AI agents call liara_list_apps to retrieve information from Liara MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and displays a list of existing applications. It has no side effects, does not modify data, and does not trigger deployments or infrastructure changes. It is a straightforward read operation with minimal security impact.
From the tool's definition Tool name 'liara_list_apps' and description 'List all apps/projects in your Liara account' indicate a query operation that retrieves information without modifying, deleting, or executing actions.
Documented attack patterns abuse exactly the kind of access liara_list_apps gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Liara MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for liara_list_apps:
{
"version": "1",
"default": "deny",
"tools": {
"liara_list_apps": {}
}
}liara_list_apps is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all apps/projects in your Liara account. It is categorised as a Read tool in the Liara MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Liara MCP Server MCP server in PolicyLayer and add a rule for liara_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 Liara MCP Server. Nothing to install.
liara_list_apps 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 liara_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.
Set action: deny in the PolicyLayer policy for liara_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.
liara_list_apps is provided by the Liara MCP Server MCP server (razavioo/liara-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Liara MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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108 Liara MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.