Security

26,960 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

mcp-scanner

97

cisco-ai-defense/mcp-scanner

Plugin Claude Code

Bundles 1 skill, 9 commands · 187 tokens together

Security scanning for MCP servers using YARA rules, LLM analysis, and Cisco AI Defense. Detect prompt injection, tool poisoning, and other threats in MCP tools, prompts, and resources.

not rated 1.1k +5 yesterday A tokens not measured original Apache-2.0

hol-guard

98

hashgraph-online/hol-guard

Skill Claude CodeCodex

Run HOL Guard scanner and guard operations via uv run hol-guard. Use when the user asks to scan plugins/MCP/skills for security, quality, or ecosystem compliance, or when they ask to run guard detect/install/protect workflows for local AI harnesses.

not rated 1.1k +36 today A SkillSpector: pass 58 tokens original Apache-2.0

privacy-rules

100

MayDay-wpf/snow-cli

Skill Claude Code

A set of custom privacy rules for Snow CLI, using patterns such as regular expressions to redact or mask sensitive values in tool results.

not rated 1.1k +4 yesterday A 104 tokens

hunt-oauth

101

H-mmer/pentest-agents

Skill Cursor

Hunting skill for OAuth 2.0 / 2.1, OpenID Connect (OIDC), SAML SSO, and JWT authentication. Built from 365 public OAuth/SSO bug bounty reports across HackerOne, GitHub Security Advisories, PortSwigger Research, GitHub Security Lab, Detectify, Doyensec, Salt Labs, Semperis, Obsidian Security, Trace37 plus 2024-2026…

not rated 1.1k +12 4mo ago A 409 tokens

claude-authenticity

102

agentscope-ai/OpenJudge

Skill Claude CodeCodex

Detect whether an API endpoint is backed by genuine Claude (not a wrapper, proxy, or impersonator) using 9 weighted rule-based checks that mirror the claude-verify project. Also extracts injected system prompts from providers that override Claude's identity. Fully self-contained — copy the code below and run, no extra…

not rated 1.1k +56 yesterday A SkillSpector: pass 121 tokens original Apache-2.0

audit-skills

103

RuoJi6/audit-skills

Skill Claude CodeCodex

A skill for authorised, defensive security audits of Java, .NET, and PHP source code, deployed files, or decompiled software. It also covers related vulnerability checks and evidence collection.

not rated 1.0k +5 4mo ago A 101 tokens

cis-controls

104

Sushegaad/Claude-Skills-Governance-Risk-and-Compliance

Plugin Claude Code

Bundles 1 skill · 140 tokens together

CIS Controls v8 (CIS Top 18) advisor — Implementation Group scoping (IG1/IG2/IG3), gap assessments across all 153 safeguards, asset/software inventory, data protection, secure configuration, MFA and access control, vulnerability management, audit log management, malware defenses, incident response, penetration testing.

not rated 1.0k +20 changed 1mo ago A tokens not measured original MIT

harden

105

SterlingChin/marvin-template

Skill Claude CodeCodex

Audit a software project for hardening — security, AI gaps, test coverage, code quality, and decoupling. Use when user wants to harden a project, audit for vulnerabilities, check test coverage, or separate private data from code.

not rated 1.0k +1 2mo ago A SkillSpector: pass 52 tokens original MIT

gh-issues

106

SafeAI-Lab-X/ClawKeeper

Skill Claude Code

Fetch GitHub issues, spawn sub-agents to implement fixes and open PRs, then monitor and address PR review comments. Usage: /gh-issues [owner/repo] [--label bug] [--limit 5] [--milestone v1.0] [--assignee @me] [--fork user/repo] [--watch] [--interval 5] [--reviews-only] [--cron] [--dry-run] [--model glm-5]…

not rated 1.0k +1 2mo ago A 116 tokens

unifi-access

107

sirkirby/unifi-mcp

Plugin Claude Code

Bundles 3 skills · 186 tokens together

UniFi Access MCP server — manage door locks, credentials, visitors, and access policies.

