This record as markdown: /tools/ikuai-mcp-server/list-custom-url-library.md
What list_custom_url_library does on Ikuai
AI agents call list_custom_url_library 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_custom_url_library is rated Low
This tool lists or retrieves existing custom URL library entries from the router's web interface. It performs a read-only query operation with no side effects, no data modification, no code execution, and no destructive or financial impact. The blast radius of misuse is minimal—an attacker could only view URL filtering configurations already present on the device.
From the tool's definition Tool name 'list_custom_url_library' and description '列出自定义网址库' (list custom URL library) indicate a retrieval/query operation that reads configuration data from the router without modification.
Attacks that exploit this kind of access
The rule that runs list_custom_url_library 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_custom_url_library, this is the rule to start with:
list_custom_url_library 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_custom_url_library call is checked against it from then on.
Questions about list_custom_url_library
列出自定义网址库(tab: 自定义网址库). 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_custom_url_library: 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_custom_url_library 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_custom_url_library 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_custom_url_library. 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_custom_url_library 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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