list_apps

List UI apps in the registry (reusable across all chats). Lists the user

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/list-apps.md

WHAT IT DOES

What list_apps does on Open Mcp Apps

AI agents call list_apps 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 list_apps is rated Low

Tool retrieves app registry data without modifying or executing anything; pure read operation.

From the tool's definition List UI apps in the registry. Lists the user

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_apps 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 list_apps, this is the rule to start with:

list_apps Allowed

list_apps 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": {
    "list_apps": {}
  }
}

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 list_apps call is checked against it from then on.

FAQ

Questions about list_apps

What does the list_apps tool do? +

List UI apps in the registry (reusable across all chats). Lists the user. 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 list_apps? +

Register the Open Mcp Apps MCP server in PolicyLayer and add a rule for list_apps: 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 list_apps? +

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

Can I rate-limit list_apps? +

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

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

list_apps 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.

KEEP EXPLORING

More on Open Mcp Apps, and thousands of servers like it.

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All 32 Open Mcp Apps tools →

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Guides

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