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116,804 servers. Updated
20 Best Security MCP Servers: compared and ranked, November 2026Ranked from 4,408 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    C
    maintenance
    Enables searching and bidirectional mapping of 1,451 security controls across 262 SCF-mapped frameworks, including ISO 27001, NIST CSF, DORA, and many others, through natural language queries.
    14
    701 PyPI
    9
    Apache 2.0
  • F
    license
    A
    quality
    C
    maintenance
    A read-only MCP server for bounded table discovery, deterministic profiling, and maintained-library statistical testing (Welch's t-test and two-proportion z-test) using SQLite, pandas, SciPy, and statsmodels.
    3
    1
    -
  • A
    license
    A
    quality
    B
    maintenance
    Enables calculation of the 2025-2028 federal overtime, tips, and senior deductions — applying IRS caps, MAGI phase-outs, and bracket tables — plus eligibility explanations and estimated federal tax savings.
    5
    340 npm
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    A Model Context Protocol server that exposes a hospital-oriented web application firewall engine for AI assistants. It enables request inspection against curated security rules and provides tools for rule management and security testing.
    4
    MIT
  • F
    license
    A
    quality
    D
    maintenance
    Enables comprehensive vulnerability scanning using Nuclei scanner with support for single targets, network ranges, and cluster-wide security assessments with customizable severity levels and automated scheduling.
    8
    -
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to execute security testing tools on a Kali Linux machine over SSH, including reconnaissance, web app scanning, and static/dynamic analysis.
    11
    9 npm
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Provides a security governance layer for AI agents to safely access upstream MCP servers, enforcing tool-level RBAC, parameter constraints, authentication via static tokens or OIDC, and tamper-evident audit logging.
    2
    1
    Apache 2.0
  • A
    license
    A
    quality
    C
    maintenance
    Enables AI agents and developers to audit any URL or domain for seven critical OWASP HTTP security headers, returning an A+ to F grade plus actionable Nginx, Apache, Caddy, and Cloudflare remediation snippets. It also probes /.well-known/security.txt and /security.txt to surface responsible vulnerability disclosure contacts, bug bounty scopes, and PGP keys.
    2
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    Zero-trust safety & settlement rail for autonomous AI agents. Sub-10ms deterministic guardrails, secret leak defense, bounded wallet controls, and on-chain Proof-of-Safety attestations via x402.
    15
    273 PyPI
    3
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    Provides a universal developer operations and diagnostics toolkit with sandboxed code execution, algorithm stress testing, security secret scanning, AST-based code fixes, and a visual dashboard for ERD, port/process inspection, and differential testing.
    28
    25 npm
    3
    MIT
  • A
    license
    B
    quality
    C
    maintenance
    Enables comprehensive security testing and penetration testing through natural language conversations with 92+ tools for reconnaissance, vulnerability assessment, web application testing, OSINT, and reporting. Designed for authorized bug bounty hunting and security assessments.
    53
    44
    MIT
  • A
    license
    B
    quality
    F
    maintenance
    This server integrates with GitHub Advanced Security to load security alerts and bring it into your context. Supports Dependabot Security Alerts, Secret Scanning Alerts, Code Security Alerts
    3
    6 npm
    5
    MIT
  • A
    license
    B
    quality
    D
    maintenance
    Connects AI clients to Tenable OT Security, exposing OT/ICS asset inventory, vulnerabilities, events, policies, and findings as read tools, with an opt-in dry-run write layer for asset edits and policy management.
    59
    Apache 2.0
  • A
    license
    C
    quality
    D
    maintenance
    A Model Context Protocol server designed for testing backend APIs for security vulnerabilities like authentication bypass, injection attacks, and data leakage.
    14
    16
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    A TypeScript MCP server delivering a vendored 'dangerous skills' corpus and adversarial fixtures over MCP for security-research testing, supporting SEP-2640 skill delivery with archive-safety hardening.
    2
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables querying SAP Security Note metadata including Patch Day releases, CVSS scores, CVEs, affected components, and actively-exploited status via the Model Context Protocol.
    2
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables AI assistants to retrieve Social Security COLA and yearly limits, calculate benefit increases and earnings-test withholding, and determine full retirement ages and claiming-age benefits from SSA-sourced data.
    MIT
  • A
    license
    Not graded
    quality
    Not graded
    maintenance
    Enables AI-assisted penetration testing by connecting MCP clients to a Windows API server for executing penetration testing tools like nmap, ffuf, nuclei, and other security tools. Allows AI agents to perform automated security assessments, solve CTF challenges, and assist with ethical hacking tasks through natural language commands.
    10
    -
  • A
    license
    Not graded
    quality
    D
    maintenance
    A Model Context Protocol (MCP) server that enables AI assistants to perform comprehensive AWS security analysis through natural language queries, bridging AI with AWS security services.
    2
    Apache 2.0