Security skills

19,357 tagged Security, measured the same way as everything else here.

Browse within: cybersecurity 368bug-bounty 226autonomous-pentesting 140openclaw 113claude-ai 83cloud-security 65aws 64ai-security 59redteam 59generative-ai 57ctf 56LangChain 53hacking 53penetration-testing 53

fastapi-guard

97

rennf93/fastapi-guard

Skill Claude CodeCodex

Production-ready security middleware for FastAPI. Use when adding IP filtering, rate limiting, per-route security decorators, route-resolution strict mode, global behavior rules, passive/log-only mode, or Guard Agent SaaS telemetry to a FastAPI app. Covers SecurityMiddleware setup, SecurityConfig tuning, and the…

not rated 813 today A 72 tokens original MIT

claude-authenticity

98

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 816 +4 1mo ago A 121 tokens original Apache-2.0

fix-ticket

99

hoophq/hoop

Skill Claude CodeCodex

Implement a Linear ticket end-to-end - fetch context, branch, code, tests, draft PR, update the ticket. Use when given a ticket ID like EVL-86 or DEP-123.

not rated 807 +2 today A 43 tokens original MIT

irsdl/webhacklist

Skill Claude CodeCodex

Reviews and repairs references already published in the Top 10 Web Hacking Techniques Markdown-and-PDF archive. Use for one article, one collection such as 2019 or YYYY-ai, or a bounded period when asked to audit, validate, verify, QA, sanity-check or proofread archived references; investigate wrong-page captures…

not rated 807 +2 2d ago A 242 tokens

CTF•密码学

101

asdfgh1445/ctf-super-hub

Skill Claude CodeCodex

A cryptography skill for solving capture-the-flag challenges, which are security puzzles that require finding and exploiting weaknesses. It covers algorithms, attacks, mathematical techniques, and zero-knowledge proofs.

not rated 796 +5 4mo ago A 72 tokens

security-patcher

102

gemini-cli-extensions/security

Skill Claude CodeCodex

Invoke this as your absolute first action before using any other tools whenever a user requests to fix, patch, or remediate a vulnerability. Do not perform manual research first.

not rated 791 +1 1mo ago A 38 tokens original Apache-2.0

code-review

103

juicesharp/rpiv-mono

Skill Claude CodeCodex

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 744 +31 2d ago A 100 tokens original MIT

auditing-skills

104

dbt-labs/dbt-agent-skills

Skill Claude CodeCodex

Use when checking skills for security or quality issues, reviewing audit results from skills.sh or Tessl, or remediating findings across published skills.

not rated 701 +4 yesterday B 34 tokens original Apache-2.0

arcjet/arcjet-js

Skill Claude CodeCodex

Integrate Arcjet security into a Claude Agent SDK agent using @arcjet/guard — wrap tool() handlers, screen inbound prompts with UserPromptSubmit, and deny unwrapped built-in/MCP tools with PreToolUse. Use when asked to add Arcjet to a Claude Agent SDK or Claude Code agent, rate limit its tools, screen inbound…

not rated 682 changed today A 92 tokens original Apache-2.0

forensics-kit

106

FrancescoStabile/numasec

Skill Claude CodeCodex

Digital forensics and incident response toolbox. Load when the operator asks about a pcap, a binary, a memory dump, a suspicious file, malware triage, IOC hunting, or post-incident analysis. Covers network (tshark), binaries (radare2, strings, binwalk, file, exiftool), memory (volatility), and pattern matching (YARA).…

not rated 740 +56 3mo ago A 101 tokens AGPL-3.0

encode-veris-incident

107

vz-risk/VCDB

Skill Claude CodeCodex

Encode a GitHub issue describing a data breach into a VERIS-schema JSON incident for VCDB. Invoke with a vz-risk/VCDB issue URL (e.g. https://github.com/vz-risk/VCDB/issues/23372) and an optional analyst GitHub handle. Reads the issue and its linked sources, finds an additional independent source via web search, maps…

