device_voice_hints_set

SERVERYaver SOURCEyaver-cli

Medium RISK CLASS

Category Write

Parameters 41 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-kivanccakmak-yaver/device-voice-hints-set.md

WHAT IT DOES

What device_voice_hints_set does on Yaver

AI agents use device_voice_hints_set to create or update resources in Yaver, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Yaver environment.

Parameter	Type	Required	Description
`add`	array	—	Add these spoken names, keeping existing ones.
`hints`	array	—	Replace the whole list. Pass [] to clear.
`remove`	array	—	Remove these spoken names.
`deviceId`	string	Yes	Full deviceId of the machine to name.

Parameters from the server's own tool schema.

RISK

Why device_voice_hints_set is rated Medium

This tool modifies device configuration (spoken names/hints) in a reversible manner. It does not delete irreversibly, execute arbitrary code, move money, or query data without side effects. The 'set/add/remove' operations on hints constitute Write-category mutations.

From the tool's definition Tool description states "Set the SPOKEN names for a device" and allows passing "hints[] to replace the whole list, or add[]/remove[] to mutate it." These are create/modify operations on device metadata.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs device_voice_hints_set safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Yaver, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For device_voice_hints_set, this is the rule to start with:

device_voice_hints_set Rate-limited

device_voice_hints_set 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": {
    "device_voice_hints_set": {
      "limits": [
        {
          "counter": "device_voice_hints_set_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 Yaver, apply this rule, and every device_voice_hints_set call is checked against it from then on.

FAQ

Questions about device_voice_hints_set

What does the device_voice_hints_set tool do? +

Set the SPOKEN names for a device — the names a user says out loud, e.g. "my mac mini", "the box at maltepe", "work laptop". Distinct from alias (one short token typed at a shell): hints are many and natural-language. They are what lets a driver say "switch to my mac mini" on CarPlay, where no device picker may be shown on screen. Pass hints[] to replace the whole list, or add[]/remove[] to mutate it. Max 12 per device. It is categorised as a Write tool in the Yaver MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does device_voice_hints_set accept? +

device_voice_hints_set accepts 4 parameters: add, hints, remove, deviceId. Required: deviceId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on device_voice_hints_set? +

Register the Yaver MCP server in PolicyLayer and add a rule for device_voice_hints_set: 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 Yaver. Nothing to install.

What risk level is device_voice_hints_set? +

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

Can I rate-limit device_voice_hints_set? +

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

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

device_voice_hints_set is provided by the Yaver MCP server (yaver-cli). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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