Security

26,946 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-oauth

1177

lucaperret/agent-skills

Skill Claude CodeCodex

Add OAuth 2.0 PKCE authentication to a remote MCP server. Use this skill whenever the user wants to add authentication to an MCP server, protect MCP tools with OAuth, implement login flow for an MCP connector, add user auth to an MCP endpoint, or set up token-based access for MCP. Also triggers on: 'MCP OAuth', 'MCP…

not rated 7 7mo ago A 140 tokens original MIT

soc-copilot

1178

G4rb3n/SOC-Copilot

Skill Claude Code

An AI-assisted workflow for investigating security alerts in a security operations center, or SOC—the team and systems that monitor an organisation for attacks. It can analyse alerts, investigate their origins, prepare response scripts, and record approved rules and reports.

not rated 7 8mo ago A 125 tokens original MIT

rootcastleco/rei-skills

Skill Claude CodeCodex

Implement secure API design patterns including authentication, authorization, input validation, rate limiting, and protection against common API vulnerabilities.

not rated 7 changed 4d ago A 29 tokens

audit

1180

telus-labs/stagecraft

Skill Claude CodeCodex

Run a structured codebase audit — map architecture, assess health (compliance / tests / docs), perform deep analysis (security / performance / code quality), and synthesize a prioritized roadmap. Use this skill when the user says things like 'audit the codebase', 'understand this project', 'find problems', '/audit'…

not rated 7 1mo ago A SkillSpector: pass 103 tokens original MIT

vulners-mcp

1181

vulnersCom/vulners-mcp

MCP server Claude CodeCodexCursor +2

MCP interface server fronting the Vulners API (https://vulners.com). Runs locally from the vulners-mcp Python package.

not rated 7 15d ago A tokens not measured

code-vulnscan

1182

Bhanunamikaze/Code-VulnScan-Skill

Skill Claude CodeCodex

Use this when the user wants to find security vulnerabilities in a codebase, perform a security audit, scan for CVEs, detect secrets, review React/Next.js, Go, Java/Kotlin JVM, PHP, Ruby, .NET, or Rust web services, audit architecture/application/infrastructure flaws, review auth/API/crypto/business logic, check…

not rated 7 2mo ago A 128 tokens original MIT

security

1183

popoloni/non_deterministic_sw_eng

Cursor rule Cursor

When writing code that handles authentication, authorization, or sensitive data.

not rated 7 10mo ago A 0 tokens original MIT

LeoKemp223/embedded-llm-guardrails

Skill Claude CodeCodex

Safety instructions for using an AI coding assistant in embedded projects, such as microcontroller, real-time operating system, driver, and board-support code. Embedded software runs on dedicated hardware, where mistakes can affect the device itself.

not rated 7 5mo ago C 98 tokens

cwe-search-mcp

1185

Bilel-Eljaamii/cwe-search_mcp

MCP server Claude CodeCodexCursor +2

MCP server "cwe-search-mcp" as configured in Bilel-Eljaamii/cwe-searchmcp. Runs locally from the cwe-search-mcp Python package.

not rated 7 1y ago A tokens not measured original MIT

pentestmcp

1186

YoussefSahnoun/PentestMCP

MCP server Claude CodeCodexCursor +2

This is an MCP server that exposes red team tools for active directory pentesting to LLMs. Runs locally from the pentestMCP Python package.

not rated 7 12mo ago A tokens not measured original MIT

burp

1187

titaniumtushar/burp-mcp-plus

MCP server Claude CodeCodexCursor +2

One of 2 in claude_desktop_config.json

MCP server "burp", hosted remotely at 127.0.0.1, as configured in titaniumtushar/burp-mcp-plus.

not rated 7 5d ago A tokens not measured original MIT

mcp-bastion

1188

vaquarkhan/MCP-Bastion

MCP server Claude CodeCodexCursor +2

Security middleware for MCP servers protecting LLM agents from prompt injection, resource exhaustion, and PII leakage. Runs locally from the mcp-bastion-python Python package.

not rated 7 yesterday A tokens not measured

swag-mcp

1189

jmagar/swag-mcp

Plugin Claude Code

Bundles 1 skill, 2 hooks, 1 MCP server · 118 tokens together

SWAG reverse proxy configuration management via MCP. Create, edit, view, and manage nginx proxy configurations with auth integration.

not rated 7 4d ago A tokens not measured original MIT

1password

1190

kcmadden/claude-code-1password-skill

Skill Claude CodeCodex

Integrate 1Password secrets management into Claude Code workflows. Use when the user wants to: store API keys or credentials in 1Password, read secrets from 1Password into scripts or config, set up .env files using 1Password secret references, rotate or update credentials, manage developer secrets across projects, use…

not rated 7 changed 1mo ago A 155 tokens original MIT

osmedeus-expert

1191

osmedeus/osmedeus-skills

Skill Claude CodeCodex

Expert guide for the Osmedeus security automation workflow engine. Use when: (1) writing or editing YAML workflows (modules and flows), (2) running osmedeus CLI commands (scan, workflow management, installation, server), (3) configuring steps, runners, triggers, or template variables, (4) debugging workflow execution…

not rated 7 7mo ago A 113 tokens

14-malware-analysis

1193

HankLEE-1/security-skills-consolidated

Skill Claude CodeCodex

A malware-analysis guide covering the process of examining harmful software, including static analysis and basic information about Windows PE files, the format used by many Windows programs.

not rated 8 +1 4mo ago A 0 tokens

ctf-pwn

1194

dailyyarn/CTF-agent

Skill Claude Code

Provides binary exploitation (pwn) techniques for CTF challenges. Use when exploiting buffer overflows, format strings, heap vulnerabilities (House of Orange, Spirit, Lore, Apple 2, Einherjar, tcache stashing unlink), race conditions, kernel bugs, ROP chains, ret2libc, ret2dlresolve, shellcode, GOT overwrite…

not rated 7 7mo ago A 137 tokens original MIT

jinyimeng01/net-code-audit-skill-master

Skill Claude CodeCodex

A security-audit topic for unsafe deserialization. Deserialization turns stored or received data back into program objects, and unsafe handling can create security risks.

not rated 7 6mo ago A 0 tokens MulanPSL-2.0

llm-redact

1197

asanderson/llm-redact

Plugin Claude Code

Bundles 11 commands, 1 hook · 214 tokens together

llm-redact proxy control: status, live traffic, sessions, redaction preview, routing and spend, audit verification, and guarded config editing as slash commands.

not rated 7 changed 22d ago A tokens not measured AGPL-3.0

enigmagent-vault

1198

Agnuxo1/EnigmAgent

Skill Claude CodeCodex

Use the EnigmAgent encrypted vault to handle credentials, API keys, and private documents without those values ever appearing in your reasoning or output. Placeholders are resolved at execution time.

not rated 7 +1 6d ago A 42 tokens original MIT

enigmagent-mcp

1199

Agnuxo1/enigmagent-mcp

MCP server Claude CodeCodexCursor +2

Local AES-256-GCM vault for AI agents. Secrets stay local, LLMs never see real API keys. Runs locally from the enigmagent-mcp npm package. Needs 2 environment variables to run.

not rated 7 1mo ago A tokens not measured original MIT

code-reviewer

1200

sjarmak/coding-agent-workflows

Agent Claude Code

Expert code review specialist. Proactively reviews code for quality, security, and maintainability. Use immediately after writing or modifying code. MUST BE USED for all code changes.

not rated 7 changed 1mo ago A 38 tokens original MIT

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: