snow_create_purchase_order

Open a purchase order (proc_po) against a vendor, with optional requested_by user and total_cost. Captures the buy-side step after a procurement request has been approved.

SERVERSerac SOURCEserac-labs/serac

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/serac/snow-create-purchase-order.md

WHAT IT DOES

What snow_create_purchase_order does on Serac

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

RISK

Why snow_create_purchase_order is rated Critical

Creating a purchase order is a financial commitment — it binds the organization to pay a vendor for goods or services. This directly falls under the Financial category as it moves money or commits financial obligations. Misuse could result in unauthorized procurement commitments of arbitrary value.

From the tool's definition Open a purchase order (proc_po) against a vendor, with optional requested_by user and total_cost. Captures the buy-side step after a procurement request has been approved.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs snow_create_purchase_order safely

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

snow_create_purchase_order Approval-gated

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

FAQ

Questions about snow_create_purchase_order

What does the snow_create_purchase_order tool do? +

Open a purchase order (proc_po) against a vendor, with optional requested_by user and total_cost. Captures the buy-side step after a procurement request has been approved. It is categorised as a Financial tool in the Serac MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on snow_create_purchase_order? +

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

What risk level is snow_create_purchase_order? +

snow_create_purchase_order 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 snow_create_purchase_order? +

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

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

snow_create_purchase_order is provided by the Serac MCP server (serac-labs/serac). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Serac, and thousands of servers like it.

This server

All 432 Serac tools → Critical-risk tools on this server →

Across the catalogue

place_limit_order on Lighter MCP →place_order on MCP MetaTrader 4 Server →fundos_create_capital_call on Fundos →place_order on A2a Demos → All critical-risk MCP tools → The MCP Attack Database →

Guides

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