save_message

Save/bookmark an activity message for later reference.

SERVERHuly SOURCEdugynoo/huly-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/dugynoo-huly-mcp/save-message.md

WHAT IT DOES

What save_message does on Huly

AI agents use save_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.

RISK

Why save_message is rated Medium

This tool creates or modifies data (bookmarks/saved message state) in a reversible manner. It does not retrieve data (Read), execute arbitrary operations (Execute), permanently delete data (Destructive), or move money (Financial). The operation is user-initiated, non-destructive, and can be undone by removing the bookmark.

From the tool's definition Tool name 'save_message' and description 'Save/bookmark an activity message for later reference' indicate a data modification operation that creates a bookmark or saves a message state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs save_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 save_message, this is the rule to start with:

save_message Rate-limited

save_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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "save_message": {
      "limits": [
        {
          "counter": "save_message_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about save_message

What does the save_message tool do? +

Save/bookmark an activity message for later reference. 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.

How do I enforce a policy on save_message? +

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

What risk level is save_message? +

save_message is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit save_message? +

Yes. Add a rate_limit block to the save_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.

How do I block save_message completely? +

Set action: deny in the PolicyLayer policy for save_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.

What MCP server provides save_message? +

save_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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