void-invoice
API to delete invoice by invoice id
This record as markdown: /tools/drausal-gohighlevel-mcp/void-invoice.md
What void-invoice does on GoHighLevel MCP Server
AI agents call void-invoice to permanently remove resources in GoHighLevel MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why void-invoice is rated Critical
Voiding an invoice is a destructive action that irreversibly removes or marks a financial record as invalid. This cannot be undone and affects accounting records, audit trails, and financial reporting. While it involves financial data, the primary risk is the destructive nature of the deletion rather than the movement of money itself.
From the tool's definition API to delete invoice by invoice id - the tool description explicitly states it deletes (void) an invoice, which is an irreversible financial document destruction operation.
Attacks that exploit this kind of access
The rule that runs void-invoice safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GoHighLevel MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For void-invoice, this is the rule to start with:
void-invoice is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect GoHighLevel MCP Server, apply this rule, and every void-invoice call is checked against it from then on.
Questions about void-invoice
API to delete invoice by invoice id. It is categorised as a Destructive tool in the GoHighLevel MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for void-invoice: 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 GoHighLevel MCP Server. Nothing to install.
void-invoice is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the void-invoice 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 void-invoice. 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.
void-invoice is provided by the GoHighLevel MCP Server MCP server (drausal/gohighlevel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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