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The best security MCP servers in 2026

The best security MCP servers right now are Semgrep MCP, GhidraMCP and REA (Reverse Engineer Anything), out of 5 we have reviewed. Each is ranked by our rating, with its price, our verdict and who it suits.

By Sheela · Updated Nov 6, 2026 · How we review

How we ranked: by our rating out of 5, from reviews built on each product's own pricing, documentation and policies plus independent benchmarks where they exist, each checked on the date shown in the review. We take no affiliate commission.

  1. 1

    Semgrep MCP

    A model can be talked out of a finding; a failed CI check can't, and Semgrep lets you run the same check in both places.

    Best for: Any team that wants AI-written code to face the same static-analysis gate as human code.

    Price: Community Edition free under LGPL 2.1; Semgrep AppSec Platform (Pro rules, cross-file analysis, Supply Chain, Secrets) is paid.

    Read our Semgrep MCP review
    4.3/5
  2. 2

    GhidraMCP

    GhidraMCP gives a model the reverse engineer's core moves and saves its conclusions into the project, with 30 tools where its biggest fork ships 209.

    Best for: Malware analysts and reverse engineers who want an assistant to triage and annotate binaries in Ghidra.

    Price: Free and open source (Apache 2.0). Ghidra itself is free.

    Read our GhidraMCP review
    4.1/5
  3. 3

    REA (Reverse Engineer Anything)

    REA gives an agent a whole reverse-engineering bench behind one install, and it is only as safe as the targets you let it run.

    Best for: Security researchers and engineers who want an agent to explain how a closed app or binary works, with evidence they can check.

    Price: Free under the MIT licence. Commercial back ends such as IDA Pro, Hopper and JEB need their own licences.

    Read our REA (Reverse Engineer Anything) review
    4.0/5
  4. 4

    Snyk MCP Server (Snyk Studio)

    A mature scanner wired neatly into coding agents, whose sensible default of scanning every AI edit spends a Free plan's monthly tests in days.

    Best for: Teams already paying for Snyk who want coding agents to check and fix the security of the code they write.

    Price: Free with the Snyk CLI; scans count against your Snyk plan. Free: 100 Snyk Code tests a month, 5 projects. Team from $25 a month (up to 10 developers, 1,000 Code tests). Enterprise uses credits.

    Read our Snyk MCP Server (Snyk Studio) review
    4.0/5
  5. 5

    x64dbg-MCP Server

    The dynamic-analysis partner to a Ghidra server: fast, dependency-free and thorough, with a plain-HTTP control channel that has full power over whatever process it is attached to.

    Best for: Malware analysts, CTF players and reverse engineers who already use x64dbg and want an agent to drive the repetitive stepping, tracing and dumping in an isolated VM.

    Price: Free and open source (MIT).

    Read our x64dbg-MCP Server review
    3.9/5

Sources

The main official source behind each ranked review; every review lists its full set.

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