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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
    Not graded
    quality
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    maintenance
    Enables querying normalized real-world asset data through MCP tools, including listing assets, retrieving asset details, comparing yields against SOFR, and checking eligibility by jurisdiction.
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Per-unit cost of 13 back-office tasks done by a person vs by software, in the US, Greece and Ukraine, with an official statistic behind every hourly wage. Bundled data, works offline.
    5
    45 npm
    MIT
  • F
    license
    A
    quality
    C
    maintenance
    An MCP server that lets AI clients search and retrieve Doctor of Credit articles, categories, and deals via flexible tools, interpreting article content at request time.
    8
    1
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    license
    A
    quality
    A
    maintenance
    Bilingual (EN/ES) AI-writing detection that shows the evidence instead of a percentage: named tells with line and column, hidden-character inspection, and citation cross-checking against a document's own bibliography. Seven of its nine tools run entirely locally and never touch the network.
    10
    30
    MIT
  • 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
    B
    quality
    F
    maintenance
    AoT MCP server enables AI models to solve complex reasoning problems by decomposing them into independent, reusable atomic units of thought, featuring a powerful decomposition-contraction mechanism that allows for deep exploration of problem spaces while maintaining high confidence in conclusions.
    3
    62
    MIT
  • F
    license
    Not graded
    quality
    D
    maintenance
    Read-only MCP server for the July 2026 survey of AI in open-source design systems, enabling agents to query 19 systems' affordances, coercion techniques, and platform data via 9 tools, 2 resources, and 2 prompts.
    14
    -
  • A
    license
    A
    quality
    B
    maintenance
    Customer lists of B2B software: every company using a technology (HubSpot, Stripe, Zendesk and 4,000+ more), with the evidence and date for each detection, and the new customers every week. Hosted remote server at https://mcp.useagentdata.com/mcp; it connects with your AgentData account (sign in, or paste an API key). Website: https://useagentdata.com
    6
    260 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Provides AI agents with 12 real-time tools for search synthesis, grounded research dossiers, claim verification, citation generation, sentiment analysis, expert ranking, timeline creation, and competitive landscape mapping over Streamable HTTP or stdio.
    1
    12
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables LLM agents to query and analyze hh.ru job vacancies via full-text and semantic search, with tools for vacancy lookup, skill statistics, market overview, and candidate profile comparison.
    7
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables running Simulatte's 26 research SKUs (concept testing, pricing, etc.) from any MCP-compatible AI client, returning structured JSON results.
    7
    47 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Feynman's twelve-problems method as an MCP server — a persistent set of long-running problems plus an evoke loop that tests each new trick against all of them. Local, TypeScript, no LLM inside, no API key.
    6
    61 npm
    Apache 2.0
  • A
    license
    A
    quality
    D
    maintenance
    Provides 17 research tools for comprehensive company intelligence, covering aspects like overview, products, financials, and competitors. Supports both natural language answers and structured JSON output for automation.
    18
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables AI assistants and agents to connect directly to Google NotebookLM through its high-performance internal RPC calls. Provides grounded RAG chat with citations, notebook and source management (URLs, YouTube, Drive files, text), Audio Overview generation and download, persistent session handling, and automated Deep Research.
    38
    1
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Portfolio risk analytics MCP server — VaR, Monte Carlo simulation, stress testing, portfolio optimization, options Greeks, and correlation analysis. Real market data via Yahoo Finance. Free tier available, Pro at $29/mo.
    10
    96 npm
    2
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables historical options research and regression testing against tastytrade's Backtester API, allowing users to discover backtest coverage, submit and poll backtests, and simulate historical trades without placing orders.
    13
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    Enables local auditing of trading strategies through MCP checkers for point-in-time data provenance, pre-trade order validation, and regime-fragility testing, while deferring promotion verdicts to a hosted service.
    14
    179 PyPI
    -
  • A
    license
    A
    quality
    D
    maintenance
    MCP server for querying TÜBİTAK TR Dizin academic database, enabling search of publications, journals, authors, and institutions without an API key.
    2
    9
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables the generation, mutation, and evolution of DNA and protein sequences using various evolutionary models and phylogenetic algorithms. It supports realistic next-generation sequencing read simulation and population-level evolutionary tracking for bioinformatics research and testing.
    6
    BSD 2-Clause "Simplified"