Get a list of all folders in Anybox with their IDs, names, colors, and bookmark counts.
AI agents call list_folders to retrieve information from Anybox MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about folder structures without creating, modifying, or deleting any data. It is a straightforward read operation with minimal risk if misused by an AI agent, as it only exposes bookmark organization metadata that would typically be accessible to an authenticated user.
From the tool's definition Tool description states it 'Get a list of all folders in Anybox' - a retrieval operation with no modification or deletion of data. The function returns metadata about existing folders (IDs, names, colors, bookmark counts) without side effects.
Documented attack patterns abuse exactly the kind of access list_folders gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Anybox MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_folders:
{
"version": "1",
"default": "deny",
"tools": {
"list_folders": {}
}
}list_folders is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a list of all folders in Anybox with their IDs, names, colors, and bookmark counts. It is categorised as a Read tool in the Anybox MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Anybox MCP Server MCP server in PolicyLayer and add a rule for list_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 Anybox MCP Server. Nothing to install.
list_folders 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 list_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.
Set action: deny in the PolicyLayer policy for list_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.
list_folders is provided by the Anybox MCP Server MCP server (tommertron/anyboxmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Anybox MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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4 Anybox MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.