Security
Security agent skills give AI agents disciplined security workflows: code review for vulnerabilities, secret handling, dependency audits, and hardening checklists. Every skill on SkillMD also passes its own safety review before listing, with capability flags shown on each page.
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intense-visions Bundle Security Code SigningCode and Artifact Signing
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intense-visions Bundle Security Rebac DesignRelationship-Based Access Control
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intense-visions Bundle Audit Brand ComplianceAudit Brand Compliance
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intense-visions Bundle Owasp Security HeadersHTTP Security Headers
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intense-visions Bundle Security Memory SafetyMemory Safety
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intense-visions Bundle Security Vault PatternsVault Patterns
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modu-ai-cc-plugins Bundle Moai Platform AuthAuthentication and authorization specialist covering Auth0, Clerk, and Firebase Auth. Use when implementing authentication, authorization, MFA, SSO, passkeys, WebAuthn, social login, or security features. Supports enterprise (Auth0), modern UX (Clerk), and mobile-first (Firebase) patterns.
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yonatangross Bundle Ork Review PrReview a pull request or branch for correctness, regressions, security, operational risk, and missing evidence. Use when a request asks to review a PR, review a diff, find real bugs, assess merge risk, or provide evidence-backed review findings. Do not use for implementation or style-only cleanup.
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thewatcher01 Bundle Testing Handbook GeneratorMeta-skill that analyzes the Trail of Bits Testing Handbook (appsec.guide) and generates Claude Code skills for security testing tools and techniques. Use when creating new skills based on handbook content.
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fndlalit Bundle N8n Security TestingCredential exposure detection, OAuth flow validation, API key management testing, and data sanitization verification for n8n workflows. Use when validating n8n workflow security.
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thebeardedbearsas Skill Security FlutterFlutter Security. Use when reviewing security, implementing auth, or hardening code.
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thebeardedbearsas Skill Security SymfonySécurité & RGPD - Atoll Tourisme. Use when reviewing security, implementing auth, or hardening code.
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thebeardedbearsas Skill Security Flutter 2Sécurité Flutter. Use when reviewing security, implementing auth, or hardening code.
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coralshades Bundle Security Best PracticesPerform language and framework specific security best-practice reviews and suggest improvements. Trigger only when the user explicitly requests security best practices guidance, a security review/report, or secure-by-default coding help. Trigger only for supported languages (python, javascript/typescript, go). Do not trigger for general code review, debugging, or non-security tasks.
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ngxtm-devkit Bundle Net SecuritySecurity standards for .NET applications based on OWASP guidelines.
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ngxtm-devkit Bundle Nestjs SecurityAuthentication, RBAC, and Hardening standards.
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ngxtm-devkit Bundle Flutter SecuritySecurity standards for Flutter applications based on OWASP Mobile.
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borkweb Skill Design ReviewDesigner's eye QA: finds visual inconsistency, spacing issues, hierarchy problems, AI slop patterns, and slow interactions — then fixes them. Iteratively fixes issues in source code, committing each fix atomically and re-verifying with before/after screenshots. For plan-mode design review (before implementation), use /plan-design-review. Use when asked to "audit the design", "visual QA", "check if it looks good", "design polish", "does this look AI-generated", or "review the UI".
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ngxtm-devkit Bundle Typescript SecuritySecure coding practices for building safe TypeScript applications.
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ngxtm-devkit Bundle Spring SecurityAuthentication, authorization, JWT, OAuth2, CSRF, CORS, and security filter chain.
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lev-os Bundle OsintStructured OSINT investigations — people lookup, company intel, investment due diligence, entity/threat intel, domain recon, organization research using public sources with ethical authorization framework. USE WHEN OSINT, due diligence, background check, research person, company intel, investigate, company lookup, domain lookup, entity lookup, organization lookup, threat intel, discover OSINT sources.
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lev-os Skill Geo ReportGenerate a professional, client-facing GEO report combining all audit results into a single deliverable with scores, findings, and prioritized actions
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boisenoise Bundle Neurokit2Use NeuroKit2 to build or audit reproducible research workflows for physiological time-series preprocessing, event/interval analysis, multimodal alignment, variability, and complexity. Trigger when code imports neurokit2 or needs its current APIs, schemas, and method-aware validation—not for diagnosis or device validation.
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boisenoise Bundle Scholar EvaluationProvide qualitative-first, evidence-traceable developmental review of scholarly works and audit low-stakes research-assessment rubrics with optional local quality controls. Never use for ranking people or consequential decisions.
