Security skills

18,839 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

secure-browser

721

tkhq/secure-browser-mcp

Skill Claude CodeCodex

Fill stored secrets (passwords, card numbers, API keys) into web pages through the secure-browser MCP server without ever seeing the secret values. Use when a task needs a login, checkout, payment form, or any credential entered into a website and the credentials live in a secret store rather than in the conversation.

not rated 6 changed today C 66 tokens

agent-integrity

723

agentrust-io/integrations

Skill Claude CodeCodex

Verify or approve a workspace-scoped Codex agent baseline, inspect configuration drift, or generate signed Agent Manifest and TRACE Level 0 session records.

not rated 6 yesterday A 33 tokens original Apache-2.0

scan-site

724

Cantara/kcp-triage

Skill Claude CodeCodex

Full site triage workflow: init → crawl → classify → security audit → synthesize → generate project → KCP manifest → report. Use when triaging a new website end-to-end, re-running a scan, or debugging pipeline failures.

not rated 6 4d ago A 51 tokens

rust-security-auditor

725

ctresb/hermes-security-auditor

Skill Claude CodeCodex

Use when auditing Rust backend code (Axum/Actix/Rocket/Tower) with PostgreSQL or similar relational stores; async runtimes, SQLx/Diesel/SeaORM, OAuth/OIDC, sessions, multi-tenant/RLS, connection pooling, migrations, crypto/secrets, dependency supply chain, unsafe boundaries, CI/CD, containers/IaC, GraphQL/gRPC…

not rated 6 +1 4mo ago B 131 tokens original MIT

cordon-install

726

ilyautov/cordon

Skill Claude Code

Install Cordon, a deterministic layer between untrusted content and agent actions, and verify that the harness actually calls it. Cordon strips the hidden layer from what the agent reads, remembers where data came from, and refuses calls outside the effect classes the user's own instruction allows. No model call on…

not rated 6 3d ago A 156 tokens original MIT

nist-control-mapping

727

adhocteam/activate-framework

Skill Claude CodeCodex

Add traceable NIST SP 800-53 control annotations to source code, infrastructure-as-code, and other technical files, then roll them up into control and evidence documents. Use when mapping implementation artifacts to controls or preparing code-level evidence for an ATO package.

not rated 6 6d ago A 58 tokens original MIT

api-scam-hunter

728

astrozeta/api-scam-hunter

Skill Claude CodeCodex

Detects whether a purchased AI API key/endpoint (Claude/Anthropic, OpenAI, etc.) — often bought cheap from a reseller or marketplace like GamsGo — is actually a man-in-the-middle proxy that intercepts, rewrites or degrades traffic. Trigger when the user says things like "I bought a third-party API key", "is this…

not rated 5 4mo ago A 167 tokens original MIT

devinbarry/longline

Skill Claude Code

Use when scoping allow/ask rules for a command family (kubectl, oc, terraform, aws, gcloud, docker, etc.) to one repository so routine invocations stop prompting only inside that repo. Triggers include "allow kubectl in this repo", "stop asking about X commands", "add longline rules for this project", "allowlist…

not rated 5 26d ago B 102 tokens original MIT

security-iac-triage

730

ch0ks/hackarandas-claude-toolbelt

Skill Claude Code

Triage security findings from Semgrep Pro and Claude security-code-review using IaC files as deployment context (Terraform, Kubernetes, Docker Compose, CloudFormation, Azure Pipelines). Detects whichever IaC files are present, extracts deployment facts, scores each finding with CVSS 4.0 with per-vector justification…

not rated 5 6mo ago A 168 tokens original MIT

secure-flow

731

plutosecurity/secure-flow

Skill Claude CodeCodex

A comprehensive security skill that integrates with Secure Flow to help AI coding agents write secure code, perform security reviews, and implement security best practices. Use this skill when writing, reviewing, or modifying code to ensure secure-by-default practices are followed.

