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.

mcp-server-malcolm

1777

nagameTW/mcp-server-malcolm

MCP server Claude CodeCodexCursor +2

MCP server for the Malcolm network traffic analysis platform (Zeek + Suricata + Arkime + OpenSearch + NetBox) — full read surface plus opt-in, audited write tools. Runs locally from the mcp-server-malcolm Python package.

not rated 2 6d ago A tokens not measured original MIT

eliniscan

1778

AlpYenigun/eliniscan

Plugin Claude Code

Bundles 9 commands · 161 tokens together

AI-powered full codebase scanner. Opens a separate Claude session for every file — reads every line, misses nothing. Finds bugs, security vulnerabilities, performance issues, and auto-fixes them.

not rated 2 2mo ago A tokens not measured original MIT archived

erniker/understudy

Instructions file GitHub Copilot

Instructions for erniker/understudy, covering 🎯 this file applies to all team agents, in vs code it auto-applies to all files (applyto: ""), in copilot cli it is activated with /instructions, │ what are guardrails? │ and │ │.

not rated 2 1mo ago A ✓ AI review 2,193 tokens original MIT

shield

1780

kobepaw/goop-shield-community

Skill Claude Code needs its repo

AI agent guardrails — defends prompts against injection attacks, jailbreaks, and evasion; scans LLM responses for leaked secrets and harmful content. Up to 36 inline defenses (24 default), 3 output scanners, and adaptive ranking. Keywords: shield, guardrails, prompt injection, defense, security, scan.

not rated 2 6mo ago A 67 tokens original Apache-2.0

chaos-mcp

1781

AraneaDev/Chaos-MCP

MCP server Claude CodeCodexCursor +2

security holding package. Runs locally from the chaos-mcp npm package.

not rated 2 8d ago A tokens not measured original MIT

presidio-v/presidio-hardened-x402-mcp

MCP server Claude CodeCodexCursor +2

MCP server exposing presidio-hardened-x402 pre-payment PII screening, policy, and replay-guard tools to autonomous agents. Runs locally from the presidio-hardened-x402-mcp Python package.

not rated 2 yesterday A tokens not measured original MIT

guard-x402-payments

1783

razel369/intentfence

Skill Codex

Guard an autonomous agent's x402 payment with the live IntentFence service before it signs. Use when an agent receives a PAYMENT-REQUIRED challenge, is about to pay an x402 endpoint, needs to enforce a USDC price ceiling or payee allowlist, or needs signed evidence that an exact Base USDC quote was checked. Also use…

not rated 2 3mo ago A 89 tokens original Apache-2.0

scanner

1784

RoscoNL/intodns-mcp-server

MCP server Claude CodeCodexCursor +2

DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools. Runs locally from the intodns-mcp npm package.

not rated 2 10d ago A tokens not measured original MIT

neura-openclaw-core

1785

neurarelay/relay-action-card

Skill Claude CodeCodex

Use when an OpenClaw-style or local autonomous computer-use agent needs a single Neura Relay preflight workflow for messages, file changes, browser submits, shell commands, package or publisher changes, workflow state, memory writes, or data exports before execution.

not rated 2 2mo ago A 58 tokens original MIT

mcp-gateway-scan

1786

willianpinho/mcp-gateway-scan

MCP server Claude CodeCodexCursor +2

Read-only MCP/agent-gateway readiness scanner — scores a repo across 7 security dimensions. Runs locally from the mcp-gateway-scan npm package.

not rated 2 3mo ago A tokens not measured original MIT

trestle

1787

toro-guapo/trestle

MCP server Claude CodeCodexCursor +2

Detects leaked secrets (API keys, tokens, private keys) in source code. Runs locally from the @trestlescan/mcp npm package.

not rated 2 4mo ago A tokens not measured original Apache-2.0

registry

1788

PolicyLayer/mcp

MCP server Claude CodeCodexCursor +2

The MCP server that vets MCP servers: identity, risk grade and per-tool risk before you install. Remote server at api.policylayer.com.

