wiki_navigation_update_tree · Mcp Wikijs Mv MCP

WHAT IT DOES

What wiki_navigation_update_tree does on Mcp Wikijs Mv

AI agents use wiki_navigation_update_tree 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_navigation_update_tree needs a policy

This tool creates or modifies data (the navigation tree) reversibly. While it has a wide impact by replacing the entire navigation structure across all locales, it is not irreversible (navigation can be replaced again), not destructive (no data loss), and not executable code.

From the tool's definition Tool description states 'REPLACE the entire site navigation' — a modification operation that affects site-wide structure and user experience.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

wiki_navigation_update_tree Rate-limited

wiki_navigation_update_tree 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_navigation_update_tree": {
      "limits": [
        {
          "counter": "wiki_navigation_update_tree_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_navigation_update_tree

What does the wiki_navigation_update_tree tool do? +

REPLACE the entire site navigation with the given tree (array of { locale, items: [...] },. 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_navigation_update_tree? +

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

What risk level is wiki_navigation_update_tree? +

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

Can I rate-limit wiki_navigation_update_tree? +

Yes. Add a rate_limit block to the wiki_navigation_update_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.

How do I block wiki_navigation_update_tree completely? +

Set action: deny in the PolicyLayer policy for wiki_navigation_update_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.

What MCP server provides wiki_navigation_update_tree? +

wiki_navigation_update_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.