get_cohort_analysis
AI agents call get_cohort_analysis to retrieve information from Northbeam MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool is part of a marketing analytics server where all sibling tools are read operations that query and retrieve data without modifying anything. Cohort analysis is a standard analytical query that segments users/customers into groups to analyze behavior over time. No side effects or data modification is implied. Confidence is high but not absolute due to empty description, though context is very clear.
From the tool's definition Tool name is 'get_cohort_analysis' and sibling tools are all data retrieval operations (get_attribution, get_channel_performance, get_metric, list_dimensions, list_metrics).
Attacks that exploit this kind of access
get_cohort_analysis. It is categorised as a Read tool in the Northbeam MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Northbeam MCP Server MCP server in PolicyLayer and add a rule for get_cohort_analysis: 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 Northbeam MCP Server. Nothing to install.
get_cohort_analysis 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_cohort_analysis 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_cohort_analysis. 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_cohort_analysis is provided by the Northbeam MCP Server MCP server (mattcoatsworth/northbeam-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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