Get recent activities for a lead by email address from Marketo.
AI agents call get_lead_activities_by_email to retrieve information from Marketo MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical activity data for a lead based on an email address. It performs a read-only query of existing data with no side effects, no data modification, no execution of external operations, and no financial impact. The blast radius of misuse is minimal—an agent could potentially access unauthorized lead information if access controls are weak, but the tool itself performs no destructive action.
From the tool's definition Tool name 'get_lead_activities_by_email' and description 'Get recent activities for a lead by email address from Marketo' indicate a retrieval/query operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get recent activities for a lead by email address from Marketo. It is categorised as a Read tool in the Marketo MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Marketo MCP Server MCP server in PolicyLayer and add a rule for get_lead_activities_by_email: 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 Marketo MCP Server. Nothing to install.
get_lead_activities_by_email 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_lead_activities_by_email 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_lead_activities_by_email. 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_lead_activities_by_email is provided by the Marketo MCP Server MCP server (tyron-pretorius/marketo-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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