create_purchase_voucher · TallyPrime MCP Server MCP

WHAT IT DOES

What create_purchase_voucher does on TallyPrime MCP Server

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

WHY IT NEEDS A POLICY

Why create_purchase_voucher needs a policy

This tool creates purchase vouchers—financial transaction records in an accounting system. While the description is empty (lowering confidence slightly), the tool name combined with the server's stated capability to enable 'creating vouchers' and the pattern of sibling create_* tools all operating on financial records clearly indicates a Write operation.

From the tool's definition Tool name 'create_purchase_voucher' and sibling tools pattern (create_journal_voucher, create_ledger, create_payment_voucher, create_receipt_voucher, create_sales_voucher) all create financial records. Server enables 'creating vouchers' per description.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_purchase_voucher Rate-limited

create_purchase_voucher 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_purchase_voucher": {
      "limits": [
        {
          "counter": "create_purchase_voucher_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 TallyPrime MCP Server, so you can run agents against it safely.

FAQ

Questions about create_purchase_voucher

What does the create_purchase_voucher tool do? +

create_purchase_voucher. It is categorised as a Write tool in the TallyPrime 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_purchase_voucher? +

Register the TallyPrime MCP Server MCP server in PolicyLayer and add a rule for create_purchase_voucher: 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 TallyPrime MCP Server. Nothing to install.

What risk level is create_purchase_voucher? +

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

Can I rate-limit create_purchase_voucher? +

Yes. Add a rate_limit block to the create_purchase_voucher 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_purchase_voucher completely? +

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

create_purchase_voucher is provided by the TallyPrime MCP Server MCP server (svharivinod/tallyprime-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.