list_message_template_categories
List global Huly message template categories. Categories group reusable message templates across the workspace. Returns category IDs, names, descriptions, archived/private flags, and timestamps.
This record as markdown: /tools/io-github-dearlordylord-huly-mcp/list-message-template-categories.md
What list_message_template_categories does on Huly
AI agents call list_message_template_categories to retrieve information from Huly without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why list_message_template_categories is rated Low
This tool purely retrieves and queries existing message template category metadata from the Huly workspace. It performs no writes, deletions, executions, or financial operations. The action is read-only information disclosure with minimal security impact.
From the tool's definition Tool name 'list_message_template_categories' and description explicitly state it 'List[s] global Huly message template categories' and 'Returns category IDs, names, descriptions, archived/private flags, and timestamps.' The verb 'list' and 'returns' indicate…
Attacks that exploit this kind of access
The rule that runs list_message_template_categories safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Huly, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_message_template_categories, this is the rule to start with:
list_message_template_categories is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Huly, apply this rule, and every list_message_template_categories call is checked against it from then on.
Questions about list_message_template_categories
List global Huly message template categories. Categories group reusable message templates across the workspace. Returns category IDs, names, descriptions, archived/private flags, and timestamps. It is categorised as a Read tool in the Huly MCP Server, which means it retrieves data without modifying state.
Register the Huly MCP server in PolicyLayer and add a rule for list_message_template_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 Huly. Nothing to install.
list_message_template_categories 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_message_template_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.
Set action: deny in the PolicyLayer policy for list_message_template_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.
list_message_template_categories is provided by the Huly MCP server (@firfi/huly-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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