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list_common_containers

List common container base images.

SERVERLudus FastMCP SOURCEtjnull/ludus-fastmcp
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/tjnull-ludus-fastmcp/list-common-containers.md

What list_common_containers does on Ludus FastMCP

AI agents call list_common_containers to retrieve information from Ludus FastMCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why list_common_containers is rated Low

This tool performs a simple data retrieval operation to list container images. It has no side effects, does not modify any state, does not execute code or commands, and does not delete or create resources. The action is informational only, making it a Read category tool with low severity since disclosure of container image names poses minimal security risk.

From the tool's definition Tool name 'list_common_containers' and description 'List common container base images' indicate a read-only query operation that retrieves and displays data without modifying or executing anything.

Questions about list_common_containers

What does the list_common_containers tool do? +

List common container base images. It is categorised as a Read tool in the Ludus FastMCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_common_containers? +

Register the Ludus Fast MCP server in PolicyLayer and add a rule for list_common_containers: 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 Ludus FastMCP. Nothing to install.

What risk level is list_common_containers? +

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

Can I rate-limit list_common_containers? +

Yes. Add a rate_limit block to the list_common_containers 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_common_containers completely? +

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

list_common_containers is provided by the Ludus Fast MCP server (tjnull/ludus-fastmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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