send_dm_message
Send a message to a direct-message conversation. The
This record as markdown: /tools/dugynoo-huly-mcp/send-dm-message.md
What send_dm_message does on Huly
AI agents use send_dm_message to create or update resources in Huly, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Huly environment.
Why send_dm_message is rated Medium
This tool creates a new piece of data (a direct message) in a reversible manner. Users can delete or edit messages after sending, making it a Write operation rather than Destructive.
From the tool's definition Tool name is 'send_dm_message' and description states 'Send a message to a direct-message conversation.' This creates a new message artifact in the system.
Attacks that exploit this kind of access
The rule that runs send_dm_message 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 send_dm_message, this is the rule to start with:
send_dm_message stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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 send_dm_message call is checked against it from then on.
Questions about send_dm_message
Send a message to a direct-message conversation. The. It is categorised as a Write tool in the Huly MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Huly MCP server in PolicyLayer and add a rule for send_dm_message: 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.
send_dm_message is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the send_dm_message 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 send_dm_message. 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.
send_dm_message 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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