Find EC2 launch templates not used by any Auto Scaling Group or instance.
AI agents call find_unused_launch_templates to retrieve information from AWS FinOps MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about EC2 launch templates and their usage status. It performs a read-only analysis across ASGs and instances to identify templates that are not in use. There are no side effects—no resources are created, modified, deleted, or executed. The tool is part of a FinOps optimization suite designed to help identify cost-saving opportunities through reporting.
From the tool's definition Tool name 'find_unused_launch_templates' and description 'Find EC2 launch templates not used by any Auto Scaling Group or instance' indicate a query operation that retrieves and reports on unused resources without modifying or deleting them.
Attacks that exploit this kind of access
Find EC2 launch templates not used by any Auto Scaling Group or instance. It is categorised as a Read tool in the AWS FinOps MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AWS FinOps MCP Server MCP server in PolicyLayer and add a rule for find_unused_launch_templates: 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 AWS FinOps MCP Server. Nothing to install.
find_unused_launch_templates 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 find_unused_launch_templates 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 find_unused_launch_templates. 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.
find_unused_launch_templates is provided by the AWS FinOps MCP Server MCP server (prashantgupta123/aws-pillar-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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