Nessus MCP Server

Name: Nessus MCP Server
Author: Cyreslab-AI

@Cyreslab-AI

Repository

About Nessus MCP Server

No overview available yet

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "nessus": {
      "command": "node",
      "args": [
        "/path/to/nessus-mcp-server/build/index.js"
      ],
      "env": {
        "NESSUS_URL": "https://your-nessus-instance:8834",
        "NESSUS_ACCESS_KEY": "your-access-key",
        "NESSUS_SECRET_KEY": "your-secret-key"
      }
    }
  }
}

Tools

List available Nessus scan templates

Start a new vulnerability scan against a target

Check the status of a running scan

Get the results of a completed scan

List all scans and their status

Get detailed information about a specific vulnerability

Search for vulnerabilities by keyword

Overview

What is Nessus MCP Server?

A Model Context Protocol (MCP) server that enables AI assistants to interact with the Tenable Nessus vulnerability scanner for starting, monitoring, and analyzing vulnerability scans.

How to use Nessus MCP Server?

Install from source with Node.js 16+, then run node build/index.js. By default it runs in mock mode (no API key required). To connect to a real Nessus instance, set the NESSUS_URL, NESSUS_ACCESS_KEY, and NESSUS_SECRET_KEY environment variables. For Claude for Desktop, add a server entry in its configuration file pointing to the built index.js and optionally including the environment variables.

Key features of Nessus MCP Server

Start and monitor vulnerability scans against targets
List, track, and retrieve scan results
Search and get details about specific vulnerabilities
Fully functional mock mode for testing without API key
List available Nessus scan templates

Use cases of Nessus MCP Server

Scan a target IP or network for vulnerabilities
Monitor the status of in-progress scans
Retrieve and review completed scan results
Search for vulnerabilities by keyword (e.g., "log4j")
Get detailed information about a known vulnerability

FAQ from Nessus MCP Server

What are the prerequisites?

Node.js 16 or higher is required; TypeScript is needed for development.

How do I run the server in mock mode?

The server runs in mock mode by default. Simply execute node build/index.js without setting any Nessus environment variables.

How do I connect to a real Nessus instance?

Set the environment variables NESSUS_URL, NESSUS_ACCESS_KEY, and NESSUS_SECRET_KEY before running the server.

How do I configure it with Claude for Desktop?

Add a "nessus" entry under "mcpServers" in the Claude for Desktop configuration file, specifying the command and path to the built index.js. Include the env section with your Nessus credentials for real scans, or omit it for mock mode.

What license does this server use?

The server is released under the MIT license.

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