Analyze user retention patterns. Useful for understanding how well you retain users over time and identifying cohort behavior.
AI agents call query_retention_report to retrieve information from Mixpanel MCP 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 existing Mixpanel retention data to provide insights into user retention patterns and cohort behavior. It is purely a read operation that retrieves and processes analytics data without side effects, reversible changes, code execution, or financial implications.
From the tool's definition Tool name 'query_retention_report' and description 'Analyze user retention patterns...identifying cohort behavior' indicate data retrieval and analysis only. No modification, deletion, or execution of external operations occurs.
Attacks that exploit this kind of access
Analyze user retention patterns. Useful for understanding how well you retain users over time and identifying cohort behavior. It is categorised as a Read tool in the Mixpanel MCP MCP Server, which means it retrieves data without modifying state.
Register the Mixpanel MCP server in PolicyLayer and add a rule for query_retention_report: 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 Mixpanel MCP. Nothing to install.
query_retention_report 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 query_retention_report 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 query_retention_report. 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.
query_retention_report is provided by the Mixpanel MCP server (mendeel/mixpanel-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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