app_store_list

Browse the built-in App Store: ready-made, high-quality apps shipped with the engine that the user can install into their registry. Shows install state. Renders no UI — open_app {app: \

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/app-store-list.md

WHAT IT DOES

What app_store_list does on Open Mcp Apps

AI agents call app_store_list 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 app_store_list is rated Low

Tool queries and displays available apps; retrieval-only with no side effects or state modification.

From the tool's definition Browse the built-in App Store, Shows install state. Renders no UI.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

app_store_list Allowed

app_store_list 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": {
    "app_store_list": {}
  }
}

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 app_store_list call is checked against it from then on.

FAQ

Questions about app_store_list

What does the app_store_list tool do? +

Browse the built-in App Store: ready-made, high-quality apps shipped with the engine that the user can install into their registry. Shows install state. Renders no UI — open_app {app: \. 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 app_store_list? +

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

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

Can I rate-limit app_store_list? +

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

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

app_store_list 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

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