Get Reserved Instance purchase recommendations from AWS Cost Explorer.
AI agents call get_reserved_instance_recommendations 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 queries AWS Cost Explorer to retrieve purchase recommendations—it is a read-only operation that retrieves data to inform decision-making. While recommendations may guide future financial decisions, the tool itself does not commit, execute, or modify any resources or financial obligations. The user must independently decide whether to act on these recommendations.
From the tool's definition Tool name 'get_reserved_instance_recommendations' and description 'Get Reserved Instance purchase recommendations from AWS Cost Explorer' indicate retrieval of analysis and recommendations with no modification, creation, or deletion of AWS resources or…
Attacks that exploit this kind of access
Get Reserved Instance purchase recommendations from AWS Cost Explorer. 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 get_reserved_instance_recommendations: 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.
get_reserved_instance_recommendations 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 get_reserved_instance_recommendations 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 get_reserved_instance_recommendations. 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.
get_reserved_instance_recommendations 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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