list_service_categories

List service categories (groups for booking services like "Treatments", "Classes").

SERVERFavCRM SOURCEhttps://api.favcrm.io/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/io-favcrm-favcrm/list-service-categories.md

WHAT IT DOES

What list_service_categories does on FavCRM

AI agents call list_service_categories to retrieve information from FavCRM without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_service_categories is rated Low

This tool retrieves and displays existing service category data without modifying, deleting, or executing any operations. It is a straightforward read operation that poses minimal risk if invoked by an AI agent, as it only returns informational data about how services are organized in the CRM system.

From the tool's definition Tool name contains 'list' and description states 'List service categories', indicating data retrieval with no side effects. Returns configuration/reference data about service groupings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_service_categories safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FavCRM, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_service_categories, this is the rule to start with:

list_service_categories Allowed

list_service_categories 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": {
    "list_service_categories": {}
  }
}

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

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

FAQ

Questions about list_service_categories

What does the list_service_categories tool do? +

List service categories (groups for booking services like "Treatments", "Classes"). It is categorised as a Read tool in the FavCRM MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_service_categories? +

Register the FavCRM MCP server in PolicyLayer and add a rule for list_service_categories: 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 FavCRM. Nothing to install.

What risk level is list_service_categories? +

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

Can I rate-limit list_service_categories? +

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

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

list_service_categories is provided by the FavCRM MCP server (https://api.favcrm.io/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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