get_extracted_data

ServerMcp Afip
CategoryRead

WHAT IT DOES

What get_extracted_data does on Mcp Afip

AI agents call get_extracted_data to retrieve information from Mcp Afip without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why get_extracted_data needs a policy

This tool retrieves OCR-extracted data (name, document number, issuer, birthdate) from a completed identity verification process. The operation is read-only with no side effects; it only fetches and returns structured data that has already been processed. There is no creation, modification, deletion, or execution of code involved.

From the tool's definition Tool description explicitly states 'fetch the structured OCR result' and 'Returns 409 if the process has not yet reached FINISHED' — indicating a retrieval operation with no modification, deletion, or execution of external code.

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

POLICY

How to control get_extracted_data

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_extracted_data:

policy.json

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

get_extracted_data 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

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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_extracted_data

What does the get_extracted_data tool do? +

IDCheck: fetch the structured OCR result for a finished process — typed fields (name, document number, issuer, birthdate, etc.) plus per-field confidence and the raw text blocks. Returns 409 if the process has not yet reached FINISHED. 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_extracted_data? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for get_extracted_data: 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_extracted_data? +

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

Can I rate-limit get_extracted_data? +

Yes. Add a rate_limit block to the get_extracted_data 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_extracted_data completely? +

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

get_extracted_data 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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