This record as markdown: /tools/0xhayd3n-cpanel-mcp-server/list-addon-domains.md
What list_addon_domains does on cPanel MCP Server
AI agents call list_addon_domains to retrieve information from cPanel MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_addon_domains is rated Low
This tool performs a simple query/list operation to retrieve existing addon domain information. It retrieves data without modifying, deleting, executing code, or creating financial obligations. The blast radius of misuse is minimal—an unauthorized agent could enumerate domain configuration but cannot alter infrastructure or access data beyond domain names.
From the tool's definition Tool name 'list_addon_domains' and description 'List all addon domains' indicates a data retrieval operation with no side effects.
Attacks that exploit this kind of access
The rule that runs list_addon_domains safely
PolicyLayer is an MCP gateway: it sits between your AI agents and cPanel MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_addon_domains, this is the rule to start with:
list_addon_domains is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect cPanel MCP Server, apply this rule, and every list_addon_domains call is checked against it from then on.
Questions about list_addon_domains
List all addon domains. It is categorised as a Read tool in the cPanel MCP Server MCP Server, which means it retrieves data without modifying state.
Register the cPanel MCP Server MCP server in PolicyLayer and add a rule for list_addon_domains: 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 cPanel MCP Server. Nothing to install.
list_addon_domains 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 list_addon_domains 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 list_addon_domains. 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.
list_addon_domains is provided by the cPanel MCP Server MCP server (0xhayd3n/cpanel-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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