Get transactional email statistics
AI agents call get_transactional_stats to retrieve information from Campaign Monitor MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves statistics about transactional emails, which is a query/fetch operation with no side effects. It does not create, modify, delete data, or trigger external operations. The most severe category applicable is Read, with low severity since unauthorized access to email statistics has limited blast radius compared to more privileged operations like deleting subscribers or executing arbitrary campaigns.
From the tool's definition Tool name 'get_transactional_stats' and description 'Get transactional email statistics' indicate data retrieval only. The verb 'get' is a read operation that queries statistics without modifying, deleting, or executing external actions.
Attacks that exploit this kind of access
Get transactional email statistics. It is categorised as a Read tool in the Campaign Monitor MCP MCP Server, which means it retrieves data without modifying state.
Register the Campaign Monitor MCP server in PolicyLayer and add a rule for get_transactional_stats: 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 Campaign Monitor MCP. Nothing to install.
get_transactional_stats 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_transactional_stats 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_transactional_stats. 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_transactional_stats is provided by the Campaign Monitor MCP server (pauliowest/cmon-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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