bookmark_create · Raindrop Io MCP Server MCP: Risk & Policy

WHAT IT DOES

What bookmark_create does on Raindrop Io MCP Server

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

WHY IT NEEDS A POLICY

Why bookmark_create needs a policy

This tool creates new bookmark entries in a collection, which is a reversible modification of data. It does not execute arbitrary code, delete data irreversibly, or move money. The severity is medium because uncontrolled bookmark creation could spam a user's collection and consume storage, but the effects are reversible via the sibling bookmark_delete tool.

From the tool's definition Tool description states 'Add a new bookmark to a collection', which creates new data reversibly. The name 'bookmark_create' and verb 'Add' confirm this is a write operation that modifies the user's bookmark collection.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

bookmark_create Rate-limited

bookmark_create 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": {
    "bookmark_create": {
      "limits": [
        {
          "counter": "bookmark_create_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Raindrop Io MCP Server, so you can run agents against it safely.

FAQ

Questions about bookmark_create

What does the bookmark_create tool do? +

Add a new bookmark to a collection. The system will automatically extract title, description, and other metadata from the URL. It is categorised as a Write tool in the Raindrop Io 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 bookmark_create? +

Register the Raindrop Io MCP Server MCP server in PolicyLayer and add a rule for bookmark_create: 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 Raindrop Io MCP Server. Nothing to install.

What risk level is bookmark_create? +

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

Can I rate-limit bookmark_create? +

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

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

bookmark_create is provided by the Raindrop Io MCP Server MCP server (kazuph/mcp-raindrop). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.