ledger-create-update · Tally Prime MCP Server MCP

WHAT IT DOES

What ledger-create-update does on Tally Prime MCP Server

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

WHY IT NEEDS A POLICY

Why ledger-create-update needs a policy

This tool modifies financial ledger master data in Tally Prime, a core ERP system. While it is reversible (Write rather than Destructive), the impact is high because ledger data is fundamental to financial record-keeping, audit trails, and compliance. Misuse by an AI agent could corrupt financial records or create fraudulent entries.

From the tool's definition Tool description explicitly states "create or update ledger master data in Tally Prime, returns success count of created and / or altered records." The words "create or update" and "altered records" confirm write operations on financial ledger data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ledger-create-update Rate-limited

ledger-create-update 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": {
    "ledger-create-update": {
      "limits": [
        {
          "counter": "ledger-create-update_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 Tally Prime MCP Server, so you can run agents against it safely.

FAQ

Questions about ledger-create-update

What does the ledger-create-update tool do? +

create or update ledger master data in Tally Prime, returns success count of created and / or altered records. It is categorised as a Write tool in the Tally Prime 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 ledger-create-update? +

Register the Tally Prime MCP Server MCP server in PolicyLayer and add a rule for ledger-create-update: 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 Tally Prime MCP Server. Nothing to install.

What risk level is ledger-create-update? +

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

Can I rate-limit ledger-create-update? +

Yes. Add a rate_limit block to the ledger-create-update 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 ledger-create-update completely? +

Set action: deny in the PolicyLayer policy for ledger-create-update. 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 ledger-create-update? +

ledger-create-update is provided by the Tally Prime MCP Server MCP server (qalalabs/tally-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.