This record as markdown: /tools/ikuai-mcp-server/list-url-blacklist.md
What list_url_blacklist does on Ikuai
AI agents call list_url_blacklist to retrieve information from Ikuai without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_url_blacklist is rated Low
This tool queries and retrieves existing URL blacklist/whitelist configuration data from the iKuai router. It performs a read-only operation with no side effects. The blast radius is minimal—exposure allows viewing security policies but not altering them. Classified as Read with low severity.
From the tool's definition Tool name 'list_url_blacklist' and description '列出网址黑白名单' (list URL blacklist/whitelist) indicates a retrieval operation with the verb '列出' (list). No modification, deletion, or execution is described.
Attacks that exploit this kind of access
The rule that runs list_url_blacklist safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ikuai, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_url_blacklist, this is the rule to start with:
list_url_blacklist 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 Ikuai, apply this rule, and every list_url_blacklist call is checked against it from then on.
Questions about list_url_blacklist
列出网址黑白名单（tab: 网址黑白名单）. It is categorised as a Read tool in the Ikuai MCP Server, which means it retrieves data without modifying state.
Register the Ikuai MCP server in PolicyLayer and add a rule for list_url_blacklist: 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 Ikuai. Nothing to install.
list_url_blacklist 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_url_blacklist 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_url_blacklist. 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_url_blacklist is provided by the Ikuai MCP server (gxxHuang/ikuai-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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