not rated 670 1mo ago A 106 tokens

emiliaprotocol/emilia-protocol

Skill Claude CodeCodex

Verify the authenticity of AI-agent authorization receipts and human-device signoffs. Use this whenever a user shares a "trust receipt", an "authorization receipt", a "signoff", or WebAuthn/passkey approval evidence and asks whether it is valid, genuine, or tampered with. Pairs with the public EMILIA Protocol MCP…

not rated 649 +4 today A 94 tokens original Apache-2.0

abuse-hunter

109

nexu-io/harness-engineering-guide

Skill Claude CodeCodex

Detect and investigate bulk registration abuse on SaaS platforms. Given access to a user database (or exported CSV/JSON), run a multi-dimensional anomaly analysis — email domain clustering, registration tempo, UA fingerprinting, session structure, usage patterns, and credit consumption — to produce a scored abuse…

not rated 635 +10 4mo ago A 86 tokens original MIT

robel-auth

110

waynesutton/markdown-site

Skill Claude CodeCodexCursor

Integrate and maintain Robelest Convex Auth in apps by always checking upstream before implementation. Use when adding auth setup, updating auth wiring, migrating between upstream patterns, or troubleshooting @robelest/convex-auth behavior across projects.

not rated 629 +1 3mo ago A 52 tokens original MIT

alibaba/anolisa

Skill Claude CodeCodex ✓ vendor

A read-only tool for examining security events already saved by agent-sec-cli, a command-line security log. It can connect those events to an agent session, run, or trace.

not rated 618 +4 today A 145 tokens original Apache-2.0

svc-mobile-android

112

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 614 +37 2d ago A 66 tokens original MIT

jndi-map

113

X1r0z/JNDIMap

Skill Claude CodeCodex

Use this skill for JNDIMap, a JNDI injection framework for RMI, LDAP, and LDAPS. It helps run the jar, choose flags and ports, build JNDI URLs for Basic payloads, MemShell injection, BeanFactory bypasses, JDBC RCE, Tomcat XXE, Hessian, LDAP deserialization gadgets, custom scripts, and advanced options such as JShell…

not rated 601 +1 4mo ago A 103 tokens original MIT

provos/ironcurtain

Skill Claude CodeCodex

Reference vocabulary for designing instrumented harnesses that drive vulnerability discovery — design classes (trigger-driven vs coverage-driven), tiered scope (T1 isolated function / T2 multi-component / T3 full build), systematic input exploration, the two-coverage distinction (fuzzer-feedback vs audit)…

not rated 600 +4 yesterday A 147 tokens original Apache-2.0

berabuddies/Semia

Skill Claude CodeCodex

Download YouTube videos in various formats and qualities. Use when you need to save videos for offline viewing, extract audio, download playlists, or get specific video formats.

not rated 595 3d ago B 38 tokens original Apache-2.0

chainloop-dev/chainloop

Skill Claude CodeCodex

Reviews vulnerability policy violations for the chainloop project recorded in Chainloop and performs fixes in Dockerfiles or go.mod. Use when asked to fix vulnerabilities, review CVEs, or remediate security issues in chainloop.

not rated 583 3d ago A 48 tokens original Apache-2.0

js-reverse-automation

118

Fausto-404/js-reverse-automation--skill

Skill Claude CodeCodex

A workflow for examining JavaScript in a real browser to find where login data, API requests, form fields, or responses are encrypted or signed. It then produces code and connection documentation for using that logic elsewhere.

not rated 579 +5 1mo ago A 48 tokens original Apache-2.0

cryptography

119

yhy0/CHYing-agent

Skill Claude CodeCodex

Use when facing cryptography challenges involving cipher analysis, key recovery, mathematical attacks, or protocol weaknesses.

not rated 554 +27 4mo ago A 22 tokens original MIT

skylos-security

120

duriantaco/skylos

Skill Claude CodeCodex

Investigate and harden Skylos security behavior. Use when the user asks to validate a security finding, reproduce a scanner bypass, assess false negatives, review LLM evidence filters, analyze CI/cloud policy trust boundaries, classify severity, or add regression tests for security-sensitive analyzer behavior.

not rated 563 +2 today A 61 tokens original Apache-2.0

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