkclerk/skills公式When they need an agent that intelligently routes any question about adding authentication, setting up Clerk, implementing custom sign-in flows, or configuring billing andセキュリティスキル3.1万93
22Gws Modelarmorgoogleworkspace/cliSanitize prompts and model outputs against harmful or unsafe content using Google Model Armor templates.セキュリティスキル3.1万3.2万
23Extension Authorizationcaffeinelabs/skillsInstantly add a complete role-based authentication and authorization layer with standard endpoints to any new backend service.セキュリティスキル3.1万2
24Extension User Approvalcaffeinelabs/skillsAdd approval-based user management so that users must request access and admins approve before they can use protected agent features.セキュリティスキル3万2
25Gws Modelarmor Create Templategoogleworkspace/cliCreate custom Google Model Armor templates that filter harmful or jailbreak content before it reaches an LLM.セキュリティスキル3万3.2万
28Extension Oqlcaffeinelabs/skillsExtend functionality with pluginsセキュリティスキル3万2
29Baoyu Danger X To MarkdownJimLiu/baoyu-skillsConfigure consistent preferences for converting X/Twitter threads and articles into clean Markdown without repeating setup choices on every run.セキュリティスキル2.8万2.7万
30Dbs Goaldontbesilent2025/dbskillTurn vague personal or product ambitions like "I want to build a personal brand" into concrete, verifiable deliverables that actually drive the next action.セキュリティスキル2.6万1.1万
31Security Requirement Extractionwshobson/agentsAutomatically extract structured security, compliance, and data-protection requirements from product specs, user stories, or regulatory documents.セキュリティスキル2.6万4.2万
32Security Reviewgetsentry/skills公式Automatically scan Dockerfiles, container images, and runtime configs for common security anti-patterns before deployment.セキュリティスキル2.3万1132
33Stride Analysis Patternswshobson/agentsRun structured STRIDE threat modeling on new features, APIs, or agent systems before they reach production.セキュリティスキル2.2万4.2万
34Skill VetterUseAI-pro/openclaw-skills-securityRun a structured manual-first security checklist before adding any new skill from ClawHub, GitHub or other sources.セキュリティスキル2.1万74
35Clerk React Patternsclerk/skills公式Get production-grade React SPA authentication patterns using @clerk/react with Vite or CRA.セキュリティスキル2万93
36Security Reviewaffaan-m/ECCAutomatically run a comprehensive security checklist whenever they add authentication, handle user input, work with secrets, or implement payments and API endpoinセキュリティスキル2万29.9万
37Penetration Testing With Strixusestrix/strixRun autonomous AI pentests on web apps, APIs, repos, or domains with Strix CLI or cloud.セキュリティスキル2万7.4万
38Nature FigureYuan1z0825/nature-skillsGenerate submission-grade scientific figures and multi-panel plots for high-impact journals using Python or R.セキュリティスキル2万5.3万
39Fix Security Vulnerabilities With Strixusestrix/strixTriage and fix validated Strix pentest findings, then re-scan to prove vulnerabilities are closed.セキュリティスキル1.9万7.4万
42Clerk React Router Patternsclerk/skills公式Instantly get correct Clerk authentication patterns for React Router v7 instead of wrestling with loader context and middleware errors.セキュリティスキル1.6万93
43Linear Clischpet/linear-cliCreate, update, comment on, and transition Linear issues directly from the terminal or inside agent workflows.セキュリティスキル1.6万1039
44Gdpr Data Handlingwshobson/agentsImplement compliant consent, data subject rights, and audit logging when building AI agents or SaaS products that process personal data.セキュリティスキル1.5万4.2万
45K8s Security Policieswshobson/agentsApply battle-tested Kubernetes NetworkPolicy templates that lock down pod-to-pod traffic and external access.セキュリティスキル1.5万4.2万
47Readtw93/WazaReliably fetch clean, readable content from any web URL into their agent workflows.セキュリティスキル1.4万7530
48Commit Historyrohitg00/agentmemoryQuickly see exactly which commits an agent has produced and which sessions created them.セキュリティスキル1.4万3万
49Handoffrohitg00/agentmemoryInstantly resume the most recent agent session and context when returning to a project.セキュリティスキル1.4万3万
50Agent Email Inboxresend/resend-skillsSafely ingest, sanitize, and rate-limit inbound emails for autonomous AI agents that act on user messages.セキュリティスキル1.4万211
51Protocol Reverse Engineeringwshobson/agentsCapture, dissect, and document proprietary or undocumented network protocols when building API clients, agent integrations, or debugging black-box services.セキュリティスキル1.3万4.2万
52Django Securityaffaan-m/ECCApply Django security best practices covering authentication, authorization, CSRF protection, SQL injection prevention, XSS prevention, and secure deployment configuratセキュリティスキル1.3万29.9万
56Security Best Practicesopenai/skills公式Get language- and framework-specific secure-by-default guidance, vulnerability reports, and concrete fix suggestions for Python, JavaScript/TypeScript, or Go projects.セキュリティスキル1.2万2.9万
57Python Configurationwshobson/agentsReliably load, validate, and coerce environment variables into typed Pydantic models for Python agents and services.セキュリティスキル1.2万4.2万
58Vue Jsx Best Practicesvuejs-ai/skillsEnsure correct JSX attribute usage and avoid TypeScript errors when writing Vue 3 components with the render function or TSX.セキュリティスキル1.2万3268
59Memory Forensicswshobson/agentsInspect memory dumps from crashed agents or compromised services and extract hidden processes, injected code, and network artifacts.セキュリティスキル1.1万4.2万
60Text To Lottiediffusionstudio/lottieGenerate, edit, or fix production-ready Lottie animation JSON files that render correctly in the official Skottie viewer.セキュリティスキル1.1万5705