list_dm_messages

List messages in a direct-message conversation, newest first. The

SERVERHuly SOURCEdugynoo/huly-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/dugynoo-huly-mcp/list-dm-messages.md

WHAT IT DOES

What list_dm_messages does on Huly

AI agents call list_dm_messages 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.

RISK

Why list_dm_messages is rated Low

This tool queries and returns existing direct messages without creating, modifying, deleting, or executing any operations. It is a pure read operation with minimal blast radius—retrieving message history poses no risk of unintended data modification or external effects.

From the tool's definition Tool name 'list_dm_messages' and description 'List messages in a direct-message conversation, newest first' indicate a retrieval operation with no modification or execution capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_dm_messages Allowed

list_dm_messages 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_dm_messages": {}
  }
}

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

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

FAQ

Questions about list_dm_messages

What does the list_dm_messages tool do? +

List messages in a direct-message conversation, newest first. The. It is categorised as a Read tool in the Huly MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_dm_messages? +

Register the Huly MCP server in PolicyLayer and add a rule for list_dm_messages: 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.

What risk level is list_dm_messages? +

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

Can I rate-limit list_dm_messages? +

Yes. Add a rate_limit block to the list_dm_messages 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_dm_messages completely? +

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

list_dm_messages is provided by the Huly MCP server (dugynoo/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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