update_guest_settings

Update workspace guest settings. Control read-only guest access and guest sign-up permissions.

SERVERHuly SOURCE@firfi/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/io-github-dearlordylord-huly-mcp/update-guest-settings.md

WHAT IT DOES

What update_guest_settings does on Huly

AI agents use update_guest_settings 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 update_guest_settings is rated Medium

The tool modifies workspace configuration (read-only access and sign-up permissions) but does not delete data or execute arbitrary code. The changes are reversible and represent a Write-class action. Severity is medium because misconfiguration of guest access could grant unintended access to workspace resources, but the impact is limited to guest settings and does not directly move money or delete data.

From the tool's definition Tool description states 'Update workspace guest settings' — this is a modification operation that changes configuration settings for guest access and sign-up permissions.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_guest_settings Rate-limited

update_guest_settings 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": {
    "update_guest_settings": {
      "limits": [
        {
          "counter": "update_guest_settings_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 update_guest_settings call is checked against it from then on.

FAQ

Questions about update_guest_settings

What does the update_guest_settings tool do? +

Update workspace guest settings. Control read-only guest access and guest sign-up permissions. 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 update_guest_settings? +

Register the Huly MCP server in PolicyLayer and add a rule for update_guest_settings: 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 update_guest_settings? +

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

Can I rate-limit update_guest_settings? +

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

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

update_guest_settings 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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