create_scope

THE RISK

Medium Risk

Why create_scope needs a policy

This tool creates a new scope object in Apache Unomi, which is a reversible write operation. Scopes in Unomi are configuration entities that define data boundaries and privacy contexts. While creation is a form of data modification, it is reversible (can typically be deleted or disabled) and does not directly execute arbitrary code, delete existing data irreversibly, or move funds.

From the tool's definition Tool name 'create_scope' and description 'Create a new Unomi scope' indicate creation of a new configuration/data object. The verb 'Create' is explicitly stated.

Documented attack patterns abuse exactly the kind of access create_scope gives an agent:

POLICY

How to control create_scope

PolicyLayer is an MCP gateway — it sits between your AI agents and Inoyu Apache Unomi MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_scope:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_scope": {
      "limits": [
        {
          "counter": "create_scope_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

create_scope 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.

Create a free account and register Inoyu Apache Unomi MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More Inoyu Apache Unomi MCP Server tools

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All 9 Inoyu Apache Unomi MCP Server tools →

Write tools on other servers

M-Team MCP Server download_torrent YouTube MCP Server generate_video_title Android Forensics ADB MCP Server combine_reports 0xarchive web3_signup

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about create_scope

What does the create_scope tool do? +

Create a new Unomi scope. It is categorised as a Write tool in the Inoyu Apache Unomi 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_scope? +

Register the Inoyu Apache Unomi MCP Server MCP server in PolicyLayer and add a rule for create_scope: 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 Inoyu Apache Unomi MCP Server. Nothing to install.

What risk level is create_scope? +

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

Can I rate-limit create_scope? +

Yes. Add a rate_limit block to the create_scope 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_scope completely? +

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

create_scope is provided by the Inoyu Apache Unomi MCP Server MCP server (inoyu-dev/inoyu-mcp-unomi-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Inoyu Apache Unomi MCP Server tool call.

Start from Inoyu Apache Unomi MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →