Query a specific relationship type for a URL with pagination support. Choose from ${RELATIONSHIPS.url.length} relationship types including communicating files, contacted domains/IPs, downloaded files, redirects, referrers, threat actors, and collections. Useful for paging through the full list wh...
Part of the Mcp Virustotal server.
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AI agents call get_url_relationship to retrieve information from Mcp Virustotal without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though get_url_relationship only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"get_url_relationship": {}
}
}See the full Mcp Virustotal policy for all 11 tools.
These attack patterns abuse exactly the kind of access get_url_relationship gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Query a specific relationship type for a URL with pagination support. Choose from ${RELATIONSHIPS.url.length} relationship types including communicating files, contacted domains/IPs, downloaded files, redirects, referrers, threat actors, and collections. Useful for paging through the full list when the summary in get_url_report is truncated.. It is categorised as a Read tool in the Mcp Virustotal MCP Server, which means it retrieves data without modifying state.
Register the Mcp Virustotal MCP server in PolicyLayer and add a rule for get_url_relationship: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp Virustotal. Nothing to install.
get_url_relationship is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_url_relationship rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_url_relationship. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_url_relationship is provided by the Mcp Virustotal MCP server (@burtthecoder/mcp-virustotal). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 11 Mcp Virustotal tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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