marketo_get_smart_list_by_id

Retrieve a single smart list by its numeric ID. Returns the smart list definition including filter rules and membership criteria.

SERVERMarketo MCP Server SOURCEalexleventer/marketo-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/alexleventer-marketo-mcp/marketo-get-smart-list-by-id.md

WHAT IT DOES

What marketo_get_smart_list_by_id does on Marketo MCP Server

AI agents call marketo_get_smart_list_by_id 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.

RISK

Why marketo_get_smart_list_by_id is rated Low

This tool performs a read-only query operation against the Marketo API to fetch an existing smart list's configuration. It retrieves and returns data without side effects, altering state, or triggering external operations. There is no risk of data loss, financial impact, or code execution. The blast radius of misuse is minimal—an agent can only view smart list definitions it is authorized to access.

From the tool's definition Tool name contains 'get' and description states 'Retrieve a single smart list by its numeric ID.' The operation returns data (smart list definition, filter rules, membership criteria) with no modification, creation, or deletion.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs marketo_get_smart_list_by_id 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 marketo_get_smart_list_by_id, this is the rule to start with:

marketo_get_smart_list_by_id Allowed

marketo_get_smart_list_by_id is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "marketo_get_smart_list_by_id": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Marketo MCP Server, apply this rule, and every marketo_get_smart_list_by_id call is checked against it from then on.

FAQ

Questions about marketo_get_smart_list_by_id

What does the marketo_get_smart_list_by_id tool do? +

Retrieve a single smart list by its numeric ID. Returns the smart list definition including filter rules and membership criteria. It is categorised as a Read tool in the Marketo MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on marketo_get_smart_list_by_id? +

Register the Marketo MCP Server MCP server in PolicyLayer and add a rule for marketo_get_smart_list_by_id: 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.

What risk level is marketo_get_smart_list_by_id? +

marketo_get_smart_list_by_id is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit marketo_get_smart_list_by_id? +

Yes. Add a rate_limit block to the marketo_get_smart_list_by_id 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.

How do I block marketo_get_smart_list_by_id completely? +

Set action: deny in the PolicyLayer policy for marketo_get_smart_list_by_id. 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.

What MCP server provides marketo_get_smart_list_by_id? +

marketo_get_smart_list_by_id is provided by the Marketo MCP Server MCP server (alexleventer/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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