create_or_update_wiki_page · Redmine MCP: Risk & Policy

WHAT IT DOES

What create_or_update_wiki_page does on Redmine

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

WHY IT NEEDS A POLICY

Why create_or_update_wiki_page needs a policy

This tool modifies wiki content reversibly. It does not delete data (which would be Destructive), execute arbitrary code (Execute), move money (Financial), or merely read data (Read). While wiki pages can be important documentation, the modification is reversible—pages can be edited again or reverted.

From the tool's definition Tool description explicitly states "Create or replace a wiki page". The PUT operation is described as an upsert, meaning it creates new wiki pages or modifies existing ones. Both creation and modification of content are reversible write operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_or_update_wiki_page Rate-limited

create_or_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": {
    "create_or_update_wiki_page": {
      "limits": [
        {
          "counter": "create_or_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 Redmine, so you can run agents against it safely.

FAQ

Questions about create_or_update_wiki_page

What does the create_or_update_wiki_page tool do? +

Create or replace a wiki page (Redmine PUT is upsert). It is categorised as a Write tool in the Redmine MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_or_update_wiki_page? +

Register the Redmine MCP server in PolicyLayer and add a rule for create_or_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 Redmine. Nothing to install.

What risk level is create_or_update_wiki_page? +

create_or_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 create_or_update_wiki_page? +

Yes. Add a rate_limit block to the create_or_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 create_or_update_wiki_page completely? +

Set action: deny in the PolicyLayer policy for create_or_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 create_or_update_wiki_page? +

create_or_update_wiki_page is provided by the Redmine MCP server (KalvadTech/redmine-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.