whatsapp_send_template

Send a WhatsApp template message (required for first contact or >24h since last message).

SERVERUnClick SOURCE@unclick/mcp-server

Medium RISK CLASS

Category Write

Parameters 64 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/whatsapp-send-template.md

WHAT IT DOES

What whatsapp_send_template does on UnClick

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

Parameter	Type	Required	Description
`to`	string	Yes
`language`	string	—	Language code, e.g. en_US (default)
`components`	object	—	Array of template component objects for variable substitution
`bearer_token`	string	Yes
`template_name`	string	Yes
`phone_number_id`	string	Yes

Parameters from the server's own tool schema.

RISK

Why whatsapp_send_template is rated Medium

This tool sends messages via WhatsApp, which modifies state in an external messaging system by creating a new message record and delivering it to recipients. This is a Write action (creates/transmits data) rather than Read (no data retrieval).

From the tool's definition Send a WhatsApp template message — the verb 'send' indicates the tool creates and transmits a message, which is a reversible write operation. The description specifies it is 'required for first contact', confirming it initiates outbound communication.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs whatsapp_send_template safely

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

whatsapp_send_template Rate-limited

whatsapp_send_template 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": {
    "whatsapp_send_template": {
      "limits": [
        {
          "counter": "whatsapp_send_template_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 UnClick, apply this rule, and every whatsapp_send_template call is checked against it from then on.

FAQ

Questions about whatsapp_send_template

What does the whatsapp_send_template tool do? +

Send a WhatsApp template message (required for first contact or >24h since last message). It is categorised as a Write tool in the UnClick MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does whatsapp_send_template accept? +

whatsapp_send_template accepts 6 parameters: to, language, components, bearer_token, template_name, phone_number_id. Required: to, bearer_token, template_name, phone_number_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on whatsapp_send_template? +

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

What risk level is whatsapp_send_template? +

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

Can I rate-limit whatsapp_send_template? +

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

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

whatsapp_send_template is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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