Why this server?
Closest functional match to a CyberChef-style MCP server: bundles many encoders/decoders, hashes, formatters, network diagnostics, and OSINT utilities in one server.
AlicenseAqualityCmaintenanceMCP server that lets AI agents use the Online Cyber Tools catalogue as a set of native MCP tools.1009 npm1MITWhy this server?
Provides security and developer utilities such as JWT decoding, HTTP header analysis, and phishing URL inspection, making it similar to CyberChef-style security tooling.
FlicenseNot gradedqualityDmaintenanceMCP server that provides AI clients with 26 security and developer tools, enabling tasks like JWT decoding, HTTP header analysis, and phishing URL inspection.-Why this server?
A broad security analysis and penetration-testing MCP server with 70+ tools including nmap, sqlmap, hydra, and frida.
FlicenseNot gradedqualityCmaintenanceMCP server for security analysis, reverse engineering, and penetration testing, providing 70+ tools (nmap, sqlmap, hydra, frida, etc.) with configurable backends (Docker Kali, WSL, SSH).-Why this server?
Offers 72 typed Kali Linux pentesting tools covering recon, web, Active Directory, cracking, C2, remote desktop, and tunneling.
AlicenseNot gradedqualityCmaintenanceThis MCP server offers 72 typed tools for Kali Linux pentesting, including recon, web, AD, cracking, C2, remote desktop, and tunneling. It provides structured JSON output, persistent session state, and auto-populated findings for streamlined workflows.MITWhy this server?
Exposes standard penetration-testing utilities like Nmap, SQLMap, and OWASP ZAP as MCP-callable tools.
FlicenseNot gradedqualityBmaintenanceAn MCP server that exposes over 20 standard penetration testing utilities, such as Nmap, SQLMap, and OWASP ZAP, as callable tools for AI agents. It enables natural language control over complex security workflows for automated and interactive penetration testing.105-Why this server?
Focused on offensive-security tooling, including reconnaissance, CVE intelligence, JavaScript analysis, HTTP probing, and port scanning.
AlicenseAqualityBmaintenanceMCP server for offensive-security tooling, enabling AI agents to run reconnaissance, CVE intelligence, JavaScript analysis, HTTP probing, and port scanning against authorized targets.10MITWhy this server?
Provides cybersecurity tools such as port scanning, WHOIS, DNS, threat intelligence, and CVE lookup, fitting a pentesting-adjacent use case.
FlicenseNot gradedqualityCmaintenanceA production-style MCP server providing AI models with cybersecurity tools including port scanning, WHOIS, DNS, threat intelligence, CVE lookup, and more.-Why this server?
A security-testing MCP server with 51 tools for penetration testing, network forensics, memory analysis, and vulnerability assessment.

operant-mcpofficial
AlicenseAqualityFmaintenanceA comprehensive security testing MCP server providing 51 tools for penetration testing, network forensics, memory analysis, and vulnerability assessment. It enables automated security audits and technical investigations across web applications, cloud environments, and network captures.51110 npm24MITWhy this server?
Performs OSINT and network reconnaissance tasks using common recon tools, relevant to pentesting workflows.
FlicenseNot gradedqualityDmaintenanceMCP server to perform various OSINT tasks by leveraging common network reconnaissance tools.48-