not rated 1.0k +37 changed today A tokens not measured original MIT

code-review

108

juicesharp/rpiv-mono

Skill Claude Code

Conduct comprehensive code reviews of pending changes, a branch, or a PR using parallel specialist agents that audit the diff, compare against peer code, and verify claims. Use when the user asks to 'review this', wants pending changes, a PR, a branch, or a diff reviewed, or asks for a code review. Produces review…

not rated 943 +8 13d ago A SkillSpector: warn 100 tokens original MIT

laravel-brain

109

laramint/laravel-brain

Skill Claude CodeCodex

Analyze a Laravel application for complexity hotspots, security surface, and database access patterns using laravel-brain. Activate when: the user asks what needs work, what should be improved, what to work on next, where to focus, what is the most complex code, what are the security issues, audit the codebase…

not rated 940 +2 1mo ago A SkillSpector: warn 118 tokens

svc-mobile-android

110

s0ld13rr/pentestcode

Skill Claude CodeCodex

Android APK static analysis — OWASP Mobile Top 10, Retrofit API audit, transport security, smali reading, component export, auth flow analysis. Use when target is an APK/Android app. Triggers - APK, Android, mobile app, decompiled, smali, jadx, apktool.

not rated 929 +27 yesterday A SkillSpector: pass 66 tokens original MIT

code-audit

111

3stoneBrother/code-audit

Skill Claude CodeCodex

Professional code security audit skill covering 55+ vulnerability types. Enhanced with WooYun 88,636 real-world vulnerability cases (2010-2016). This skill should be used when performing security audits, vulnerability scanning, penetration testing preparation, or code review for security issues. Supports 9 languages…

not rated 911 +2 8mo ago A 193 tokens

api-relay-audit

112

toby-bridges/api-relay-audit

Skill Claude CodeCodex

Use when auditing third-party AI API relays, LLM proxies, gateways, or resale APIs locally before trusting coding, tool, or wallet-sensitive traffic; works with Cursor, OpenClaw, Hermes, and other skill-capable agents.

not rated 906 +7 changed 15d ago A 54 tokens AGPL-3.0

h5i

113

h5i-dev/h5i

Skill Claude CodeCodex

Skill "h5i" from h5i-dev/h5i, covering h5i, choose the workflow, build and verify and use the development tools.

not rated 894 +9 changed 7d ago A SkillSpector: pass 47 tokens original Apache-2.0

gmh5225/awesome-llvm-security

Skill Claude Code

Expertise in LLVM-based dynamic binary instrumentation, runtime tracing, and program monitoring. Use this skill when implementing runtime analysis tools, code coverage systems, profilers, or dynamic security monitors.

not rated 890 1mo ago A SkillSpector: pass 42 tokens original MIT

shuru

115

superhq-ai/shuru

Skill Claude CodeCodex needs its repo

Run commands in an isolated Linux microVM sandbox using the shuru CLI. Use when the user asks to execute untrusted code, install packages safely, test in a clean environment, run Docker containers or a headless browser inside a VM, or needs Linux-specific tooling on macOS.

not rated 887 +5 changed yesterday C 60 tokens original Apache-2.0

skylos

116

duriantaco/skylos

MCP server Claude CodeCodexCursor +2

Python dead code, security and secrets scanner with a pull-request gate; narrower checks for TypeScript, Java and more. Runs locally from the skylos Python package. Needs 1 environment variable to run.

not rated 883 +25 today A Socket: warn tokens not measured original Apache-2.0

iothackbot

117

BrownFineSecurity/iothackbot

Plugin Claude Code

Bundles 13 skills · 710 tokens together

IoT security testing toolkit with skills for firmware analysis, network reconnaissance, UEFI security, and device exploitation.

not rated 880 +3 5mo ago A tokens not measured original MIT

pr-review

118

poshan0126/dotclaude

Skill Claude Code

Review code changes or a pull request. Delegates to specialist agents (code quality, security, performance, silent failures, test quality, docs) in parallel.

not rated 871 +2 2mo ago A SkillSpector: pass 35 tokens original MIT

ship-safe

119

asamassekou10/ship-safe

Plugin Claude Code

Bundles 9 skills · 444 tokens together

Security audit your project with Ship Safe — 29 agents, 80+ attack classes, real-time Claude Code hooks, deep LLM analysis, and CI mode.

not rated 870 20d ago A tokens not measured original MIT

npm-security

120

bodadotsh/npm-security-best-practices

Skill Claude CodeCodex

Prevent JavaScript/TypeScript projects from supply-chain attacks across package managers like npm, pnpm, yarn, bun, and deno. Use whenever planning, installing, updating dependencies or configuring package managers.

not rated 859 +1 changed 1mo ago A SkillSpector: warn 43 tokens original MIT

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