add_invoice_line_item

Add a billable line item to a draft or sent invoice; totals are recomputed automatically. Blocked once paid/void. invoice_id is required.

SERVERMeta Council SOURCEhttps://meta-council.com/mcp

Critical RISK CLASS

Category Financial

Parameters 43 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-meta-council-decision-intelligence/add-invoice-line-item.md

WHAT IT DOES

What add_invoice_line_item does on Meta Council

AI agents use add_invoice_line_item to commit financial operations through Meta Council, usually the final step of a payment, billing, or trading workflow. A call moves real money.

Parameter	Type	Required	Description
`quantity`	number	—	Default 1.
`invoice_id`	string	Yes
`unit_price`	number	Yes
`description`	string	Yes

Parameters from the server's own tool schema.

RISK

Why add_invoice_line_item is rated Critical

Modifies invoice financial totals, directly affecting billing obligations and payment amounts.

From the tool's definition Add a billable line item to a draft or sent invoice; totals recomputed

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_invoice_line_item safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Council, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For add_invoice_line_item, this is the rule to start with:

add_invoice_line_item Approval-gated

Any call to add_invoice_line_item is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_invoice_line_item": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Meta Council, apply this rule, and every add_invoice_line_item call is checked against it from then on.

FAQ

Questions about add_invoice_line_item

What does the add_invoice_line_item tool do? +

Add a billable line item to a draft or sent invoice; totals are recomputed automatically. Blocked once paid/void. invoice_id is required. It is categorised as a Financial tool in the Meta Council MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does add_invoice_line_item accept? +

add_invoice_line_item accepts 4 parameters: quantity, invoice_id, unit_price, description. Required: invoice_id, unit_price, description. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on add_invoice_line_item? +

Register the Meta Council MCP server in PolicyLayer and add a rule for add_invoice_line_item: 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 Meta Council. Nothing to install.

What risk level is add_invoice_line_item? +

add_invoice_line_item is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit add_invoice_line_item? +

Yes. Add a rate_limit block to the add_invoice_line_item 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.

How do I block add_invoice_line_item completely? +

Set action: deny in the PolicyLayer policy for add_invoice_line_item. 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.

What MCP server provides add_invoice_line_item? +

add_invoice_line_item is provided by the Meta Council MCP server (https://meta-council.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Meta Council, and thousands of servers like it.

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Guides

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