mongodb_create_collection · MCP Mac Apps Server MCP

WHAT IT DOES

What mongodb_create_collection does on MCP Mac Apps Server

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

WHY IT NEEDS A POLICY

Why mongodb_create_collection needs a policy

Creating a new collection is a reversible Write operation—it modifies the database schema by adding a new container for data, but the action can be undone by deleting the collection. It does not execute arbitrary code, destroy existing data, or move money. Confidence is high despite the Russian description being slightly terse; the intent is clear from the operation name and MongoDB context.

From the tool's definition Tool name is 'mongodb_create_database' [sic: should be 'mongodb_create_collection']; description states 'Создает новую коллекцию в указанной базе данных' (Russian: 'Creates a new collection in the specified database').

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mongodb_create_collection Rate-limited

mongodb_create_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": {
    "mongodb_create_collection": {
      "limits": [
        {
          "counter": "mongodb_create_collection_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 MCP Mac Apps Server, so you can run agents against it safely.

FAQ

Questions about mongodb_create_collection

What does the mongodb_create_collection tool do? +

Создает новую коллекцию в указанной базе данных. It is categorised as a Write tool in the MCP Mac Apps 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 mongodb_create_collection? +

Register the MCP Mac Apps Server MCP server in PolicyLayer and add a rule for mongodb_create_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 Mac Apps Server. Nothing to install.

What risk level is mongodb_create_collection? +

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

Can I rate-limit mongodb_create_collection? +

Yes. Add a rate_limit block to the mongodb_create_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 mongodb_create_collection completely? +

Set action: deny in the PolicyLayer policy for mongodb_create_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 mongodb_create_collection? +

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