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get_firewall_rule

Get details of a specific firewall rule.

SERVERVultr MCP SOURCErsp2k/mcp-vultr
Low RISK CLASS
Category Read
Parameters 00 required
Recommended Allowedsee the rule below
Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/rsp2k-mcp-vultr/get-firewall-rule.md

What get_firewall_rule does on Vultr MCP

AI agents call get_firewall_rule to retrieve information from Vultr MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why get_firewall_rule is rated Low

This tool performs a read-only query to retrieve firewall rule details. It has no side effects—it neither modifies rules, creates new ones, nor deletes existing ones. Even if an AI agent misuses it by querying sensitive rules, the impact is limited to information disclosure rather than infrastructure changes. Severity is low because firewall rule metadata is typically non-sensitive operational data.

From the tool's definition Tool name 'get_firewall_rule' and description 'Get details of a specific firewall rule' indicate retrieval of existing configuration data with no modification, creation, or deletion.

Questions about get_firewall_rule

What does the get_firewall_rule tool do? +

Get details of a specific firewall rule. It is categorised as a Read tool in the Vultr MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_firewall_rule? +

Register the Vultr MCP server in PolicyLayer and add a rule for get_firewall_rule: 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 Vultr MCP. Nothing to install.

What risk level is get_firewall_rule? +

get_firewall_rule is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_firewall_rule? +

Yes. Add a rate_limit block to the get_firewall_rule 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.

How do I block get_firewall_rule completely? +

Set action: deny in the PolicyLayer policy for get_firewall_rule. 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.

What MCP server provides get_firewall_rule? +

get_firewall_rule is provided by the Vultr MCP server (rsp2k/mcp-vultr). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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