spraay_invoice_create

SERVERSpraay X402 Mcp SOURCEspraay-x402-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-plagtech-spraay-x402-mcp/spraay-invoice-create.md

WHAT IT DOES

What spraay_invoice_create does on Spraay X402 Mcp

AI agents use spraay_invoice_create to commit financial operations through Spraay X402 Mcp, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why spraay_invoice_create is rated Critical

This tool creates financial payment instruments (invoices) involving ERC-20 token transfers (USDC, USDT, DAI, EURC, WETH) on the Base blockchain. It encodes transfer transactions and has a direct financial cost, placing it firmly in the Financial category. Misuse could result in unauthorized payment requests or financial fraud.

From the tool's definition Create a payment invoice with a pre-encoded ERC-20 transfer transaction... Costs $0.005 USDC

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs spraay_invoice_create safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Spraay X402 Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For spraay_invoice_create, this is the rule to start with:

spraay_invoice_create Approval-gated

Any call to spraay_invoice_create 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": {
    "spraay_invoice_create": {
      "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 Spraay X402 Mcp, apply this rule, and every spraay_invoice_create call is checked against it from then on.

FAQ

Questions about spraay_invoice_create

What does the spraay_invoice_create tool do? +

Create a payment invoice with a pre-encoded ERC-20 transfer transaction. Supports USDC, USDT, DAI, EURC, WETH on Base. Data persists in Supabase. Returns invoice ID, payment instructions, and unsigned tx. Costs $0.005 USDC. It is categorised as a Financial tool in the Spraay X402 Mcp MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on spraay_invoice_create? +

Register the Spraay X402 MCP server in PolicyLayer and add a rule for spraay_invoice_create: 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 Spraay X402 Mcp. Nothing to install.

What risk level is spraay_invoice_create? +

spraay_invoice_create 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 spraay_invoice_create? +

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

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

spraay_invoice_create is provided by the Spraay X402 MCP server (spraay-x402-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Spraay X402, and thousands of servers like it.

This server

All 183 Spraay X402 tools → Critical-risk tools on this server →

Across the catalogue

fundos_create_capital_call on Fundos →create_payment on Shopmonkey MCP Server →create_agent on Conviction →pay_invoice on Bitcoin MCP Server → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →