update_ctr_weights · Mcp Revelor MCP: Risk & Policy

WHAT IT DOES

What update_ctr_weights does on Mcp Revelor

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

WHY IT NEEDS A POLICY

Why update_ctr_weights needs a policy

This tool creates or modifies search ranking parameters, which fits the Write category—it changes system behavior reversibly without deleting data or executing arbitrary code. Severity is medium because misconfiguring ranking weights could degrade search relevance and e-shop revenue, but the change can be reverted.

From the tool's definition Tool name 'update_ctr_weights' and description indicate it modifies ranking weights (click_weight parameter) in the search configuration. This is a reversible configuration change to the e-shop search system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_ctr_weights Rate-limited

update_ctr_weights 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_ctr_weights": {
      "limits": [
        {
          "counter": "update_ctr_weights_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 Revelor, so you can run agents against it safely.

FAQ

Questions about update_ctr_weights

What does the update_ctr_weights tool do? +

Update ranking weights (each 0.1–10.0): click_weight (how much CTR influences ranking),. It is categorised as a Write tool in the Mcp Revelor 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_ctr_weights? +

Register the Mcp Revelor MCP server in PolicyLayer and add a rule for update_ctr_weights: 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 Revelor. Nothing to install.

What risk level is update_ctr_weights? +

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

Can I rate-limit update_ctr_weights? +

Yes. Add a rate_limit block to the update_ctr_weights 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_ctr_weights completely? +

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

update_ctr_weights is provided by the Mcp Revelor MCP server (webotvurci-s-r-o/mcp-revelor). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.