not rated 5 11mo ago A 51 tokens

web-security-reviewer

732

goingli0324/web-security-reviewer

Skill Claude CodeCodex

A defensive review of web application code for security weaknesses, data-leak risks, performance risks, and code-quality problems. It covers Google Apps Script, browser code, and server APIs written in languages such as Node, Python, or PHP.

not rated 5 3mo ago A 441 tokens original MIT

audit

733

danygiguere/audit-skills

Skill Claude CodeCodex

Full security, correctness, and operability audit of code. Use when reviewing a diff, endpoint, or feature for vulnerabilities or bugs without a specific topic in mind — security review, audit, code review for safety, "check this for issues".

not rated 5 changed 2d ago A 51 tokens original MIT

skill-guardian

734

0xtresser/skill-guardian

Skill Claude CodeCodex

Pre-installation security gate for agent skills. This skill should be used when the user or agent attempts to install any skill — including requests like "install X", "add X skill", "help me set up the X skill", "npx skills add", or when the agent autonomously decides to install a skill. Also triggers on skill cleanup…

not rated 5 7mo ago B 125 tokens original MIT

cortex-secrets

736

davideuler/cortex-auth

Skill Claude CodeCodex

How to autonomously obtain secrets and API keys from a Cortex Auth server and launch projects with those secrets injected as environment variables — without any human intervention to configure keys. Use this skill whenever you need to: Run a project that requires API keys (OpenAI, Anthropic, SMTP, database passwords…

not rated 5 6mo ago B 161 tokens

raigo-owasp-llm

738

PericuloLimited/raigo

Skill Claude CodeCodex

RAIGO × OWASP LLM Top 10 — official OWASP LLM Application Security Top 10 (2025) enforcement rules for Hermes agents. Covers all 10 OWASP LLM risks: prompt injection, insecure output handling, training data poisoning, model denial of service, supply chain vulnerabilities, sensitive information disclosure, insecure…

not rated 5 7mo ago C 120 tokens archived

supply-chain-sentinel

739

aajj68/supply-chain-sentinel

Skill Claude CodeCodex

Security scanner for supply chain attacks, malicious dependencies, prompt injection, and suspicious code patterns. Use this skill whenever the user asks to audit a project, scan for malicious packages, check dependencies for threats, look for prompt injection, detect typosquatting, review supply chain security, or…

not rated 5 7mo ago B 159 tokens copy · 100% MIT

MG-Cafe/agentic-coder-shield

Skill Claude Code

Security-hardened agentic coding assistant with 3 defense layers — input scanning, tool boundaries, and output scanning via Model Armor.

not rated 5 7mo ago C 33 tokens

security

741

olucasevangelista/security-skill

Skill Claude CodeCodex

Secure web and desktop application development. Use when writing authentication, authorization, API endpoints, form handling, database queries, file uploads, Electron apps, Tauri apps, IPC handlers, cryptography, secrets management, security headers, input validation, or when reviewing code for vulnerabilities. Covers…

not rated 5 7mo ago A 87 tokens

Veritas Acta Verify

742

VeritasActa/verify

Skill Claude Code

Signs every Claude Code tool call with an offline-verifiable Ed25519 receipt. Lets you audit exactly what Claude did and when, without trusting any server.

not rated 5 changed 1mo ago A 37 tokens original Apache-2.0

nis2-compliance

743

fltman/nis2-compliance-agent

Skill Claude Code

NIS2 directive compliance knowledge and checklists for cybersecurity requirements assessment.

not rated 5 7d ago A 18 tokens original MIT

obfuscation-bypass

744

punishell/SKILLS

Skill Claude CodeCodex

Use this skill when the user wants to encode or obfuscate a prompt to evade content filters, use Base64, Hex, Leetspeak, Caesar cipher, Unicode encoding, Zero-Width characters, Variant Selector, Sneaky Bits, JSON wrapping, Synonym Substitution, Pig Latin translation, Chinese language bypass, Code Comment Smuggling…

not rated 5 7mo ago A 130 tokens

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