WhatsMCP: MCP for WhatsApp

Delete WhatsApp Business Template

wa_delete_template

Destructive

Delete a WhatsApp Business message template from one of your Business (Cloud API) numbers — one language, or every language of the name when language is omitted. Meta blocks reusing a deleted template's name for a while.

Input Schema

Name	Required	Description
`name`	Yes	the template name
`language`	No	delete only this language, e.g. pt_BR; omit to delete every language of the name
`account_id`	Yes	the Business (Cloud API) account that owns the template

Output Schema

Name	Required	Description	Default
`deleted`	No	true when Meta deleted it
`refusal`	No	present only when the call was declined

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 26, 2026

addedOutput schema / properties / refusal / properties / candidates

Added value: +{
+  "description": "on an account_ambiguous refusal: the accounts to choose from — retry with one of these as account_id",
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "account_id": {
+        "description": "the id to retry with as account_id",
+        "type": "string"
+      },
+      "name": {
+        "description": "the account's WhatsApp display name",
+        "type": "string"
+      },
+      "phone": {
+        "description": "the account's phone number, E.164",
+        "type": "string"
+      },
+      "status": {
+        "description": "whether the number works right now — live, connecting, or why not, as wa_list_accounts reports it",
+        "type": "string"
+      }
+    },
+    "required": [
+      "account_id"
+    ],
+    "type": "object"
+  },
+  "type": [
+    "null",
+    "array"
+  ]
+}

Changed3 schema fields changedOct 11, 2026

addedOutput schema / properties / refusal / properties / account_status

Added value: +{
+  "description": "when the number is not working: its status — starting, not_running, whatsapp_down, suspended, pairing, unlinked or locked",
+  "type": "string"
+}

addedOutput schema / properties / refusal / properties / account_status_reason

Added value: +{
+  "description": "the detail of account_status, e.g. no_egress, stopped, no_plan",
+  "type": "string"
+}

addedOutput schema / properties / refusal / properties / since

Added value: +{
+  "description": "when the number stopped working, RFC3339, when known",
+  "type": "string"
+}

AddedOct 5, 2026

TDQS

A4/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare destructiveHint=true and idempotentHint=false, so the description's added value is the Meta-side consequence: a deleted template's name is blocked from reuse for a while. That is genuinely useful non-obvious behavior, though it stops short of saying what happens when the name or language doesn't exist.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence that packs scope, the language-omission rule, and the name-reuse warning with no filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists and annotations cover the destructive profile, so the description only needs scope and side effects, both of which it supplies. The one gap is behavior on invalid name/language or partial multi-language deletion failures, which an agent might reasonably want before invoking a destructive call.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the schema already documents all three parameters including the 'omit to delete every language' semantics. The description only restates the language-omission rule and adds no format details (e.g. case sensitivity, locale validation), so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Specific verb (delete) plus resource (WhatsApp Business message template) and scope (one language, or all languages when omitted). It is clearly distinguishable from the sibling wa_create_template and from other wa_delete_* tools that target messages, groups, or webhooks.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use it by describing the two deletion modes, but it never names the alternative (e.g. wa_list_templates to find the name first, or wa_create_template to recreate) and gives no prerequisites such as permissions or confirming the template exists. Usage is inferable but not spelled out.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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