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.

llm-sast-scanner

241

SunWeb3Sec/llm-sast-scanner

Skill Claude CodeCodex

General-purpose Static Application Security Testing (SAST) skill for code vulnerability analysis. Trigger when the user asks to: "analyze code for vulnerabilities", "review code security", "find security bugs", "do a SAST scan", "check for [vulnerability type] in code", "audit source code", or requests a security code…

not rated 291 +1 2mo ago A 100 tokens

caido-mode

242

caido/skills

Skill Claude CodeCodex

Full Caido SDK integration for Claude Code. Search HTTP history with HTTPQL, test with curl proxied through Caido (caching auth in reusable static curl config files), add match & replace rules, and organize handoffs into named replay sessions and collections - all via the official @caido/sdk-client. PAT auth…

not rated 287 +1 2d ago C Socket: warnSnyk: pass 70 tokens original MIT

hermes-vault-access

243

asimons81/hermes-vault

Skill Claude CodeCodex

Use Hermes Vault as the canonical credential broker for Hermes and persistent sub-agents.

not rated 282 1mo ago A SkillSpector: pass 22 tokens original MIT

falcon-mcp

244

CrowdStrike/falcon-mcp

MCP server Claude CodeCodexCursor +2

CrowdStrike Falcon MCP Server. Runs locally from the falcon-mcp Python package. Needs 12 environment variables to run.

not rated 278 +4 3d ago A tokens not measured original MIT

raptor-loop-hunt

245

dinosn/raptor-loop-hunt

Plugin Claude Code

Bundles 1 skill · 165 tokens together

Autonomous, looping, multi-altitude security vulnerability hunt for a codebase — the RAPTOR 'Karpathy auto-research' generate -> adversarially-judge -> verify loop that finds far more bugs than a single-pass scan.

not rated 277 +7 changed 2mo ago A tokens not measured original MIT

cyberowlai

247

karimhabush/cyberowl

Skill Claude CodeCodex

Check if recent cybersecurity alerts from 10 international CERTs affect your current project. Use when the user asks about security vulnerabilities, CVEs, "is my project affected", "any new security alerts", "check for vulnerabilities", "cyberowlai", or "/cyberowlai". Also trigger when the user is working on…

not rated 264 +1 yesterday A SkillSpector: pass 155 tokens original MIT

dengyier/OpenWorkProof

Skill Claude CodeCodex

Review supplied Slips alerts with OpenWorkProof's reference SOC workflow and verify its signed evidence bundle. Use for alert investigation and evidence review; connecting MCP alone does not activate endpoint protection.

not rated 263 +1 2d ago A 44 tokens original Apache-2.0

secskills

249

Arenbai/SecSkills

Skill Claude Code

A Chinese-language guide for authorized penetration testing, covering information gathering, vulnerability discovery, exploitation, and post-exploitation. Penetration testing is security testing that imitates an attack on a specified target.

not rated 261 +1 changed 1mo ago A 157 tokens original MIT

mcp-defender-overview

250

MCP-Defender/MCP-Defender

Cursor rule Cursor

MCP Defender is a security application designed to monitor and protect Model Context Protocol (MCP) communications. It intercepts tool calls and responses, verifying them against security signatures to prevent potentially harmful operations. The following is a breakdown of the key components and files.

not rated 255 5mo ago A 993 tokens AGPL-3.0

wstg-pentest

251

bhavsec/autopentest-ai

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "wstg-pentest" as configured in bhavsec/autopentest-ai. Launched with uv --directory ./server run server.py.

not rated 246 +1 8mo ago A tokens not measured original Apache-2.0

HCL_Terraform_rules

252

wiz-sec-public/secure-rules-files

Cursor rule Cursor

Enforce secure infrastructure-as-code best practices for HCL/Terraform configurations to prevent common cloud security misconfigurations.

not rated 244 10mo ago A 1,211 tokens

review

253

morganlinton/Albatross

Skill Claude CodeCodex

Review a change for correctness, security, and missing tests.

not rated 243 +1 1mo ago A SkillSpector: pass 14 tokens original MIT

PreToolUse

254

johnkf5-ops/the-dev-squad

Hook Claude Code

One of 2 in settings.json

Runs before the agent uses a tool, executing approval-gate.sh. From johnkf5-ops/the-dev-squad.

not rated 240 6mo ago A tokens not measured original MIT

claude-cybersecurity

256

AgriciDaniel/claude-cybersecurity

Plugin Claude Code

Bundles 1 skill · 201 tokens together

AI-powered cybersecurity code review with 8 specialist agents, OWASP Top 10:2021, CWE Top 25:2024, MITRE ATT&CK v15, and framework-aware false-positive suppression.

not rated 237 6mo ago A tokens not measured original MIT

api-spectral

257

AgentSecOps/SecOpsAgentKit

Skill Claude CodeCodex

API specification linting and security validation using Stoplight's Spectral with support for OpenAPI, AsyncAPI, and Arazzo specifications. Validates API definitions against security best practices, OWASP API Security Top 10, and custom organizational standards. Use when: (1) Validating OpenAPI/AsyncAPI specifications…

not rated 232 +4 6mo ago A 138 tokens

gograph

258

ozgurcd/gograph

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 69 tokens together

Claude Code workflow guidance for local gograph: AST-aware call graphs, impact, security-flow candidates, and 61 query, analysis, and workflow capabilities through a separately registered MCP server.

not rated 231 +1 yesterday A tokens not measured original MIT

pytm

259

rohunj/claude-build-workflow

Skill Claude CodeCodex

Python-based threat modeling using pytm library for programmatic STRIDE analysis, data flow diagram generation, and automated security threat identification. Use when: (1) Creating threat models programmatically using Python code, (2) Generating data flow diagrams (DFDs) with automatic STRIDE threat identification…

not rated 230 9mo ago A 125 tokens

Read-only review

260

Ryder-MHumble/Meldwork

Skill Claude CodeCodex

Review the selected implementation and report correctness, security, and maintainability findings. Do not modify workspace files.

not rated 230 1mo ago A SkillSpector: pass 3 tokens original Apache-2.0

better-auth/skills

Skill Claude CodeCodex

Configure rate limiting, manage auth secrets, set up CSRF protection, define trusted origins, secure sessions and cookies, encrypt OAuth tokens, track IP addresses, and implement audit logging for Better Auth. Use when users need to secure their auth setup, prevent brute force attacks, or harden a Better Auth…

not rated 229 +2 18d ago A 70 tokens

aki77/activestorage-validator

Skill Claude CodeCodex

Validate ActiveStorage attachments (content type, file size, file extension) with the activestorage-validator gem's blob validator. Use when adding validations to hasoneattached / hasmanyattached attributes.

not rated 226 4mo ago A SkillSpector: pass 48 tokens original MIT

node9

263

node9-ai/node9-proxy

MCP server Claude CodeCodexCursor +2

Access control for AI agents and MCP servers: allow, hold for approval, or block each tool call. Runs locally from the node9-ai npm package.

not rated 225 +2 2d ago A Socket: pass tokens not measured original Apache-2.0

penetration-flow

264

lingbol088-spec/ReiPenFlow

Skill Codex

Guided workflow for authorized penetration testing, vulnerability validation, security reporting, CTF/local sandbox reverse engineering, and user-directed vulnerability research. Use when Codex is asked to run or plan a security assessment, triage a target or artifact, maintain pentest state, produce interim/final…

not rated 222 3mo ago A SkillSpector: pass 144 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: