despezzas_prepare_update_transaction

A write tool on the Despezzas MCP server.

SERVERDespezzas SOURCEguipmilek/despezzas-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/despezzas-mcp/despezzas-prepare-update-transaction.md

WHAT IT DOES

What despezzas_prepare_update_transaction does on Despezzas

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

RISK

Why despezzas_prepare_update_transaction is rated Medium

The 'prepare' prefix suggests this tool stages or constructs an update operation on transactions without immediately executing it—a reversible write action. However, the empty description creates uncertainty about whether this is truly a preparatory step (Write) or if it actually commits changes (potentially Destructive if it overwrites transaction data).

From the tool's definition Tool name contains 'prepare_update_transaction'; part of Despezzas financial system alongside creation and update operations (despezzas_batch_update_transactions, despezzas_create_transaction).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs despezzas_prepare_update_transaction safely

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

despezzas_prepare_update_transaction Rate-limited

despezzas_prepare_update_transaction 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": {
    "despezzas_prepare_update_transaction": {
      "limits": [
        {
          "counter": "despezzas_prepare_update_transaction_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Despezzas, apply this rule, and every despezzas_prepare_update_transaction call is checked against it from then on.

FAQ

Questions about despezzas_prepare_update_transaction

What does the despezzas_prepare_update_transaction tool do? +

despezzas_prepare_update_transaction is a write tool on the Despezzas MCP server. It is categorised as a Write tool in the Despezzas MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on despezzas_prepare_update_transaction? +

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

What risk level is despezzas_prepare_update_transaction? +

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

Can I rate-limit despezzas_prepare_update_transaction? +

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

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

despezzas_prepare_update_transaction is provided by the Despezzas MCP server (guipmilek/despezzas-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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