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boisenoise Bundle Scientific WritingDraft, revise, and audit scientific manuscripts or reports with explicit evidence provenance, reporting-guideline coverage, authorship accountability, confidentiality controls, and local consistency checks. Use for manuscript sections, references, declarations, tables, figures, or submission preparation when scientific accuracy and traceability matter.
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boisenoise Bundle Scientific VisualizationCreate and audit truthful, accessible, publication-ready scientific figures with Matplotlib, Seaborn, or Plotly. Use for figure design, multi-panel layouts, uncertainty and missing-data displays, color/contrast review, image metadata validation, and journal export planning.
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azizulhasan Bundle Wordpress Plugin DevelopmentBuild WordPress plugins correctly and pass wp.org Plugin Directory review. Covers the full Plugin Developer Handbook (security, hooks, REST, shortcodes, blocks, CPTs/taxonomies, settings/meta, privacy/GDPR, users/roles, HTTP API, WP-Cron, JS/Ajax, i18n, readme/assets/SVN) and the 19 wp.org guidelines that cause closures (trialware, telemetry without opt-in, remote-loaded assets, missing source for minified files, wrong text-domain literal, missing REST permission_callback, vendored library collisions). Use when building a WordPress plugin or fixing a Plugins Team closure, preparing a submission, auditing compliance, responding to Plugin Check warnings, adding REST routes/shortcodes/blocks, registering CPTs/taxonomies/settings/meta, enqueuing scripts, wiring cron or activation hooks, translations, sanitizing/escaping, capability/nonce checks, or bundling PHP libs. Apply proactively on code under `wp-content/plugins/` or when you see `register_rest_route`, `add_shortcode`, `register_post_type`, `register_settin
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awarexone Skill Web3 Start HereMaster index for the web3 smart contract security knowledge base. Use this to navigate the skill chain. Read files in order — each ends with NEXT.
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awarexone Skill Web3 Poc FoundryComplete Foundry PoC writing guide + all cheatcodes + DeFiHackLabs reproduction patterns. Use this when building a proof of concept exploit, setting up a fork test, using Foundry cheatcodes, or reproducing a known DeFi hack for learning.
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awarexone Skill Web3 Hunt Zksync EraZKsync Era (Immunefi) completed hunt — 0 findings after exhaustive 5-session audit. Use as a DEFENSE STUDY — learn what makes a protocol unhuntable, which patterns block all 10 bug classes, and when to abandon a target. Contains architecture breakdown, 25 tested attack vectors, and pre-dive scoring refinements for large L1 bridge protocols.
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thewatcher01 Bundle Yara Rule AuthoringGuides authoring of high-quality YARA-X detection rules for malware identification. Use when writing, reviewing, or optimizing YARA rules. Covers naming conventions, string selection, performance optimization, migration from legacy YARA, and false positive reduction. Triggers on: YARA, YARA-X, malware detection, threat hunting, IOC, signature, crx module, dex module.
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thewatcher01 Bundle Secure Workflow GuideGuides through Trail of Bits' 5-step secure development workflow. Runs Slither scans, checks special features (upgradeability/ERC conformance/token integration), generates visual security diagrams, helps document security properties for fuzzing/verification, and reviews manual security areas.
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thewatcher01 Bundle Audit Context BuildingEnables ultra-granular, line-by-line code analysis to build deep architectural context before vulnerability or bug finding.
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26zl Bundle Testing Cors MisconfigurationIdentifying and exploiting Cross-Origin Resource Sharing misconfigurations that allow unauthorized cross-domain data access and credential theft during security assessments.
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26zl Bundle Building Soc Escalation MatrixBuild a structured SOC escalation matrix defining severity tiers, response SLAs, escalation paths, and notification procedures for security incidents.
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26zl Bundle Performing Vlan Hopping AttackSimulates VLAN hopping attacks using switch spoofing and double tagging techniques in authorized environments to test VLAN segmentation effectiveness and validate switch port security configurations against Layer 2 bypass attacks.
Frequently asked questions
What are Security agent skills?
Security agent skills give AI agents disciplined security workflows: code review for vulnerabilities, secret handling, dependency audits, and hardening checklists. Every skill on SkillMD also passes its own safety review before listing, with capability flags shown on each page.
Which Security skills are most installed?
Popular Security skills on SkillMD right now include OSINT, audit-context-building, geo-report. Rankings shift as installs change; sort this page by "Most installs" for the live list.
Do Security skills work with Claude Code and Cursor?
Yes. Every skill here ships as a SKILL.md file, an open format that works in Claude Code, Claude.ai, Cursor, Codex, Windsurf, and 60+ other agents. Install one with npx skillmds@latest add <owner>/<name>, or copy the file into your agent's skills directory.