Calculates a VAT/IVA breakdown for invoice line items in a given Latin American country, grouping amounts by tax rate and computing totals. For Brazil, returns ICMS, PIS, COFINS breakdown. For Mexico, returns IVA breakdown. For Chile/Argentina/Colombia, returns IVA breakdown. Returns { country, l...
AI agents call calculate_vat_breakdown_latam to retrieve information from Mcp Latam Business without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a pure computational tool that reads input parameters (line items, tax rates) and returns calculated VAT/IVA breakdowns. It performs no side effects: does not create, modify, or delete data; does not execute arbitrary code or external commands; does not move money or commit financial obligations.
From the tool's definition Tool description states it 'Calculates...breakdown' and 'returns' computed tax amounts—no modification of data, no execution of commands, no financial transactions. It processes input parameters to compute and display tax information.
Attacks that exploit this kind of access
Calculates a VAT/IVA breakdown for invoice line items in a given Latin American country, grouping amounts by tax rate and computing totals. For Brazil, returns ICMS, PIS, COFINS breakdown. For Mexico, returns IVA breakdown. For Chile/Argentina/Colombia, returns IVA breakdown. Returns { country, lines_summary, tax_breakdown, subtotal, total_tax, total }. Each line item requires { description, quantity, unit_price, tax_rate }. It is categorised as a Read tool in the Mcp Latam Business MCP Server, which means it retrieves data without modifying state.
Register the Mcp Latam Business MCP server in PolicyLayer and add a rule for calculate_vat_breakdown_latam: 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 Mcp Latam Business. Nothing to install.
calculate_vat_breakdown_latam is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the calculate_vat_breakdown_latam 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 calculate_vat_breakdown_latam. 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.
calculate_vat_breakdown_latam is provided by the Mcp Latam Business MCP server (josemvelez78/mcp-latam-business). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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