paypal_invoices

List, create, or send PayPal invoices.

SERVERUnClick SOURCE@unclick/mcp-server

Critical RISK CLASS

Category Financial

Parameters 82 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/paypal-invoices.md

WHAT IT DOES

What paypal_invoices does on UnClick

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

Parameter	Type	Required	Description
`page`	number	—
`action`	string	—	list, create, or send (default: list)
`invoice`	object	—	Invoice object for action='create'
`sandbox`	boolean	—
`client_id`	string	Yes
`page_size`	number	—
`invoice_id`	string	—	Required for action='send'
`client_secret`	string	Yes

Parameters from the server's own tool schema.

RISK

Why paypal_invoices is rated Critical

This tool can create and send PayPal invoices, which constitutes committing financial obligations and initiating payment requests. Creating and sending invoices directly involves financial transactions. The Financial category applies as the most severe, and the blast radius is critical since a misused agent could send fraudulent or erroneous invoices to customers.

From the tool's definition List, create, or send PayPal invoices

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs paypal_invoices safely

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

paypal_invoices Approval-gated

Any call to paypal_invoices 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": {
    "paypal_invoices": {
      "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 UnClick, apply this rule, and every paypal_invoices call is checked against it from then on.

FAQ

Questions about paypal_invoices

What does the paypal_invoices tool do? +

List, create, or send PayPal invoices. It is categorised as a Financial tool in the UnClick MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does paypal_invoices accept? +

paypal_invoices accepts 8 parameters: page, action, invoice, sandbox, client_id, page_size, invoice_id, client_secret. Required: client_id, client_secret. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on paypal_invoices? +

Register the UnClick MCP server in PolicyLayer and add a rule for paypal_invoices: 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 UnClick. Nothing to install.

What risk level is paypal_invoices? +

paypal_invoices 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 paypal_invoices? +

Yes. Add a rate_limit block to the paypal_invoices 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 paypal_invoices completely? +

Set action: deny in the PolicyLayer policy for paypal_invoices. 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 paypal_invoices? +

paypal_invoices is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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Guides

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