create_buy_purchase_order · Sanka MCP Server MCP

WHAT IT DOES

What create_buy_purchase_order does on Sanka MCP Server

AI agents use create_buy_purchase_order to create or update resources in Sanka MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sanka MCP Server environment.

WHY IT NEEDS A POLICY

Why create_buy_purchase_order needs a policy

This tool creates new financial records (Purchase Orders) which are reversible through subsequent actions (e.g., cancellation, amendment), placing it in Write rather than Financial or Destructive. However, it carries high severity because PO creation commits organizational resources and establishes vendor obligations that could have significant financial impact if misused by an unsupervised agent.

From the tool's definition Tool creates Purchase Order records ('Create or reuse Sanka Company and Purchase Order records'). The sibling tools include financial operations like 'activate_invoice', 'activate_order', 'approve_payroll_run', and 'approve_record_approval', indicating this…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_buy_purchase_order Rate-limited

create_buy_purchase_order stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_buy_purchase_order": {
      "limits": [
        {
          "counter": "create_buy_purchase_order_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Sanka MCP Server, so you can run agents against it safely.

FAQ

Questions about create_buy_purchase_order

What does the create_buy_purchase_order tool do? +

Create or reuse Sanka Company and Purchase Order records from an approved Sanka Buy request. It is categorised as a Write tool in the Sanka MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_buy_purchase_order? +

Register the Sanka MCP Server MCP server in PolicyLayer and add a rule for create_buy_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 Sanka MCP Server. Nothing to install.

What risk level is create_buy_purchase_order? +

create_buy_purchase_order is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_buy_purchase_order? +

Yes. Add a rate_limit block to the create_buy_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 create_buy_purchase_order completely? +

Set action: deny in the PolicyLayer policy for create_buy_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 create_buy_purchase_order? +

create_buy_purchase_order is provided by the Sanka MCP Server MCP server (sankahq/sanka-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.