toggle_favorite · PromptingBox MCP Server MCP: Risk & Policy

WHAT IT DOES

What toggle_favorite does on PromptingBox MCP Server

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

WHY IT NEEDS A POLICY

Why toggle_favorite needs a policy

This tool creates or modifies data (the favorite/starred state of a prompt) in a reversible manner. It does not delete data (Destructive), execute arbitrary code (Execute), involve financial transactions (Financial), or merely read data (Read). The change is easily undone by toggling again, making it a Write operation.

From the tool's definition Tool modifies a prompt's favorite status by starring or unstarring it, which changes metadata associated with the prompt. The name 'toggle_favorite' and description 'Star or unstar a prompt' indicate a state change operation that is reversible.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

toggle_favorite Rate-limited

toggle_favorite 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": {
    "toggle_favorite": {
      "limits": [
        {
          "counter": "toggle_favorite_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 PromptingBox MCP Server, so you can run agents against it safely.

FAQ

Questions about toggle_favorite

What does the toggle_favorite tool do? +

Star or unstar a prompt in PromptingBox. It is categorised as a Write tool in the PromptingBox MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on toggle_favorite? +

Register the PromptingBox MCP Server MCP server in PolicyLayer and add a rule for toggle_favorite: 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 PromptingBox MCP Server. Nothing to install.

What risk level is toggle_favorite? +

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

Can I rate-limit toggle_favorite? +

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

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

toggle_favorite is provided by the PromptingBox MCP Server MCP server (promptingbox/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.