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.

supreme-ai-governance

1489

davccavalcante/supreme-coding-guidelines-skill.ah

Cursor rule Cursor

First-in-the-world AI governance and compliance discipline for AI Governance Officers, Compliance Leads, Risk Managers, DPOs, Legal Counsel, CISOs, and AI and ML and LLM engineers and architects. Operationalizes ISO/IEC 42001:2023 (AI Management System clauses 4 to 10, roughly 38 Annex A controls across 9 objectives…

not rated 4 4mo ago A 244 tokens

akirtok/preflight-security-audit

Plugin Claude Code

Bundles 1 skill, 1 command, 6 agents · 979 tokens together

Comprehensive 360 pre-ship audit: 61 checks across security, reliability, performance, AI/LLM, privacy/compliance, and launch readiness — including live-database, serverless/edge, GraphQL, client-side, and modern-attack (Trojan Source) checks. Reports a 0–100 security score with severity-ranked findings and proposes…

not rated 4 3mo ago A tokens not measured original MIT

omv-find

1491

bx33661/oh-my-vul

Skill Claude CodeCodex

Finds and ranks open-source packages worth auditing for passive CVE/VulDB research. Use when the user asks for vulnerability research targets, CVE hunting candidates, packages to audit, projects to fuzz, or /omv-find. Supports npm, Python, Go, Rust, Java, Ruby, PHP, C#, Swift, Dart, Elixir, Perl, R, and Lua, with…

not rated 4 2mo ago A 122 tokens original MIT

owndiff

1492

owndiff/own-your-diff

Plugin Claude Code

Bundles 2 skills · 184 tokens together

Local ownership gate and multiple choice question approval skill for AI-assisted code diffs.

not rated 4 3mo ago A tokens not measured original MIT

skill-governance

1493

matt-bat/agent-command-center

Skill Claude CodeCodex

Govern release-affecting, policy-changing, externally mutating, destructive, or otherwise high-risk work through typed effects, mandatory evidence, independent safety gates, and an explicit go/no-go decision. Do not use for ordinary answers, read-only inspection, tiny reversible edits, or a task made "multi-skill"…

not rated 4 2mo ago A 74 tokens

token-antiflash

1494

0xlayerghost/solidity-agent-kit

Skill Claude CodeCodex

When this skill is triggered, DO NOT directly implement all strategies. Follow this workflow.

not rated 4 changed 19d ago A 91 tokens original MIT

indykite-skills

1495

indykite/skills

Plugin Claude Code

Bundles 27 skills · 4,819 tokens together

IndyKite skills for coding agents — Agent Gateway deployment, Intent Agent calls (prompt to AuthZEN evaluations), MCP server calls, KBAC authorization policy authoring and lifecycle, AuthZEN decisions and search (single evaluation, batch evaluations, action / resource / subject search), runtime listing of a project's…

not rated 4 changed 3d ago A tokens not measured original Apache-2.0

stm

1497

matterhornso/subscribetome

Plugin Claude Code

Bundles 5 commands, 4 hooks · 70 tokens together

AI API key & subscription manager. Out-of-band key entry, OS-keychain storage, and a PreToolUse hook that injects real keys into commands so the model only ever sees placeholders.

not rated 4 changed 2mo ago A tokens not measured original MIT

vibecheck

1498

Wishmakingfairy/vibecheck

Plugin Claude Code

Bundles 4 skills, 1 agent, 1 hook · 239 tokens together

Stop shipping vulnerabilities. 156 automated security checks for Claude Code. Blocks exposed API keys, disabled Supabase RLS, missing rate limiting, open CORS, and 150+ more before they reach your codebase.

not rated 4 7mo ago A tokens not measured original MIT

agent-identity

1500

agentmessaging/agent-identity

Plugin Claude Code

Bundles 1 skill · 82 tokens together

Authenticate AI agents with auth servers using the Agent Identity (AID) protocol. Ed25519 identity documents, proof of possession, and OAuth 2.0 token exchange.

not rated 4 changed 9d ago A tokens not measured original MIT

code-reviewer

1501

osouthgate/agent-plus

Skill Claude Code

Reviews code for quality, bugs, security, and best practices. Use when changing code or before merge. Checks security, authentication, and validation; ensures new code follows project rules and conventions.

