siigo_update_payment_receipt · Siigo MCP Server MCP

WHAT IT DOES

What siigo_update_payment_receipt does on Siigo MCP Server

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

WHY IT NEEDS A POLICY

Why siigo_update_payment_receipt needs a policy

This tool modifies existing financial records (payment receipts) in an accounting system, which is a reversible write operation. While it affects financial data, it updates rather than moves money or creates financial obligations, so it falls under Write rather than Financial.

From the tool's definition Tool name contains 'update' and description states 'Update an existing payment receipt'. Payment receipts are financial documents in accounting software that record money received.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

siigo_update_payment_receipt Rate-limited

siigo_update_payment_receipt 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": {
    "siigo_update_payment_receipt": {
      "limits": [
        {
          "counter": "siigo_update_payment_receipt_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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

FAQ

Questions about siigo_update_payment_receipt

What does the siigo_update_payment_receipt tool do? +

Update an existing payment receipt. It is categorised as a Write tool in the Siigo 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 siigo_update_payment_receipt? +

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

What risk level is siigo_update_payment_receipt? +

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

Can I rate-limit siigo_update_payment_receipt? +

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

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

siigo_update_payment_receipt is provided by the Siigo MCP Server MCP server (jdlar1/siigo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.