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pay_invoice

Initiate payment for an owned, unpaid invoice. Returns a PayRam checkout_url; the invoice settles (and the VPS provisions) automatically once the on-chain payment confirms.

Part of the EQVPS — Crypto VPS for AI agents server.

pay_invoice can move real money through EQVPS — Crypto VPS for AI agents, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents use pay_invoice to initiate financial transactions through EQVPS — Crypto VPS for AI agents. Financial operations involve real money and are irreversible once processed. PolicyLayer blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.

pay_invoice moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. PolicyLayer blocks financial tools by default, requiring human-in-the-loop approval with configurable spending limits per transaction and per time window.

Financial tools involve real money. Block by default and require explicit human approval before enabling.

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

See the full EQVPS — Crypto VPS for AI agents policy for all 16 tools.

Get this rule live on your own EQVPS — Crypto VPS for AI agents server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access pay_invoice gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so pay_invoice only ever does what you allow.

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Other financial tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the pay_invoice tool do? +

Initiate payment for an owned, unpaid invoice. Returns a PayRam checkout_url; the invoice settles (and the VPS provisions) automatically once the on-chain payment confirms.. It is categorised as a Financial tool in the EQVPS — Crypto VPS for AI agents MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on pay_invoice? +

Register the EQVPS — Crypto VPS for AI agents MCP server in PolicyLayer and add a rule for pay_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 EQVPS — Crypto VPS for AI agents. Nothing to install.

What risk level is pay_invoice? +

pay_invoice 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 pay_invoice? +

Yes. Add a rate_limit block to the pay_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.

How do I block pay_invoice completely? +

Set action: deny in the PolicyLayer policy for pay_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.

What MCP server provides pay_invoice? +

pay_invoice is provided by the EQVPS — Crypto VPS for AI agents MCP server (https://mcp.eqvps.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every EQVPS — Crypto VPS for AI agents tool call.

Deterministic rules across all 16 EQVPS — Crypto VPS for AI agents tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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