Delete a page subtree under rootPath. mode:
AI agents call wiki_pages_delete_tree to permanently remove resources in Mcp Wikijs Mv — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool performs irreversible deletion of potentially multiple pages (a subtree), which cannot be undone. Deletion operations that remove data permanently fall under the Destructive category, which is more severe than Write (which covers reversible modifications). The blast radius is significant as an AI agent given this tool could accidentally or maliciously delete entire sections of wiki content.
From the tool's definition Tool name includes 'delete' and description states 'Delete a page subtree under rootPath' - this irreversibly removes pages and all content beneath them in the wiki hierarchy.
Attacks that exploit this kind of access
Delete a page subtree under rootPath. mode:. It is categorised as a Destructive tool in the Mcp Wikijs Mv MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mcp Wikijs Mv MCP server in PolicyLayer and add a rule for wiki_pages_delete_tree: 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 Mcp Wikijs Mv. Nothing to install.
wiki_pages_delete_tree 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 wiki_pages_delete_tree 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 wiki_pages_delete_tree. 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.
wiki_pages_delete_tree is provided by the Mcp Wikijs Mv MCP server (janschachtschabel/mcp-for-wiki-js). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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