wa_disconnect_instance
Gracefully disconnect a WhatsApp instance. The session is preserved for reconnection.
This record as markdown: /tools/delltrak-wamcp/wa-disconnect-instance.md
What wa_disconnect_instance does on WA MCP
AI agents invoke wa_disconnect_instance to trigger actions in WA MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why wa_disconnect_instance is rated High
This tool triggers an external operation — disconnecting a WhatsApp instance — which affects its connectivity state. It is not purely destructive since the session is preserved for reconnection, but it does execute an action that interrupts service. Misuse could cause an AI agent to disconnect active WhatsApp sessions, disrupting communication.
From the tool's definition Gracefully disconnect a WhatsApp instance. The session is preserved for reconnection.
Attacks that exploit this kind of access
The rule that runs wa_disconnect_instance 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_disconnect_instance, this is the rule to start with:
wa_disconnect_instance stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect WA MCP, apply this rule, and every wa_disconnect_instance call is checked against it from then on.
Questions about wa_disconnect_instance
Gracefully disconnect a WhatsApp instance. The session is preserved for reconnection. It is categorised as a Execute tool in the WA MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the WA MCP server in PolicyLayer and add a rule for wa_disconnect_instance: 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.
wa_disconnect_instance is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the wa_disconnect_instance 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.
Set action: deny in the PolicyLayer policy for wa_disconnect_instance. 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.
wa_disconnect_instance 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.
More on WA, and thousands of servers like it.
This server
Across the catalogue