Get live metrics for a specific A/B experiment broken down by variant — CTR, conversion rate, revenue per session, and statistical significance.
AI agents call get_experiment_metrics to retrieve information from NeuronSearchLab without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns experiment metrics without side effects. It is a pure read operation that retrieves analytics data about an A/B experiment. While the underlying data may be sensitive (business metrics), the tool itself performs no destructive, executable, or financial action. The blast radius of misuse is limited to information disclosure, justifying 'low' severity.
From the tool's definition Tool description states 'Get live metrics' — a retrieval operation that returns CTR, conversion rate, revenue per session, and statistical significance data. No modification, deletion, code execution, or financial transaction is performed.
Attacks that exploit this kind of access
Get live metrics for a specific A/B experiment broken down by variant — CTR, conversion rate, revenue per session, and statistical significance. It is categorised as a Read tool in the NeuronSearchLab MCP Server, which means it retrieves data without modifying state.
Register the NeuronSearchLab MCP server in PolicyLayer and add a rule for get_experiment_metrics: 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 NeuronSearchLab. Nothing to install.
get_experiment_metrics 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_experiment_metrics 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_experiment_metrics. 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_experiment_metrics is provided by the NeuronSearchLab MCP server (neuronsearchlab/mcp). 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.
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