create_url_collection · MCP-Server MCP: Risk & Policy

WHAT IT DOES

What create_url_collection does on MCP-Server

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

WHY IT NEEDS A POLICY

Why create_url_collection needs a policy

This tool creates a new collection object for organizing shortened URLs. It is reversible (the collection can be deleted) and has no side effects beyond data creation. It does not retrieve, execute, delete irreversibly, or involve financial transactions.

From the tool's definition Tool description states 'Create a new URL collection' — the word 'create' indicates a write operation that adds a new data structure (a collection) to the system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_url_collection Rate-limited

create_url_collection 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": {
    "create_url_collection": {
      "limits": [
        {
          "counter": "create_url_collection_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-Server, so you can run agents against it safely.

FAQ

Questions about create_url_collection

What does the create_url_collection tool do? +

Create a new URL collection for organizing shortened URLs. It is categorised as a Write tool in the 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 create_url_collection? +

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

What risk level is create_url_collection? +

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

Can I rate-limit create_url_collection? +

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

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

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