browse_folders

Browse folders in Marketo to find valid folder IDs.

SERVERMarketo MCP Server SOURCEtyron-pretorius/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/tyron-pretorius-marketo-mcp/browse-folders.md

WHAT IT DOES

What browse_folders does on Marketo MCP Server

AI agents call browse_folders 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 browse_folders is rated Low

This tool queries and lists folder structures to retrieve folder IDs, which is a read-only operation. It has no destructive, financial, or executable side effects. The blast radius is minimal—an AI agent misusing this tool could only access unintended folder metadata, not modify or delete data.

From the tool's definition Tool name 'browse_folders' and description 'Browse folders in Marketo to find valid folder IDs' indicate a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

browse_folders Allowed

browse_folders 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": {
    "browse_folders": {}
  }
}

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 browse_folders call is checked against it from then on.

FAQ

Questions about browse_folders

What does the browse_folders tool do? +

Browse folders in Marketo to find valid folder IDs. 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 browse_folders? +

Register the Marketo MCP Server MCP server in PolicyLayer and add a rule for browse_folders: 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 browse_folders? +

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

Can I rate-limit browse_folders? +

Yes. Add a rate_limit block to the browse_folders 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 browse_folders completely? +

Set action: deny in the PolicyLayer policy for browse_folders. 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 browse_folders? +

browse_folders 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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