This record as markdown: /tools/ikuai-mcp-server/delete-custom-url-library.md
What delete_custom_url_library does on Ikuai
AI agents call delete_custom_url_library to permanently remove resources in Ikuai, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why delete_custom_url_library is rated Critical
An AI agent that decides to call delete_custom_url_library doesn't hesitate, doesn't double-check, and doesn't stop at one. Whatever it removes from Ikuai is gone. There is no undo for destructive operations.
Attacks that exploit this kind of access
The rule that runs delete_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 delete_custom_url_library, this is the rule to start with:
delete_custom_url_library is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Ikuai, apply this rule, and every delete_custom_url_library call is checked against it from then on.
Questions about delete_custom_url_library
删除自定义网址库. It is categorised as a Destructive tool in the Ikuai MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Ikuai MCP server in PolicyLayer and add a rule for delete_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.
delete_custom_url_library is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_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 delete_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.
delete_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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