VirusTotal MCP Server

A Model Context Protocol (MCP) server for querying the VirusTotal API. This server provides comprehensive security analysis tools with automatic relationship data fetching. It integrates seamlessly with MCP-compatible applications like Claude Desktop.

Quick Start (TBD)

Installing via Smithery

To install virustotal-mcp for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @emeryray2002/virustotal-mcp --client claude

Installing Manually

TBD

Features

Comprehensive Analysis Reports: Each analysis tool automatically fetches relevant relationship data along with the basic report, providing a complete security overview in a single request
URL Analysis: Security reports with automatic fetching of contacted domains, downloaded files, and threat actors
File Analysis: Detailed analysis of file hashes including behaviors, dropped files, and network connections
IP Analysis: Security reports with historical data, resolutions, and related threats
Domain Analysis: DNS information, WHOIS data, SSL certificates, and subdomains
Detailed Relationship Analysis: Dedicated tools for querying specific types of relationships with pagination support
Advanced Search: VT Intelligence search capabilities for complex queries across the VirusTotal dataset
Rich Formatting: Clear categorization and presentation of analysis results and relationship data

Tools

Report Tools (with Automatic Relationship Fetching)

1. URL Report Tool

Name: get_url_report
Description: Get a comprehensive URL analysis report including security scan results and key relationships (communicating files, contacted domains/IPs, downloaded files, redirects, threat actors)
Parameters:
- url (required): The URL to analyze
Example:

await get_url_report(url="http://example.com/suspicious")

2. File Report Tool

Name: get_file_report
Description: Get a comprehensive file analysis report using its hash (MD5/SHA-1/SHA-256). Includes detection results, file properties, and key relationships (behaviors, dropped files, network connections, embedded content, threat actors)
Parameters:
- hash (required): MD5, SHA-1 or SHA-256 hash of the file
Example:

await get_file_report(hash="44d88612fea8a8f36de82e1278abb02f")

3. IP Report Tool

Name: get_ip_report
Description: Get a comprehensive IP address analysis report including geolocation, reputation data, and key relationships (communicating files, historical certificates/WHOIS, resolutions)
Parameters:
- ip (required): IP address to analyze
Example:

await get_ip_report(ip="8.8.8.8")

4. Domain Report Tool

Name: get_domain_report
Description: Get a comprehensive domain analysis report including DNS records, WHOIS data, and key relationships (SSL certificates, subdomains, historical data)
Parameters:
- domain (required): Domain name to analyze
Example:

await get_domain_report(domain="example.com")

Relationship Tools (for Detailed Analysis)

1. URL Relationship Tool

Name: get_url_relationship
Description: Query a specific relationship type for a URL with pagination support
Parameters:
- url (required): The URL to get relationships for
- relationship (required): Type of relationship to query
  - Available relationships: analyses, comments, communicating_files, contacted_domains, contacted_ips, downloaded_files, graphs, last_serving_ip_address, network_location, referrer_files, referrer_urls, redirecting_urls, redirects_to, related_comments, related_references, related_threat_actors, submissions
- limit (optional, default: 10): Maximum number of related objects to retrieve (1-40)
- cursor (optional): Continuation cursor for pagination
Example:

await get_url_relationship(
    url="http://example.com/suspicious",
    relationship="communicating_files",
    limit=20
)

2. File Relationship Tool

Name: get_file_relationship
Description: Query a specific relationship type for a file with pagination support
Parameters:
- hash (required): MD5, SHA-1 or SHA-256 hash of the file
- relationship (required): Type of relationship to query
  - Available relationships: analyses, behaviours, bundled_files, carbonblack_children, carbonblack_parents, ciphered_bundled_files, ciphered_parents, clues, collections, comments, compressed_parents, contacted_domains, contacted_ips, contacted_urls, dropped_files, email_attachments, email_parents, embedded_domains, embedded_ips, embedded_urls, execution_parents, graphs, itw_domains, itw_ips, itw_urls, memory_pattern_domains, memory_pattern_ips, memory_pattern_urls, overlay_children, overlay_parents, pcap_children, pcap_parents, pe_resource_children, pe_resource_parents, related_references, related_threat_actors, similar_files, submissions, screenshots, urls_for_embedded_js, votes
- limit (optional, default: 10): Maximum number of related objects to retrieve (1-40)
- cursor (optional): Continuation cursor for pagination
Example:

await get_file_relationship(
    hash="44d88612fea8a8f36de82e1278abb02f",
    relationship="behaviours",
    limit=20
)

3. IP Relationship Tool

Name: get_ip_relationship
Description: Query a specific relationship type for an IP address with pagination support
Parameters:
- ip (required): IP address to analyze
- relationship (required): Type of relationship to query
  - Available relationships: comments, communicating_files, downloaded_files, graphs, historical_ssl_certificates, historical_whois, related_comments, related_references, related_threat_actors, referrer_files, resolutions, urls
- limit (optional, default: 10): Maximum number of related objects to retrieve (1-40)
- cursor (optional): Continuation cursor for pagination
Example:

await get_ip_relationship(
    ip="8.8.8.8",
    relationship="communicating_files",
    limit=20
)

4. Domain Relationship Tool

Name: get_domain_relationship
Description: Query a specific relationship type for a domain with pagination support
Parameters:
- domain (required): Domain name to analyze
- relationship (required): Type of relationship to query
  - Available relationships: caa_records, cname_records, comments, communicating_files, downloaded_files, historical_ssl_certificates, historical_whois, immediate_parent, mx_records, ns_records, parent, referrer_files, related_comments, related_references, related_threat_actors, resolutions, soa_records, siblings, subdomains, urls, user_votes
- limit (optional, default: 10): Maximum number of related objects to retrieve (1-40)
- cursor (optional): Continuation cursor for pagination
Example:

await get_domain_relationship(
    domain="example.com",
    relationship="historical_ssl_certificates",
    limit=20
)

5. Advanced Search Tool

Name: advanced_corpus_search
Description: Perform advanced searches across the VirusTotal dataset using VT Intelligence query syntax
Parameters:
- query (required): The VT Intelligence search query string
- limit (optional, default: 20): Maximum number of results to return per page
- cursor (optional): Continuation cursor for pagination
- descriptors_only (optional): If true, retrieves only object descriptors instead of full objects
Example:

await advanced_corpus_search(
    query="type:peexe size:100kb+ positives:5+",
    limit=20,
    cursor=None
)

Requirements

Python >= 3.11
A valid VirusTotal API Key
Required Python packages:
- aiohttp >= 3.9.0
- mcp[cli] >= 1.4.1
- python-dotenv >= 1.0.0
- typing-extensions >= 4.8.0

Error Handling

The server includes comprehensive error handling for:

Invalid API keys
Rate limiting
Network errors
Invalid input parameters
Invalid hash formats
Invalid IP formats
Invalid URL formats
Invalid relationship types
Pagination errors

Development

To run in development mode:

python -m virustotal_mcp

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 Apache License 2.0 - see the LICENSE file for details.

Acknowledgments

VirusTotal for providing the API and threat intelligence platform
The MCP project for the server framework
Contributors and maintainers

Support

For support, please:

Check the documentation
Search existing issues
Create a new issue if needed

Security

Never commit API keys or sensitive credentials
Use environment variables for configuration
Follow security best practices when handling threat intelligence data