mark_all_read · Inoreader MCP: Risk & Policy

WHAT IT DOES

What mark_all_read does on Inoreader

AI agents use mark_all_read 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 mark_all_read needs a policy

This tool modifies article read/unread status in bulk across a feed or folder. While reversible (articles can be marked unread), it is a write operation that changes persisted state. The blast radius is medium: an agent could mass-mark legitimate unread content as read, causing information loss or workflow disruption, but the action is undoable.

From the tool's definition Tool description states 'Mark all articles in a feed or folder as read' — a status update operation that modifies article state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mark_all_read Rate-limited

mark_all_read 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": {
    "mark_all_read": {
      "limits": [
        {
          "counter": "mark_all_read_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 mark_all_read

What does the mark_all_read tool do? +

Mark all articles in a feed or folder as read. 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 mark_all_read? +

Register the Inoreader MCP server in PolicyLayer and add a rule for mark_all_read: 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 mark_all_read? +

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

Can I rate-limit mark_all_read? +

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

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

mark_all_read 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.