manage_subscription · Inoreader MCP: Risk & Policy

WHAT IT DOES

What manage_subscription does on Inoreader

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

WHY IT NEEDS A POLICY

Why manage_subscription needs a policy

The tool modifies user subscription state reversibly. While 'remove' could suggest Destructive category, removing a subscription is reversible (unlike deleting data permanently) and is a standard data management operation. The most severe irreversible action would be if it deleted article data itself, which is not indicated.

From the tool's definition Tool description states it can 'Add, edit, or remove an RSS feed subscription' - these are create, update, and delete operations on subscription data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

manage_subscription Rate-limited

manage_subscription 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": {
    "manage_subscription": {
      "limits": [
        {
          "counter": "manage_subscription_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 Inoreader, so you can run agents against it safely.

FAQ

Questions about manage_subscription

What does the manage_subscription tool do? +

Add, edit, or remove an RSS feed subscription. Costs 1 Zone 2 request. It is categorised as a Write tool in the Inoreader MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on manage_subscription? +

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

What risk level is manage_subscription? +

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

Can I rate-limit manage_subscription? +

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

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

manage_subscription is provided by the Inoreader MCP server (justmytwospence/inoreader-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.