whatsmcp

Unpair Account

wa_unpair_account

Destructive

Disconnect a WhatsApp or Telegram account from this service. The account stops sending and receiving immediately. Message history is kept. Re-connecting requires pairing again (scanning a new code), so ask the user before calling this.

Input Schema

Name	Required	Description	Default
`account_id`	Yes	the account to disconnect, from wa_list_accounts

Output Schema

Name	Required	Description
`note`	Yes	what happened, and what was kept
`state`	Yes	logged_out once the account has been disconnected
`refusal`	No	present only when the request was declined
`account_id`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedNov 2, 2026

changedOutput schema / properties / refusal / properties / account_status / description

Previous value: -"when the number is not working: its status — starting, not_running, whatsapp_down, suspended, pairing, unlinked or locked"New value: +"when the number is not working: its status — starting, not_running, whatsapp_down (telegram_down for a Telegram account), suspended, pairing, unlinked or locked"

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 14, 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"
+}

First observedSep 27, 2026

TDQS

A4.5/5.0

Behavior5/5

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

Goes well beyond the annotations (destructiveHint=true) by specifying the concrete consequence: sending and receiving stop immediately, message history is preserved, and reversal costs the user a re-pairing scan. That is exactly the pre-call context an agent needs before an irreversible-feeling action.

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?

Four short sentences, front-loaded with the action and consequence, ending with the safety instruction. No filler or redundancy.

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

Completeness5/5

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

A destructive mutation with a documented output schema and strong annotations; the description covers state change, data retention, reversibility, and the confirmation requirement. Nothing an agent needs is missing.

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 account_id including its source ('from wa_list_accounts'). The description adds only the account-type context (WhatsApp/Telegram) and nothing about the identifier's format, so the baseline of 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?

States a specific verb ('Disconnect') and resource ('a WhatsApp or Telegram account'), plus the scope ('from this service'). The clause about re-connecting requiring pairing implicitly distinguishes it from wa_pair_account, so an agent can route correctly.

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

Usage Guidelines4/5

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

Gives explicit behavioral guidance: 'ask the user before calling this' because re-connection requires a new pairing code. It does not name the counterpart sibling (wa_pair_account) explicitly, but the scenario is unambiguous.

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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