not rated 2 3mo ago A tokens not measured original MIT

xaps

1789

APMC1/xaps-sdk

MCP server Claude CodeCodexCursor +2

The Cognitive Circuit Breaker for Autonomous Agents. Runs locally from the xaps-sdk Python package. Needs 2 environment variables to run.

not rated 2 1mo ago A tokens not measured original MIT

agent-trust

1790

Garl-Protocol/garl

MCP server Claude CodeCodexCursor +2

One of 2 in server.json

Tamper-evident action receipts, trust scoring & capability tokens for AI agents. 29 MCP tools. Runs locally from the @garl-protocol/mcp-server npm package. Needs 3 environment variables to run.

not rated 2 1mo ago A tokens not measured original Apache-2.0 archived

kasbah-mcp

1791

Al-Adnane/Kasbah-Core

MCP server Claude CodeCodexCursor +2

Governance layer for agentic AI — signed, verifiable receipts for every agent action. Runs locally from the @yobekasbah/mcp-server npm package. Needs 2 environment variables to run.

not rated 2 26d ago A tokens not measured original MIT

kernel

1792

Actenon/actenon-kernel

MCP server Claude CodeCodexCursor +2

Open proof-required execution kernel for consequential actions. Runs locally from the actenon-kernel Python package.

not rated 2 4d ago A tokens not measured original Apache-2.0

code-review-agent

1793

GoodJobwilliam/aicraft

Skill Claude CodeCodex

Comprehensive code review with security, performance, and style analysis for Python, TypeScript, and Go. Detects OWASP Top 10 vulnerabilities, N+1 queries, race conditions, and logic errors before they reach production.

not rated 2 1mo ago A 46 tokens original MIT

GDPRShiftLeftMCP

1794

KevinRabun/GDPRShiftLeftMCP

MCP server Claude CodeCodexCursor +2

GDPR Shift-Left Compliance MCP Server — Azure-first GDPR guidance, code review, and audit tools. Runs locally from the gdpr-shift-left-mcp Python package.

not rated 2 8mo ago A tokens not measured original MIT

oss-boundary

1795

extralabs/octowatch-mcp-server

Cursor rule Cursor

Public OSS boundary — never leak secrets or proprietary source from private OctoWatch repos.

not rated 2 2mo ago A 330 tokens original MIT

verify-before-checkout

1796

dimitrilaouanis-tech/onyx-mcp

Skill Claude CodeCodex

Pre-checkout verification for shopping agents. Before transacting with any storefront the user didn't explicitly type, fetch Ed25519-signed merchant facts (domain age, TLS age, brand-lookalike score, price deviation) from the Onyx oracle over x402, verify the signature, and surface the facts to the buyer. Use whenever…

not rated 2 3mo ago A 89 tokens original MIT

mcpampel

1797

MCPAmpel/mcpampel

MCP server Claude CodeCodexCursor +2

MCP security scanner plugin - scan your installed MCP servers with 16 engines. Runs locally from the mcpampel Python package. Needs 1 environment variable to run.

not rated 2 7mo ago A tokens not measured original Apache-2.0

qorami

1798

loicfontaine-max/qorami-sdk

MCP server Claude CodeCodexCursor +2

Check an email before an AI agent sends it: send / ask a human / block. Detects prompt injection. Runs locally from the qorami-mcp npm package. Needs 1 environment variable to run.

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

aishield

1799

lm203688/aishield

Skill Claude CodeCodex

An AI and MCP security scanner aligned with the OWASP MCP Top 10, a list of common risks for tool-connected AI systems. It checks for issues such as prompt injection, command injection, poisoned tools, leaked secrets, unsafe permissions, supply-chain attacks, SSRF, and banned Chinese-language content.

not rated 2 changed 13d ago A 101 tokens original MIT

flagrix

1800

flagrix-io/flagrix-cli

MCP server Claude CodeCodexCursor +2

Scan GitHub repos and profiles for malware before cloning — commit-pinned risk verdicts for agents. Runs locally from the flagrix npm package. Needs 1 environment variable to run.

not rated 2 today A tokens not measured original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: