replace_wikihypelinks · Wikicitation MCP: Risk & Policy

WHAT IT DOES

What replace_wikihypelinks does on Wikicitation

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

WHY IT NEEDS A POLICY

Why replace_wikihypelinks needs a policy

The tool performs content modification (removal/replacement of wikilinks) in Wikipedia articles. This is a Write operation because changes are reversible through version history. Severity is medium because while this affects publicly visible Wikipedia content, the modifications can be undone and don't constitute deletion or financial impact.

From the tool's definition Tool description states 'Remove or replace [[wikilinks]] in a wikitext string' — this modifies wikitext content by removing or replacing elements, which are reversible write operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

replace_wikihypelinks Rate-limited

replace_wikihypelinks 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": {
    "replace_wikihypelinks": {
      "limits": [
        {
          "counter": "replace_wikihypelinks_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 Wikicitation, so you can run agents against it safely.

FAQ

Questions about replace_wikihypelinks

What does the replace_wikihypelinks tool do? +

Remove or replace [[wikilinks]] in a wikitext string. It is categorised as a Write tool in the Wikicitation MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on replace_wikihypelinks? +

Register the Wikicitation MCP server in PolicyLayer and add a rule for replace_wikihypelinks: 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 Wikicitation. Nothing to install.

What risk level is replace_wikihypelinks? +

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

Can I rate-limit replace_wikihypelinks? +

Yes. Add a rate_limit block to the replace_wikihypelinks 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 replace_wikihypelinks completely? +

Set action: deny in the PolicyLayer policy for replace_wikihypelinks. 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 replace_wikihypelinks? +

replace_wikihypelinks is provided by the Wikicitation MCP server (jsobel1/wikicitation-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.