Security & Testing MCP Servers for Perplexity

MCP server for GreyNoise API - Check if IPs are internet background noise or targeted attacks

MCP server for pixel-level image comparison using pixelmatch

Read-only runtime secret retrieval from HashiCorp Vault via Keymaster for autonomous AI agents.

Security grades (A-F) for MCP servers. Check one before you install or trust it. mcpgrade.dev

Network scanner for AI agents: discover hosts, scan TCP and UDP ports, query DNS and mDNS.

Free U.S. exclusion, debarment and licence screening with a signed receipt of the lists checked.

MCP server for Sophos Central MSSP multi-tenant management via XDR/MDR APIs

VillaGuard is a server for the Model Context Protocol (MCP) designed to protect your projects through proactive detection

Vinv runs, tests, and finds issues in your services — with zero code changes.

Ybe Check – security and compliance orchestrator for AI-generated repositories.

Scan codebases for LLM/AI SDK usage, exposed API tokens, and hardcoded secrets.

74 paid web-analysis APIs (SEO, security, TLS, DNS, email) as MCP tools. USDC via x402.

Auto-download & launch https://github.com/LinuxSuRen/atest-mcp-server

Security validation system for MCP server implementations with enterprise-grade authentication and authorization checks

MCP server for Cucumber Studio - test scenarios, action words, and execution data

MCP server for real-time dependency security — checks packages against CVE databases before your AI coding agent installs them. Works with

MCP server that simulates malicious behaviors for security testing

MCP server for Fake Store API - E-commerce data integration for Claude AI

Real-time sanctions screening, CVE, and company registry checks for agents.

MCP server for CISA's Known Exploited Vulnerabilities catalog

MCP server for integrating with JIRA's Zephyr test management system