Security skills

18,920 tagged Security, measured the same way as everything else here.

Browse within: cybersecurity 506bug-bounty 238agent 230autonomous-pentesting 178generative-ai 178LangChain 177hacking 176skills 132claude-ai 104LLM 101agentic-ai 87ai-security 76openclaw 71antigravity 63

PlamenTSV/plamen

Skill Claude CodeCodex

L1 trigger - detects non-determinism, state transition completeness violations, and safety/liveness invariant breaks in consensus code. Inject into depth-consensus-invariant or depth-state-trace.

not rated 312 +3 1mo ago A SkillSpector: pass 45 tokens original MIT

happy-app-audit

170

iamzhihuix/happy-claude-skills

Skill Claude CodeCodex

Audit a local macOS app's telemetry / reporting behavior using static analysis only. Reverse-engineers an .app bundle to identify embedded SDKs (AppLog/TEA, Parfait, TTNet, mars, MMKV, Sentry, Firebase, Bugly, Umeng, etc.), mapped upload endpoints, local on-disk queues, and privacy-relevant fields — without packet…

not rated 306 6mo ago A 152 tokens original MIT

sigcli

172

sigcli/sigcli

Skill Claude CodeCodex

Guide Claude to use SigCLI correctly — check auth, login, get credentials, configure providers, and onboard new websites. Trigger when using sig commands, editing /.sig/config.yaml, or needing authenticated API access.

not rated 292 1mo ago A SkillSpector: warn 45 tokens original MIT

llm-sast-scanner

174

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 290 +2 2mo ago A 100 tokens

caido-mode

175

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 286 +1 8d ago C Socket: warnSnyk: pass 70 tokens original MIT

hermes-vault-access

176

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

cyberowlai

178

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

180

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 +2 changed 1mo ago A 157 tokens original MIT

review

181

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

api-spectral

182

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

pytm

183

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

184

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 16d 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

deepsec

187

first-fluke/fullstack-starter

Skill Claude Code

Drive the oma-deepsec skill end-to-end. Installs .deepsec/, calibrates cost, runs the right scan/process/triage/revalidate/export pass, gates PRs with process --diff, writes custom matchers, and routes findings to follow-up specialists.

not rated 225 2d ago A SkillSpector: pass 62 tokens original MIT

auth-guide

188

makenotion/notion-cookbook

Skill Claude Code

Guide to setting up third-party authentication for a Notion Worker. Covers brokered credentials for external-service API keys / personal access tokens, OAuth, and plaintext environment secrets only when worker code needs the value. Use when the worker needs credentials for a non-Notion API, not for Notion API tokens…

not rated 223 +1 today A SkillSpector: warn 70 tokens original MIT

penetration-flow

189

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

agent-access

190

bitwarden/agent-access

Skill Claude Code

Retrieve login credentials, API keys, and secrets (username, password, TOTP) from the user's Bitwarden vault via aac. Use when you need credentials to sign into a website or service, or need an API key.

not rated 218 +9 8d ago A SkillSpector: pass 49 tokens original Apache-2.0

graniet/kheish

Skill Claude CodeCodex

Pre-commit verification pipeline — static security scan, baseline-aware quality gates, independent reviewer subagent, and auto-fix loop. Use after code changes and before committing, pushing, or opening a PR.

not rated 218 +1 3mo ago A SkillSpector: warn 41 tokens original Apache-2.0

ffuf-web-fuzzing

192

jthack/ffuf_claude_skill

Skill Claude CodeCodex

Expert guidance for ffuf web fuzzing during penetration testing, including authenticated fuzzing with raw requests, auto-calibration, and result analysis.

not rated 216 +2 1y ago A 34 tokens

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