despezzas_duplicate_transaction
Duplica transação. Exige confirm=true.
This record as markdown: /tools/despezzas-mcp/despezzas-duplicate-transaction.md
What despezzas_duplicate_transaction does on Despezzas
AI agents use despezzas_duplicate_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.
Why despezzas_duplicate_transaction is rated Medium
The tool creates (writes) a new transaction record by duplicating an existing one. While it involves financial data, it does not move money or commit financial obligations—it merely replicates a transaction record. This is reversible (the duplicate can be deleted), so it falls under Write rather than Destructive.
From the tool's definition Tool name includes 'duplicate_transaction' and description states 'Duplica transação' (duplicates a transaction). This creates a new copy of an existing financial transaction record.
Attacks that exploit this kind of access
The rule that runs despezzas_duplicate_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_duplicate_transaction, this is the rule to start with:
despezzas_duplicate_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.
The button opens the PolicyLayer dashboard: create your workspace, connect Despezzas, apply this rule, and every despezzas_duplicate_transaction call is checked against it from then on.
Questions about despezzas_duplicate_transaction
Duplica transação. Exige confirm=true. 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.
Register the Despezzas MCP server in PolicyLayer and add a rule for despezzas_duplicate_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.
despezzas_duplicate_transaction is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the despezzas_duplicate_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.
Set action: deny in the PolicyLayer policy for despezzas_duplicate_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.
despezzas_duplicate_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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