memory_create_entities

Create and store multiple new entities in the user

SERVERVaultAssist SOURCE3xcaffeine/mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/3xcaffeine-mcp-server/memory-create-entities.md

WHAT IT DOES

What memory_create_entities does on VaultAssist

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

RISK

Why memory_create_entities is rated Medium

This tool creates and persists new entities, which is a reversible write operation. The incomplete description ('in the user') suggests data creation within a user's workspace/account. Given the server's context (Google Workspace integration), this likely creates records in Drive, Sheets, or similar services.

From the tool's definition Tool name and description indicate it 'Create and store multiple new entities in the user' — a write operation that creates new data structures or records.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs memory_create_entities safely

PolicyLayer is an MCP gateway: it sits between your AI agents and VaultAssist, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For memory_create_entities, this is the rule to start with:

memory_create_entities Rate-limited

memory_create_entities 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": {
    "memory_create_entities": {
      "limits": [
        {
          "counter": "memory_create_entities_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect VaultAssist, apply this rule, and every memory_create_entities call is checked against it from then on.

FAQ

Questions about memory_create_entities

What does the memory_create_entities tool do? +

Create and store multiple new entities in the user. It is categorised as a Write tool in the VaultAssist MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on memory_create_entities? +

Register the VaultAssist MCP server in PolicyLayer and add a rule for memory_create_entities: 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 VaultAssist. Nothing to install.

What risk level is memory_create_entities? +

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

Can I rate-limit memory_create_entities? +

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

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

memory_create_entities is provided by the VaultAssist MCP server (3xcaffeine/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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