text_update · Voog MCP: Risk & Policy

WHAT IT DOES

What text_update does on Voog

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

WHY IT NEEDS A POLICY

Why text_update needs a policy

This tool modifies existing text content in the Voog CMS system. While 'update' operations are reversible (prior versions could typically be restored or the text re-updated), the tool can affect published content, pages, or templates that may be customer-facing.

From the tool's definition Tool name contains 'update'; description states 'Update a text body (PUT /texts/{id} {body})' indicating a reversible modification operation via HTTP PUT method.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

text_update Rate-limited

text_update 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": {
    "text_update": {
      "limits": [
        {
          "counter": "text_update_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 Voog, so you can run agents against it safely.

FAQ

Questions about text_update

What does the text_update tool do? +

Update a text body (PUT /texts/{id} {body}). body is the. It is categorised as a Write tool in the Voog MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on text_update? +

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

What risk level is text_update? +

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

Can I rate-limit text_update? +

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

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

text_update is provided by the Voog MCP server (runnel/voog-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.