Analyze Lambda function performance metrics including cold starts, duration, and errors
AI agents call analyze_lambda_performance to retrieve information from Lambda Performance 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 analyzes AWS Lambda performance metrics (cold starts, duration, errors). It performs no mutations, deletions, code execution, or financial operations. It is a read-only analysis tool with no side effects on Lambda functions or infrastructure. Low severity because misuse would only expose performance telemetry, not enable destructive or financial actions.
From the tool's definition Tool is named 'analyze_lambda_performance' and described as 'Analyze Lambda function performance metrics including cold starts, duration, and errors' — purely retrieves and analyzes existing performance data without modifying, deleting, or executing code.
Attacks that exploit this kind of access
Analyze Lambda function performance metrics including cold starts, duration, and errors. It is categorised as a Read tool in the Lambda Performance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Lambda Performance MCP Server MCP server in PolicyLayer and add a rule for analyze_lambda_performance: 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 Lambda Performance MCP Server. Nothing to install.
analyze_lambda_performance 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 analyze_lambda_performance 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 analyze_lambda_performance. 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.
analyze_lambda_performance is provided by the Lambda Performance MCP Server MCP server (jghidalgo/lambda-performance-mcp-nodejs). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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