Security

26,960 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.

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 603 1mo ago A SkillSpector: pass 145 tokens original Apache-2.0

elastic-cloud

147

elastic/agent-skills

Plugin Claude Code ✓ vendor

Bundles 2 skills · 151 tokens together

Elastic Cloud skills - project setup, access management, network security, and Serverless project lifecycle.

not rated 603 changed 8d ago A tokens not measured original Apache-2.0

jndi-map

148

X1r0z/JNDIMap

Skill Claude Code

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 6mo ago A SkillSpector: warn 103 tokens original MIT

c-safety-reviewer

149

ZacheryGlass/.claude

Agent Claude Code

Use this agent when C source files (.c, .h) have been created or modified, especially code involving memory allocation, file descriptors, sockets, cryptographic operations, credential handling, or external input parsing. Should be triggered on every code change to C files to catch resource lifecycle bugs and security…

not rated 600 +1 changed 7d ago A 492 tokens

cryptography

150

yhy0/CHYing-agent

Skill Claude Code

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

not rated 593 +2 6mo ago A SkillSpector: warn 22 tokens original MIT

registries-and-auth

153

vltpkg/vltpkg

Cursor rule Cursor

Multi-registry support and authentication system.

not rated 564 changed 13d ago A 0 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 562 +41 4d ago A SkillSpector: pass 94 tokens original Apache-2.0

security-audit

155

TheDecipherist/claude-code-mastery

Skill Claude CodeCodex

Audit code and dependencies for security vulnerabilities. Use when reviewing PRs, checking dependencies, preparing for deployment, or when user mentions security, vulnerabilities, or audit.

not rated 558 +1 6mo ago A SkillSpector: pass 36 tokens original MIT

bug-hunter

156

codexstar69/bug-hunter

Skill Claude CodeCodex

Precision-first adversarial bug hunting for runtime, logic, data, concurrency, and security defects. Uses deterministic risk triage, evidence-bounded retrieval, Hunter/Skeptic/Referee review, optional hybrid verification, and explicit immutable Fixer scope. Scan-only and single-pass by default; complete-coverage…

not rated 549 +4 changed 7d ago A 105 tokens original MIT

google/mcp-security

Skill Claude CodeCodex ✓ vendor

Helps the user configure the Google SecOps Remote MCP Server for Antigravity. Use this when the user asks to "set up" or "configure" the security tools for Antigravity.

not rated 537 +2 5d ago A SkillSpector: warn 48 tokens original Apache-2.0

deep-security-scan

159

CoWork-OS/CoWork-OS

Skill Codex

Use when the user asks for a deep, exhaustive, multi-pass, or variance-reducing repository-wide Codex Security scan. Run repeated independent repository-wide discovery passes with worker-specific threat models, semantically merge candidates, synthesize one canonical validation threat model, then run validation…

not rated 534 +18 yesterday A SkillSpector: warn 97 tokens original MIT

flounder

160

adshao/flounder

Skill Claude CodeCodex

Operates Flounder, an autonomous white-hat security auditor. Use when a user asks for a security audit, bug-bounty review, vulnerability investigation, or exploit proof for a public-source or authorized repository, source tree, package, smart contract, Solidity/EVM project, ZK or proof-system code, deployed address…

not rated 526 +1 changed 1mo ago A SkillSpector: warn 202 tokens AGPL-3.0

solana-foundation/solana-com

Skill Claude CodeCodex

Discover, verify, security-screen, and maintain Solana wallet products using the canonical local registry in packages/ecosystem-data and current web research. Use when asked to refresh wallet data, find new Solana wallets, add or remove wallets, check wallets for scam or security concerns, audit wallet features or…

not rated 525 +1 yesterday A SkillSpector: pass 96 tokens GPL-3.0

k8e-sandbox

163

xiaods/k8e

Skill Claude Code

Run a goal end to end inside an isolated K8E sandbox pod (gVisor / Kata / Firecracker) instead of on the host: exec bash / Python / Node / TypeScript, install packages, move files in and out, reuse one session across calls, snapshot and restore the workspace, run background jobs, and publish an in-sandbox service…

not rated 514 +2 changed 9d ago B SkillSpector: warn 188 tokens original Apache-2.0

slowmist/slowmist-agent-security

Skill Claude CodeCodex

Comprehensive security review framework for AI agents. Covers skill/MCP installation, GitHub repos, URLs/documents, on-chain addresses, products/services, and social shares. Built from real-world attack patterns and incident response experience.

not rated 513 +1 6mo ago A 50 tokens original MIT

dogwood

165

dogwood-policy/dogwood

Plugin Claude Code

Bundles 4 skills · 657 tokens together

Dogwood policy authoring tools for Claude Code. Bundles the autoformalize-policies skill, which turns a natural-language authorization requirement into a validated Dogwood (.dw) policy and checks it with the dogwood CLI.

not rated 512 +7 4d ago A tokens not measured original Apache-2.0

osint-recon

166

Unclecheng-li/DeepSec

Skill Claude CodeCodex

An OSINT guide for open-source intelligence, meaning information collected from publicly available sources. It organizes reconnaissance across servers, websites, domains, and, when appropriate, people.

not rated 507 +7 2mo ago A 42 tokens copy · 100% MIT

vibe-check-mcp-server

167

PV-Bhat/vibe-check-mcp-server

MCP server Claude CodeCodexCursor +2

Metacognitive AI agent oversight: adaptive CPI interrupts for alignment, reflection and safety. Runs locally from the @pv-bhat/vibe-check-mcp npm package. Needs 1 environment variable to run.

not rated 504 +1 5d ago A tokens not measured original MIT

owasp-audit

168

briiirussell/cybersecurity-skills

Cursor rule Cursor

Audit application source code against the OWASP Top 10:2025 categories — broken access control (incl. SSRF), security misconfiguration, software supply chain failures, cryptographic failures, injection, insecure design, authentication failures, software and data integrity, logging and alerting failures, mishandling of…

not rated 504 +16 changed 9d ago A 197 tokens original MIT

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