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: \
This record as markdown: /tools/2nd1st-open-mcp-apps/app-store-list.md
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.
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
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 is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
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.
Questions about 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: \. It is categorised as a Read tool in the Open Mcp Apps MCP Server, which means it retrieves data without modifying state.
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.
app_store_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.
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.
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.
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.
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