get_receivables_transactions

THE RISK

Low Risk

Why get_receivables_transactions needs a policy

This tool retrieves financial transaction data but does not execute payments, modify records, or delete information. It is a passive query operation on the AFIP electronic invoicing system. While it accesses sensitive financial data, the read-only nature and lack of side effects place it in the Read category with low severity. Confidence is high because the description explicitly uses 'Get' (retrieval) language.

From the tool's definition Tool description states 'Get receivables transactions' — a retrieval operation with no modification or destructive intent. The verb 'get' and context of querying 'payment rails / acquirer data' indicate read-only access to transaction history.

Documented attack patterns abuse exactly the kind of access get_receivables_transactions gives an agent:

POLICY

How to control get_receivables_transactions

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Afip, and nothing reaches the server without passing your rules. This is the rule we recommend for get_receivables_transactions:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_receivables_transactions": {}
  }
}

get_receivables_transactions is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mcp Afip — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More Mcp Afip tools

Financial authorize_transaction Authorize a transaction (reserve funds without capturing) via Braintree GraphQL authorizeP Financial cancel_collection Cancel a scheduled collection request Financial cancel_credit Cancel an authorized-but-uncaptured credit payment. Financial cancel_payment Attempt to cancel a payment that has not yet settled. Iniciador endpoint: POST /payments/{ Financial cancel_payment_intent Cancel a payment intent that has not yet been captured. Fails on already-captured intents; Financial cancel_recurrence Cancel an active recurrence. Future charges will stop; already-charged cycles are untouche Financial cancel_subscription Cancel a subscription by ID Financial revoke_token Revoke an issued access_token or refresh_token at POST /v1/token/revoke. Use to terminate

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_receivables_transactions

What does the get_receivables_transactions tool do? +

Get receivables transactions for a link (payment rails / acquirer data). It is categorised as a Read tool in the Mcp Afip MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_receivables_transactions? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for get_receivables_transactions: 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 Afip. Nothing to install.

What risk level is get_receivables_transactions? +

get_receivables_transactions is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_receivables_transactions? +

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

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

get_receivables_transactions is provided by the Mcp Afip MCP server (codespar/mcp-dev-latam). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Afip tool call.

Start from Mcp Afip, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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