Restores a previously deleted wiki page, including its full revision history, and returns the restored title. The page must currently be in a deleted state (from delete-page); fails if no deleted revisions exist for the title or the authenticated user lacks the undelete permission.
Part of the MediaWiki MCP Server server.
Free to start. No card required.
AI agents may call undelete-page to permanently remove or destroy resources in MediaWiki MCP Server. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.
Without a policy, an AI agent could call undelete-page in a loop, permanently destroying resources in MediaWiki MCP Server. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.
Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.
{
"version": "1",
"default": "deny",
"hide": [
"undelete-page"
]
}See the full MediaWiki MCP Server policy for all 22 tools.
These attack patterns abuse exactly the kind of access undelete-page gives an agent. Each links to the full case and the policy that stops it:
Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Restores a previously deleted wiki page, including its full revision history, and returns the restored title. The page must currently be in a deleted state (from delete-page); fails if no deleted revisions exist for the title or the authenticated user lacks the undelete permission.. It is categorised as a Destructive tool in the MediaWiki MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the MediaWiki MCP Server MCP server in PolicyLayer and add a rule for undelete-page: 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 MediaWiki MCP Server. Nothing to install.
undelete-page 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 undelete-page 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 undelete-page. 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.
undelete-page is provided by the MediaWiki MCP Server MCP server (@professional-wiki/mediawiki-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 22 MediaWiki MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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