not rated 4 4mo ago A 42 tokens original MIT

web-security-guard

1502

ayalaphiscan/web-security-guard

Plugin Claude Code

Bundles 15 skills, 4 commands · 2,806 tokens together

Integrated security for websites and apps, built for social and location apps on Supabase too: hardening, SPA/front-end, OWASP API, secure Supabase (RLS, grants, Realtime, keys), location privacy and GDPR art. 9, trust & safety, incident response, domain and email, provider accounts, runtime patching, secure…

not rated 4 changed 14d ago A tokens not measured original MIT

feedback

1503

ch015/code-pentester

Command Claude Code

A design-stage security review for product requirement documents and other planning documents; a PRD is a document describing what a product should do.

not rated 4 changed 1mo ago A 21 tokens original MIT

smart-approval

1504

froggeric/claude-smart-approval

Plugin Claude Code

Bundles 1 hook

AI permission tier for Claude Code Bash commands: deny-list gate plus smart AI evaluation for unknown commands. Requires Claude Code >= 2.0.45, shfmt, jq (brew install shfmt jq).

not rated 4 changed 22d ago A tokens not measured original MIT

skillsafe-scanner

1505

adamoutler/joplin-server-vector-memory

Skill Claude CodeCodex

Run the skillsafe scan on the adamoutler/joplin-server-vector-memory package, then operate and improve/complete all issues identified. Use this when asked to scan or fix skillsafe issues.

not rated 4 8d ago A 45 tokens original ISC

review-guard

1506

eclipsesource/review-guard

MCP server Claude CodeCodexCursor +2

Safety boundary for agent written GitHub PR reviews: pending and invisible, submitting is opt-in. Runs locally from the @eclipsesource/review-guard-mcp npm package. Needs 1 environment variable to run.

not rated 4 1mo ago A tokens not measured original MIT

mcpvessel

1507

okedeji/mcpvessel

Skill Claude CodeCodex

Cage, run, and audit MCP servers with mcpvessel: install an MCP server into an isolated container, serve it to Claude Code, and watch what it does with the network and the user's secrets. Use this whenever the user mentions mcpvessel by name, or wants to add, install, set up, try, run, or sandbox an MCP server, or…

not rated 4 3mo ago A 152 tokens original Apache-2.0

6jeffr3y/burpsuite-mcp-bridge

Skill Codex

Operate BurpSuite MCP Bridge for professional, authorized web testing. Use when Codex needs to inspect Burp live/history/logger/selection traffic, prioritize one target, retrieve a decisive request/response, intercept and edit a request or response before forwarding, replay one controlled mutation, manage temporary…

not rated 4 4d ago A 92 tokens

skillsync-mcp

1509

adityasugandhi/skillsync-mcp

Skill Claude CodeCodex

Search, scan, install, and manage Claude Code skills with built-in security scanning. Every installation is gated behind a 60+ pattern threat scan.

not rated 4 3d ago A 0 tokens original MIT

toolpermit

1510

sunhao123456sun-svg/toolpermit

Skill Codex

Install, configure, operate, and troubleshoot ToolPermit, the local-first permission policy, one-time approval, and redacted audit layer for MCP stdio tool calls. Use when Codex needs to protect or inspect an MCP server, wrap an MCP stdio command, create or review allow/ask/deny policies, manage approvals, replay…

not rated 4 5d ago A 100 tokens original Apache-2.0

marq

1511

rhaist/marq

Skill Claude CodeCodex

Skill "marq" from rhaist/marq, covering marq — cyber assistant, start here — scope and domains, how to call a tool, discover tools and long-running scans.

not rated 4 changed 17d ago A 69 tokens AGPL-3.0

tool-gates

1512

camjac251/tool-gates

Plugin Claude Code

Bundles 2 skills · 460 tokens together

Intelligent permission gate for Claude Code shell, file, search, Skill, and MCP tool surfaces. AST-parses Bash commands, guards file reads/writes, and blocks configured tool invocations. Defers benign asks to CC's resolver so the prompt UI shows the 'Yes, and don't ask again for X' button, while keeping a deny floor…

not rated 4 2d ago A tokens not measured

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