wa_update_profile_name

Change the display name for a WhatsApp instance (max 25 characters).

SERVERWA MCP SOURCEdelltrak/wamcp

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/delltrak-wamcp/wa-update-profile-name.md

WHAT IT DOES

What wa_update_profile_name does on WA MCP

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

RISK

Why wa_update_profile_name is rated Medium

This tool creates or modifies data (the profile display name) in a reversible manner. It does not delete data (ruling out Destructive), execute arbitrary code (Execute), or move money (Financial). The blast radius is low because changing a display name has minimal security or operational impact and is easily undone.

From the tool's definition Tool description states 'Change the display name for a WhatsApp instance' — this modifies user profile data reversibly. The name prefix 'wa_update_' and verb 'Change' confirm a write operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs wa_update_profile_name safely

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

wa_update_profile_name Rate-limited

wa_update_profile_name 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": {
    "wa_update_profile_name": {
      "limits": [
        {
          "counter": "wa_update_profile_name_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 WA MCP, apply this rule, and every wa_update_profile_name call is checked against it from then on.

FAQ

Questions about wa_update_profile_name

What does the wa_update_profile_name tool do? +

Change the display name for a WhatsApp instance (max 25 characters). It is categorised as a Write tool in the WA MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on wa_update_profile_name? +

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

What risk level is wa_update_profile_name? +

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

Can I rate-limit wa_update_profile_name? +

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

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

wa_update_profile_name is provided by the WA MCP server (delltrak/wamcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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