Security skills

18,904 tagged Security, measured the same way as everything else here.

Browse within: cybersecurity 503bug-bounty 235agent 231generative-ai 178LangChain 177hacking 176autonomous-pentesting 175skills 133LLM 104claude-ai 104agentic-ai 87ai-security 75openclaw 71antigravity 67

legba

49

evilsocket/legba

Skill Claude CodeCodex

Use this skill when the user wants to brute-force credentials, spray passwords, or enumerate services/subdomains against any network protocol (HTTP, SSH, FTP, SMB, RDP, databases, mail protocols, DNS, etc.) using legba. Also use it when the user asks how to use legba, how to write a recipe, how to configure the REST…

not rated 2.0k +3 2mo ago A 91 tokens

guardian-cli

50

zakirkun/guardian-cli

Skill Claude CodeCodex

An enterprise-grade, AI-powered penetration testing automation CLI tool. Orchestrates multiple specialized AI agents (Planner, ToolAgent, Analyst, Reporter) backed by 4 AI providers (OpenAI, Claude, Gemini, OpenRouter) and 19 integrated security tools through YAML-defined workflows. Produces professional Markdown…

not rated 1.9k +5 4mo ago A 79 tokens

cloudflare/workers-oauth-provider

Skill Claude CodeCodex ✓ vendor

Upgrade a Cloudflare Worker's @cloudflare/workers-oauth-provider from 0.x, 1.0 or 1.1 to the latest 1.x. Use when bumping that dependency, or when OAuthProvider / OAuthAuthorizationServer / OAuthResourceServer construction throws after an upgrade.

not rated 1.9k +2 changed 11d ago A 70 tokens original MIT

metabigor

52

j3ssie/metabigor

Skill Claude CodeCodex

Use when operating the metabigor CLI for OSINT recon and infrastructure mapping without API keys. Covers finding network ranges from an ASN, org, domain, or IP (net); enumerating subdomains from certificate logs (cert); enriching IPs with ports/CVEs via Shodan InternetDB (ip); searching public GitHub code for secrets…

not rated 1.9k +4 2mo ago A SkillSpector: pass 143 tokens original MIT

stegg-cli

53

elder-plinius/ST3GG

Skill Claude CodeCodex

Subprocess CLI for ST3GG steganography — encode/decode, steganalysis, PNG chunk/EXIF injection, and AI red-team payloads. Runs as subprocess so output stays out of context. Use when hiding data in images, analyzing images for hidden content, injecting metadata, crafting steganographic PoCs, or detecting steganographic…

not rated 1.8k +11 4mo ago A 106 tokens AGPL-3.0

wgpsec/AboutSecurity

Skill Claude CodeCodex

A methodology for moving from a compromised Azure or Entra ID cloud account into an on-premises Active Directory network. Active Directory is commonly used to manage users and computers inside an organization.

not rated 1.8k +26 10d ago A SkillSpector: warn 160 tokens

burp-scan

55

six2dez/burp-ai-agent

Skill Claude CodeCodex needs its repo

Burp Suite scanning via MCP tools — passive traffic analysis, active payload testing, OOB verification, and vulnerability reporting using Burp's proxy, HTTP sender, Collaborator, and scanner APIs. Use when the user has Burp Suite running with the AI Agent MCP server and wants to scan, test, or analyze web traffic…

not rated 1.6k +7 13d ago C SkillSpector: warn 87 tokens original MIT

supabase

56

PentesterFlow/agent

Skill Claude Code

Supabase / PostgREST Row-Level-Security playbook — pull the anon (or leaked servicerole) key out of the frontend JS, map tables from the auto-generated OpenAPI spec, test anonymous RLS READ disclosures (PII/secret leaks), and anonymous RLS WRITE abuse (insert/update/delete — e.g. forging…

not rated 1.4k +15 2mo ago A SkillSpector: warn 120 tokens original Apache-2.0

mastg

57

ChiChou/grapefruit

Skill Claude CodeCodex

Autonomous mobile security audit aligned with OWASP MASTG v2. Performs checklist-driven analysis across MASVS categories: storage, crypto, network, platform, code, resilience, privacy. Exports structured markdown report with MASTG test references.

not rated 1.4k +4 changed 28d ago A SkillSpector: warn 53 tokens original MIT

VibeSec-Skill

59

BehiSecc/VibeSec-Skill

Skill Claude CodeCodex

This skill helps Claude write secure web applications. Use this when working on any web application or when a user requests a scan or audit to ensure security best practices are followed.

