Security & Testing MCP Servers
Compare the best open-source MCP servers for security & testing. Scanners, pentest helpers and test automation. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.
Hexstrike AI
HexStrike AI MCP Agents is an advanced MCP server that lets AI agents (Claude, GPT, Copilot, etc.) autonomously run 150+ cybersecurity tools for automated pentesting, vulnerability discovery, bug bounty automation, and security research. Seamlessly bridge LLMs with real-world offensive security capabilities.
Viper
Adversary simulation and Red teaming platform with AI
Open Ontologies
Plan, apply and roll back changes to a production ontology, with a blast radius report and a proof an auditor can re-check.
Qu1cksc0pe
All-in-One malware analysis tool.
Cve MCP Server
Production-grade MCP server giving Claude 27 security intelligence tools across 21 APIs — CVE lookup, EPSS scoring, CISA KEV, MITRE ATT&CK, Shodan, VirusTotal, and more.
LitterBox
A self-hosted sandbox for red teams to test payloads against modern detection before deployment. MCP integration lets an LLM agent drive analysis end to end.
Damn Vulnerable MCP Server
Damn Vulnerable MCP Server
Reverify
Stop your AI from making things up — it proposes, deterministic tools decide, every claim checked against ground truth with evidence. Grounded facts and context survive resets. Reverse engineering is the proving ground. MCP server + CLI.
Reticle
AI agents can generate code, but still struggle to understand what they build. Reticle brings Jev-style machine-native runtime perception to web & desktop applications.
MCP Scanner
Scan MCP servers for potential threats & security findings.
Agentic Radar
A security scanner for your LLM agentic workflows
Wassette
Wassette: A security-oriented runtime that runs WebAssembly Components via MCP
MCP Kali Server
MCP configuration to connect AI agent to a Linux machine.
Sonarqube MCP Server
Official SonarQube MCP Server for code quality and security in AI agents
Aletheore
Open source (AGPL-3.0) evidence-grounded repository audit CLI - deterministic scanner, MCP server, live dashboard, and a GitHub Action that posts PR diffs.
Agent Opfor
Open-source adversary emulation for AI agents and MCP servers.
Mitsu
Meet Mitsu, your chibi red-team operator. Connect your AI provider, set the scope, and she can take an authorized pentest from recon and attack-surface mapping through vulnerability discovery, > exploitation, and post-exploitation, armored with 165+ MCP-connected tools and live session intel. Guide every step or let her pwn autonomously. ( ◠‿◠)
MCP Ssh Manager
MCP server for SSH: let Claude Code, Codex and any MCP client run commands, transfer files and manage servers over SSH, with human approval, an encrypted vault and a live audit trail. Desktop app and CLI included.
Darknet MCP Server
66-tool MCP server for dark web intelligence — breach data, ransomware tracking, Tor .onion access, malware analysis, blockchain intel, exploit search, stealer logs
Blitzstrike
Blitz Strike — a universal MCP security-audit toolbelt. Reconnaissance at speed. Analysis in depth. Validation before report.
Mcpmark
MCPMark is a comprehensive, stress-testing MCP benchmark designed to evaluate model and agent capabilities in real-world MCP use.
Evil Winrm Py
Execute commands interactively on remote Windows machines using the WinRM protocol (just faster)
Laradashboard
⚡ Lara Dashboard - CMS by Laravel - All In One solution to start your Laravel Application from Basic to Enterprise. Manages Users, Roles, Permissions, Modules, Settings, Translations, Contents, Monitoring and every actions of your Laravel application. Complete solution for Laravel application with Tailwind, Livewire, Rest API, Unit-Tests and more.
Flutter Skill
AI-powered E2E testing for 10 platforms. 253 MCP tools. Zero config. Works with Claude, Cursor, Windsurf, Copilot. Test Flutter, React Native, iOS, Android, Web, Electron, Tauri, KMP, .NET MAUI — all from natural language.
List refreshed November 15, 2026. Data comes from public GitHub repositories.