ServidoresBurtTheCoder/mcp-shodan

BurtTheCoder/mcp-shodan

Creado el 2025-03-22

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MCP server for querying the Shodan API

Research & Data

Security

Open Source

Información

Shodan MCP Server

A Model Context Protocol (MCP) server for querying the Shodan API and Shodan CVEDB. This server provides comprehensive access to Shodan's network intelligence and security services, including IP reconnaissance, DNS operations, vulnerability tracking, and device discovery. All tools provide structured, formatted output for easy analysis and integration.

Quick Start (Recommended)

Installing via Smithery

To install Shodan Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @burtthecoder/mcp-shodan --client claude

Installing Manually

Install the server globally via npm:

npm install -g @burtthecoder/mcp-shodan

Add to your Claude Desktop configuration file:

{
  "mcpServers": {
    "shodan": {
      "command": "mcp-shodan",
      "env": {
        "SHODAN_API_KEY": "your-shodan-api-key"
      }
    }
  }
}

Configuration file location:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

Restart Claude Desktop

Alternative Setup (From Source)

If you prefer to run from source or need to modify the code:

Clone and build:

git clone https://github.com/BurtTheCoder/mcp-shodan.git
cd mcp-shodan
npm install
npm run build

Add to your Claude Desktop configuration:

{
  "mcpServers": {
    "shodan": {
      "command": "node",
      "args": ["/absolute/path/to/mcp-shodan/build/index.js"],
      "env": {
        "SHODAN_API_KEY": "your-shodan-api-key"
      }
    }
  }
}

Features

Network Reconnaissance: Query detailed information about IP addresses, including open ports, services, and vulnerabilities
DNS Operations: Forward and reverse DNS lookups for domains and IP addresses
Vulnerability Intelligence: Access to Shodan's CVEDB for detailed vulnerability information, CPE lookups, and product-specific CVE tracking
Device Discovery: Search Shodan's database of internet-connected devices with advanced filtering

Tools

1. IP Lookup Tool

Name: ip_lookup
Description: Retrieve comprehensive information about an IP address, including geolocation, open ports, running services, SSL certificates, hostnames, and cloud provider details if available
Parameters:
- ip (required): IP address to lookup
Returns:
- IP Information (address, organization, ISP, ASN)
- Location (country, city, coordinates)
- Services (ports, protocols, banners)
- Cloud Provider details (if available)
- Associated hostnames and domains
- Tags

2. Shodan Search Tool

Name: shodan_search
Description: Search Shodan's database of internet-connected devices
Parameters:
- query (required): Shodan search query
- max_results (optional, default: 10): Number of results to return
Returns:
- Search summary with total results
- Country-based distribution statistics
- Detailed device information including:
  - Basic information (IP, organization, ISP)
  - Location data
  - Service details
  - Web server information
  - Associated hostnames and domains

3. CVE Lookup Tool

Name: cve_lookup
Description: Query detailed vulnerability information from Shodan's CVEDB
Parameters:
- cve (required): CVE identifier in format CVE-YYYY-NNNNN (e.g., CVE-2021-44228)
Returns:
- Basic Information (ID, published date, summary)
- Severity Scores:
  - CVSS v2 and v3 with severity levels
  - EPSS probability and ranking
- Impact Assessment:
  - KEV status
  - Proposed mitigations
  - Ransomware associations
- Affected products (CPEs)
- References

4. DNS Lookup Tool

Name: dns_lookup
Description: Resolve domain names to IP addresses using Shodan's DNS service
Parameters:
- hostnames (required): Array of hostnames to resolve
Returns:
- DNS resolutions mapping hostnames to IPs
- Summary of total lookups and queried hostnames

5. Reverse DNS Lookup Tool

Name: reverse_dns_lookup
Description: Perform reverse DNS lookups to find hostnames associated with IP addresses
Parameters:
- ips (required): Array of IP addresses to lookup
Returns:
- Reverse DNS resolutions mapping IPs to hostnames
- Summary of total lookups and results

