AI agents call get_folders to retrieve information from OmniFocus 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 and returns folder information in a hierarchical format. It is a straightforward read operation with no side effects, modifications, or external triggers. The user is simply querying existing data structure with no capability to create, delete, or execute actions.
From the tool's definition Tool name 'get_folders' with description 'Get all folders with hierarchy' indicates a retrieval operation that queries the folder structure without modifying any data.
Documented attack patterns abuse exactly the kind of access get_folders gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and OmniFocus MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_folders:
{
"version": "1",
"default": "deny",
"tools": {
"get_folders": {}
}
}get_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 all folders with hierarchy. It is categorised as a Read tool in the OmniFocus MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OmniFocus MCP Server MCP server in PolicyLayer and add a rule for get_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 OmniFocus MCP Server. Nothing to install.
get_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 get_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 get_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.
get_folders is provided by the OmniFocus MCP Server MCP server (s-morgan-jeffries/omnifocus-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from OmniFocus 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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21 OmniFocus MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.