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.
Remnux MCP Server
MCP server for using the REMnux malware analysis toolkit via AI assistants
OpenInvest
Research-grade investment decision engine for AI agents: isolated multi-agent committee, auditable verdicts, backtests with lookahead protection, published negative results
Dreamgraph
DreamGraph is a graph-governed conceptual development environment (CDE) that turns plans, architecture decisions, and project knowledge into auditable execution through a persistent cognitive graph.
MCP Rest API
A TypeScript-based MCP server that enables testing of REST APIs through Cline. This tool allows you to test and interact with any REST API endpoints directly from your development environment.
Jmeter MCP Server
Stdio MCP server to build, run and read reports for JMeter test plans
MCP Server
BitDive Model Context Protocol (MCP) server. The Autonomous Quality Loop for AI agents. Provides real runtime context, before/after trace comparison, and integration testing workflows.
MCP Server Security Standard
MCP Server Security Standard (MSSS): an open, testable security control standard for certifying MCP servers, with levels, evidence requirements, and reporting schemas.
MCP Zap Server
Give AI agents a safe, self-hosted ZAP operator for guided web security scans, findings, reports, and production guardrails.
MCP Security Testing Guide
OWASP MCP Security Testing Guide
MCP Server Fuzzer
Black-box security assessment for live MCP servers.
MCPSecBench
MCPSecBench: A Systematic Security Benchmark and Playground for Testing Model Context Protocols
MCP Cve Project
The Project shares all information on MCP related CVE's published
Agentshield
π‘οΈ The security firewall for AI agent tools & MCP servers (Claude 5, GPT-5.6, Gemini 3.8, Antigravity, Cursor, Codex, Hermes). Catch command injection, secret theft & toxic flows in <50ms. 100% offline Rust SAST + 1-click auto-fix + SARIF.
Claude Security Skills
25 production-tested defensive security skills for Claude Code - WordPress, VPS, Cloudflare, Next.js hardening, AI agent guardrails, MCP security, prompt injection defense, OWASP LLM Top 10, LLM coding failure modes (slopsquatting, hallucinated APIs, sycophancy), incident response, GDPR/DACH compliance. MIT, battle-tested.
Mcpflo
A visual testing tool for MCP (Model Context Protocol) servers β connect, browse capabilities, and inspect tools, resources, and prompts. Think Bruno, but for MCP.
MCP Box
Highly isolated Linux container environments optimized specifically for mcp-servers. Secure AI agent tool execution.
Platform
The approval and accountability layer for agentic AI. Identity β Policy β Approval β Trace. Try: npx sidclaw-demo
Mpak
Open-source package registry for MCP (Model Context Protocol) servers with built-in security scanning, trust scoring (L1-L4), and CLI. Every bundle verified across 25 supply-chain controls.
Agentleak
Open-source privacy testing for AI agents. Python SDK, CLI and MCP tools to detect data leaks across tool calls, memory, inter-agent messages and logs, with redacted reports and CI gates.
YeepForge
Automated web application penetration testing framework: OWASP Top 10 + advanced attacks, an autonomous AI agent (Ollama/Claude/OpenAI), SAST source-code analysis, and an MCP server, with professional CVSS-scored reports.
Golf Scanner
Discover and audit MCP servers for security vulnerabilities across Claude Code, Cursor, VS Code, and more
MCP Scribe
Point it at an OpenAPI schema. Get an MCP server.
ToolMesh
Self-hosted MCP gateway with authorization, credential injection, audit logging, and output policies. Includes DADL β describe REST APIs as MCP tools in YAML.
List refreshed November 15, 2026. Data comes from public GitHub repositories.