AI agents call list_stackscripts to retrieve information from Linode MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns a list of StackScripts without creating, modifying, deleting, or executing any resources. It is a simple read operation with minimal blast radius—exposure would only allow an AI agent to view metadata about available scripts, not execute them or modify infrastructure.
From the tool's definition Tool name 'list_stackscripts' and description 'Get a list of all StackScripts' indicate a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access list_stackscripts gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Linode MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_stackscripts:
{
"version": "1",
"default": "deny",
"tools": {
"list_stackscripts": {}
}
}list_stackscripts is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a list of all StackScripts. It is categorised as a Read tool in the Linode MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Linode MCP Server MCP server in PolicyLayer and add a rule for list_stackscripts: 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 Linode MCP Server. Nothing to install.
list_stackscripts 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 list_stackscripts 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 list_stackscripts. 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.
list_stackscripts is provided by the Linode MCP Server MCP server (takashito/linode-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Linode 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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416 Linode MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.