6. CPE Lookup Tool

Name: cpe_lookup
Description: Search for Common Platform Enumeration (CPE) entries by product name
Parameters:
- product (required): Name of the product to search for
- count (optional, default: false): If true, returns only the count of matching CPEs
- skip (optional, default: 0): Number of CPEs to skip (for pagination)
- limit (optional, default: 1000): Maximum number of CPEs to return
Returns:
- When count is true: Total number of matching CPEs
- When count is false: List of CPEs with pagination details

7. CVEs by Product Tool

Name: cves_by_product
Description: Search for vulnerabilities affecting specific products or CPEs
Parameters:
- cpe23 (optional): CPE 2.3 identifier (format: cpe:2.3:part:vendor:product:version)
- product (optional): Name of the product to search for CVEs
- count (optional, default: false): If true, returns only the count of matching CVEs
- is_kev (optional, default: false): If true, returns only CVEs with KEV flag set
- sort_by_epss (optional, default: false): If true, sorts CVEs by EPSS score
- skip (optional, default: 0): Number of CVEs to skip (for pagination)
- limit (optional, default: 1000): Maximum number of CVEs to return
- start_date (optional): Start date for filtering CVEs (format: YYYY-MM-DDTHH:MM:SS)
- end_date (optional): End date for filtering CVEs (format: YYYY-MM-DDTHH:MM:SS)
Notes:
- Must provide either cpe23 or product, but not both
- Date filtering uses published time of CVEs
Returns:
- Query information
- Results summary with pagination details
- Detailed vulnerability information including:
  - Basic information
  - Severity scores
  - Impact assessments
  - References

Requirements

Node.js (v18 or later)
A valid Shodan API Key

Troubleshooting

API Key Issues

If you see API key related errors (e.g., "Request failed with status code 401"):

Verify your API key:
- Must be a valid Shodan API key from your account settings
- Ensure the key has sufficient credits/permissions for the operation
- Check for extra spaces or quotes around the key in the configuration
- Verify the key is correctly set in the SHODAN_API_KEY environment variable
Common Error Codes:
- 401 Unauthorized: Invalid API key or missing authentication
- 402 Payment Required: Out of query credits
- 429 Too Many Requests: Rate limit exceeded

Configuration Steps: a. Get your API key from Shodan Account b. Add it to your configuration file:

{
  "mcpServers": {
    "shodan": {
      "command": "mcp-shodan",
      "env": {
        "SHODAN_API_KEY": "your-actual-api-key-here"
      }
    }
  }
}

c. Save the config file d. Restart Claude Desktop

Testing Your Key:
- Try a simple query first (e.g., dns_lookup for "google.com")
- Check your Shodan account dashboard for credit status
- Verify the key works directly with curl:
```
curl "https://api.shodan.io/dns/resolve?hostnames=google.com&key=your-api-key"
```

Module Loading Issues

If you see module loading errors:

For global installation: Use the simple configuration shown in Quick Start
For source installation: Ensure you're using Node.js v18 or later

Development

To run in development mode with hot reloading:

npm run dev

Error Handling

The server includes comprehensive error handling for:

Invalid API keys
Rate limiting
Network errors
Invalid input parameters
Invalid CVE formats
Invalid CPE lookup parameters
Invalid date formats
Mutually exclusive parameter validation

Version History

v1.0.12: Added reverse DNS lookup and improved output formatting
v1.0.7: Added CVEs by Product search functionality and renamed vulnerabilities tool to cve_lookup
v1.0.6: Added CVEDB integration for enhanced CVE lookups and CPE search functionality
v1.0.0: Initial release with core functionality

Contributing

Fork the repository
Create a feature branch (git checkout -b feature/amazing-feature)
Commit your changes (git commit -m 'Add amazing feature')
Push to the branch (git push origin feature/amazing-feature)
Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.

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