Performs retrieval from the AWS Knowledge Base using the provided query and Knowledge Base ID.
AI agents call retrieve_from_aws_kb to retrieve information from Helm Chart CLI without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information from a knowledge base—a read-only operation that queries existing data without creating, modifying, deleting, or executing code. The word 'retrieval' explicitly denotes information fetching. No destructive, financial, or execution capabilities are implied.
From the tool's definition Tool name 'retrieve_from_aws_kb' and description 'Performs retrieval from the AWS Knowledge Base' indicate querying/fetching data with no modifications or side effects.
Attacks that exploit this kind of access
Performs retrieval from the AWS Knowledge Base using the provided query and Knowledge Base ID. It is categorised as a Read tool in the Helm Chart CLI MCP Server, which means it retrieves data without modifying state.
Register the Helm Chart CLI MCP server in PolicyLayer and add a rule for retrieve_from_aws_kb: 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 Helm Chart CLI. Nothing to install.
retrieve_from_aws_kb 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 retrieve_from_aws_kb 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 retrieve_from_aws_kb. 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.
retrieve_from_aws_kb is provided by the Helm Chart CLI MCP server (jeff-nasseri/servers). 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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