garden_finalizeInvoice
Issue a draft invoice (POST /v1/garden/invoices/{invoice}/finalize)
This record as markdown: /tools/onesi-genesis-mcp/garden-finalizeinvoice.md
What garden_finalizeInvoice does on Genesis
AI agents use garden_finalizeInvoice to commit financial operations through Genesis, usually the final step of a payment, billing, or trading workflow. A call moves real money.
| Parameter | Type | Required | Description |
|---|---|---|---|
invoice | string | Yes | Invoice id (inv_...) |
if_match | string | integer | Yes | The version you read (the `version` field of the object you are changing, or its ETag); a stale version is a 409 |
Parameters from the server's own tool schema.
Why garden_finalizeInvoice is rated Critical
garden_finalizeInvoice moves real money, and an autonomous agent will call it with the same confidence it calls a search tool. A misread instruction or an injected prompt is all it takes to drain an account or blow a budget.
Attacks that exploit this kind of access
The rule that runs garden_finalizeInvoice safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Genesis, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For garden_finalizeInvoice, this is the rule to start with:
Any call to garden_finalizeInvoice is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Genesis, apply this rule, and every garden_finalizeInvoice call is checked against it from then on.
Questions about garden_finalizeInvoice
Issue a draft invoice (POST /v1/garden/invoices/{invoice}/finalize). It is categorised as a Financial tool in the Genesis MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
garden_finalizeInvoice accepts 2 parameters: invoice, if_match. Required: invoice, if_match. The full parameter table on this page comes from the server's own tool schema.
Register the Genesis MCP server in PolicyLayer and add a rule for garden_finalizeInvoice: 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 Genesis. Nothing to install.
garden_finalizeInvoice is a Financial 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 garden_finalizeInvoice 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 garden_finalizeInvoice. 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.
garden_finalizeInvoice is provided by the Genesis MCP server (@onesi/genesis-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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