get_ui_preference_schema

SERVEROpen Mcp Apps SOURCE@2nd1st/open-mcp-apps

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/2nd1st-open-mcp-apps/get-ui-preference-schema.md

WHAT IT DOES

What get_ui_preference_schema does on Open Mcp Apps

AI agents call get_ui_preference_schema to retrieve information from Open Mcp Apps without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_ui_preference_schema is rated Low

Tool retrieves preference schema without modifying data or triggering side effects.

From the tool's definition Read-only catalog of preferences and their metadata

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_ui_preference_schema safely

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

get_ui_preference_schema Allowed

get_ui_preference_schema is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_ui_preference_schema": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about get_ui_preference_schema

What does the get_ui_preference_schema tool do? +

The engine-owned catalog of SHARED preferences (key, type, label, default, options) that the settings app renders. Apps read effective values via oma.pref(); this tool only describes what exists. Read-only. It is categorised as a Read tool in the Open Mcp Apps MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_ui_preference_schema? +

Register the Open Mcp Apps MCP server in PolicyLayer and add a rule for get_ui_preference_schema: 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 Open Mcp Apps. Nothing to install.

What risk level is get_ui_preference_schema? +

get_ui_preference_schema is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_ui_preference_schema? +

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

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

get_ui_preference_schema is provided by the Open Mcp Apps MCP server (@2nd1st/open-mcp-apps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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