not rated 1.4k +4 8mo ago C 40 tokens original Apache-2.0

cfrs2005/claude-init

Skill Claude Code

A code-review checklist for security-sensitive features such as login, user input, file uploads, API endpoints, payments, and confidential data.

not rated 1.4k +2 7mo ago A SkillSpector: warn 47 tokens original MIT

sast-fileupload

61

utkusen/sast-skills

Skill Claude CodeCodex needs its repo

Detect insecure file upload vulnerabilities in a codebase using a three-phase approach: discovery (find all upload sites), batched verify (check extension bypass and related issues in parallel subagents, 3 sites each), and merge (consolidate batch results). Requires sast/architecture.md (run sast-analysis first).…

not rated 1.4k +10 11d ago A SkillSpector: pass 92 tokens original MIT

hunt-race-condition

62

uphiago/recon-skills

Skill Claude CodeCodex

Hunting skill for race condition vulnerabilities. Built from 12 public bug bounty reports including modern HTTP/2 single-packet attack cases (James Kettle DEF CON 2023 "Smashing the State Machine"; RyotaK / Flatt Security 10,000-request first-sequence-sync expansion 2024). Covers coupon double-redemption, gift-card…

not rated 1.3k +5 2mo ago A SkillSpector: warn 140 tokens original MIT

skill-release-gate

63

fancyboi999/ai-engineering-from-scratch-zh

Skill Claude CodeCodex

A release-checking skill for evaluating whether an agent skill bundle is complete, safe, correctly triggered, and portable to its target host.

not rated 1.3k +13 4d ago A SkillSpector: pass 49 tokens original MIT

xalgorix/xalgorix

Skill Claude CodeCodex

Implements data loss prevention policies using Microsoft Purview to protect sensitive information across Exchange Online, SharePoint, OneDrive, Teams, endpoint devices, and Power BI. The analyst configures sensitivity labels with encryption and content marking, creates DLP policies using built-in and custom sensitive…

not rated 1.3k +21 4d ago A SkillSpector: pass 148 tokens original Apache-2.0

attackgen-tabletop

65

mrwadams/attackgen

Skill Claude CodeCodex

Turn a MITRE ATT&CK/ATLAS threat group or case study — or a frontier AI agent deployed inside the organisation — into a full incident-response tabletop exercise (MSEL): scenario narrative, kill chain or agent threat scope, timestamped injects, discussion questions, and a detection-coverage scorecard, using the…

not rated 1.3k +3 changed 9d ago A SkillSpector: pass 155 tokens GPL-3.0

vibe-security

66

raroque/vibe-security-skill

Skill Codex

Audits codebases for common security vulnerabilities that AI coding assistants introduce in "vibe-coded" applications. Checks for exposed API keys, broken access control (Supabase RLS, Firebase rules), missing auth validation, client-side trust issues, insecure payment flows, and more. Use this skill whenever the user…

not rated 1.2k +16 7mo ago A Socket: passSnyk: pass 147 tokens original MIT

code-reviewing

67

huangjia2019/claude-code-engineering

Skill Claude Code

Review code for quality, security, and best practices. Use when the user asks for code review, wants feedback on their code, mentions reviewing changes, or asks about code quality.

not rated 1.1k +3 3mo ago A 40 tokens

vulnhunter-fix

68

capitalone/VulnHunter

Skill Claude CodeCodex

Automate vulnerability remediation from VulnHunter scan results using TDD. Parses VulnHunter findings, writes exploit demos proving each vulnerability, writes security tests that define correct behavior (RED), implements fixes to pass those tests (GREEN), and delivers via PR or fallback GitHub issue. Each PR includes…

not rated 1.1k +11 26d ago A SkillSpector: warn 135 tokens original Apache-2.0

detection-signals

69

LinXiaoTao/FuckClaude

Skill Claude CodeCodex

A set of rules for detecting signals that may suggest a browser user is in China. It scans browser information locally and also reuses scoring functions in a server endpoint called /api/check.

not rated 1.1k +31 4d ago A SkillSpector: pass 69 tokens original MIT

chAng-L19/codex-redteam-mode

Skill Claude CodeCodex

Compact operational boundary policy for durable red-team workflows. It does not route domains or decide workflow completion.

not rated 1.1k +5 25d ago A SkillSpector: pass 26 tokens original MIT

clawtributor

71

prompt-security/clawsec

Skill Claude CodeCodex

Harness-neutral community incident reporting for AI agents. Contribute to collective security by reporting threats.

not rated 1.1k +2 yesterday B 22 tokens AGPL-3.0

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: