Delete a tag by ID. Removes the tag from all pages and the tag registry. Requires WIKI_MUTATIONS_ENABLED=true and may need manage:system permission. confirm is only checked when WIKI_MUTATION_CONFIRM_TOKEN is set.
AI agents call wikijs_delete_tag to permanently remove resources in Requarks Wiki — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool permanently removes a tag from the system and all associated pages. This is an irreversible destructive action that cannot be undone. While the impact is scoped to tag metadata (not page content deletion), it permanently modifies the knowledge base structure across multiple pages.
From the tool's definition Tool name contains 'delete' and description explicitly states 'Delete a tag by ID. Removes the tag from all pages and the tag registry.' This is an irreversible operation affecting multiple pages across the knowledge base.
Attacks that exploit this kind of access
Delete a tag by ID. Removes the tag from all pages and the tag registry. Requires WIKI_MUTATIONS_ENABLED=true and may need manage:system permission. confirm is only checked when WIKI_MUTATION_CONFIRM_TOKEN is set. It is categorised as a Destructive tool in the Requarks Wiki MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Requarks Wiki MCP server in PolicyLayer and add a rule for wikijs_delete_tag: 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 Requarks Wiki. Nothing to install.
wikijs_delete_tag 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 wikijs_delete_tag 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 wikijs_delete_tag. 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.
wikijs_delete_tag is provided by the Requarks Wiki MCP server (uyu423/requarks-wiki-mcp). 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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