update_wiki_page · WikiJS MCP Server MCP: Risk & Policy

WHAT IT DOES

What update_wiki_page does on WikiJS MCP Server

AI agents use update_wiki_page to create or update resources in WikiJS MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your WikiJS MCP Server environment.

WHY IT NEEDS A POLICY

Why update_wiki_page needs a policy

The tool modifies wiki page content reversibly. This is a Write operation (not Destructive, since updates are typically reversible through history/rollback features common in wiki systems; not Execute, since it directly modifies a specific resource rather than running arbitrary code). Severity is high because an AI agent with access could modify critical documentation, knowledge bases, or organizational records.

From the tool's definition Tool name is 'update_wiki_page' and server description states it enables 'updating... wiki pages'; sibling tools include 'create_wiki_page', 'delete_wiki_page', and other CRUD operations, placing this in content modification operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_wiki_page Rate-limited

update_wiki_page 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": {
    "update_wiki_page": {
      "limits": [
        {
          "counter": "update_wiki_page_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 WikiJS MCP Server, so you can run agents against it safely.

FAQ

Questions about update_wiki_page

What does the update_wiki_page tool do? +

update_wiki_page. It is categorised as a Write tool in the WikiJS MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_wiki_page? +

Register the WikiJS MCP Server MCP server in PolicyLayer and add a rule for update_wiki_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 WikiJS MCP Server. Nothing to install.

What risk level is update_wiki_page? +

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

Can I rate-limit update_wiki_page? +

Yes. Add a rate_limit block to the update_wiki_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.

How do I block update_wiki_page completely? +

Set action: deny in the PolicyLayer policy for update_wiki_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.

What MCP server provides update_wiki_page? +

update_wiki_page is provided by the WikiJS MCP Server MCP server (vnikhilbuddhavarapu/wiki-gcp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.