wiki_page_restore · Mcp Wikijs Mv MCP: Risk & Policy

WHAT IT DOES

What wiki_page_restore does on Mcp Wikijs Mv

AI agents use wiki_page_restore to create or update resources in Mcp Wikijs Mv — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Wikijs Mv environment.

WHY IT NEEDS A POLICY

Why wiki_page_restore needs a policy

This tool modifies data (page content) by reverting to historical state, which is a Write operation. It is reversible (can restore to a different version again), so it does not meet the Destructive threshold.

From the tool's definition Tool restores a page to a previous version, which is a reversible modification operation that changes page content. The description explicitly states 'Restore a page to a previous version,' indicating content modification without permanent destruction.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

wiki_page_restore Rate-limited

wiki_page_restore stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "wiki_page_restore": {
      "limits": [
        {
          "counter": "wiki_page_restore_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mcp Wikijs Mv, so you can run agents against it safely.

FAQ

Questions about wiki_page_restore

What does the wiki_page_restore tool do? +

Restore a page to a previous version. It is categorised as a Write tool in the Mcp Wikijs Mv MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on wiki_page_restore? +

Register the Mcp Wikijs Mv MCP server in PolicyLayer and add a rule for wiki_page_restore: 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.

What risk level is wiki_page_restore? +

wiki_page_restore is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit wiki_page_restore? +

Yes. Add a rate_limit block to the wiki_page_restore 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.

How do I block wiki_page_restore completely? +

Set action: deny in the PolicyLayer policy for wiki_page_restore. 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.

What MCP server provides wiki_page_restore? +

wiki_page_restore 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.