custom_describe_sales_persons
[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP).
This record as markdown: /tools/tyron-pretorius-marketo-mcp/custom-describe-sales-persons.md
What custom_describe_sales_persons does on Marketo MCP Server
AI agents call custom_describe_sales_persons to retrieve information from Marketo MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why custom_describe_sales_persons is rated Low
The tool retrieves or queries salesperson data from Marketo, which is a Read operation. Severity is medium (not low) because access to salesperson/user information in a marketing automation platform could reveal organizational structure, contact details, or account hierarchies that may have competitive or privacy value if exposed to unauthorized parties.
From the tool's definition Tool name 'describe_sales_persons' indicates data retrieval/query operation. Description states it 'Calls the Marketo REST API directly' for what appears to be fetching salesperson information without modifying data. No side effects mentioned.
Attacks that exploit this kind of access
The rule that runs custom_describe_sales_persons safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Marketo MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For custom_describe_sales_persons, this is the rule to start with:
custom_describe_sales_persons is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Marketo MCP Server, apply this rule, and every custom_describe_sales_persons call is checked against it from then on.
Questions about custom_describe_sales_persons
[CUSTOM] Calls the Marketo REST API directly (not Adobe's native MCP). 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 custom_describe_sales_persons: 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.
custom_describe_sales_persons 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 custom_describe_sales_persons 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 custom_describe_sales_persons. 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.
custom_describe_sales_persons 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.
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