update_progress · Mcp Elevenreader MCP: Risk & Policy

WHAT IT DOES

What update_progress does on Mcp Elevenreader

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

WHY IT NEEDS A POLICY

Why update_progress needs a policy

This tool modifies user progress state for a document/audiobook being read through the ElevenReader TTS service. The change is reversible (progress can be adjusted forward or backward), affects only metadata about listening position, and has no side effects beyond updating a single user preference value.

From the tool's definition Tool name 'update_progress' and description 'Update listening progress for a read' indicate modification of existing data (progress tracking state).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_progress Rate-limited

update_progress 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_progress": {
      "limits": [
        {
          "counter": "update_progress_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 Elevenreader, so you can run agents against it safely.

FAQ

Questions about update_progress

What does the update_progress tool do? +

Update listening progress for a read. It is categorised as a Write tool in the Mcp Elevenreader 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_progress? +

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

What risk level is update_progress? +

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

Can I rate-limit update_progress? +

Yes. Add a rate_limit block to the update_progress 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_progress completely? +

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

update_progress is provided by the Mcp Elevenreader MCP server (mit9/mcp-elevenreader). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.