get_masterdata_document

THE RISK

Low Risk

Why get_masterdata_document needs a policy

This tool performs data retrieval only. It accesses customer profiles and custom entities but does not create, modify, delete, or execute any operations. The read-only nature and lack of side effects places it in the Read category with low severity, as data retrieval poses minimal risk compared to write, execute, or destructive operations.

From the tool's definition The tool retrieves a document from VTEX Master Data v2 using 'Get', which is a standard read operation. The description explicitly states it 'Get[s] a document' without modification, deletion, or execution components.

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

POLICY

How to control get_masterdata_document

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for get_masterdata_document:

policy.json

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

get_masterdata_document 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 Ap2 — 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 →

Free to start. No card required.

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_masterdata_document

What does the get_masterdata_document tool do? +

Get a document (customer profile, custom entity) from VTEX Master Data v2. It is categorised as a Read tool in the Mcp Ap2 MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_masterdata_document? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for get_masterdata_document: 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 Ap2. Nothing to install.

What risk level is get_masterdata_document? +

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

Can I rate-limit get_masterdata_document? +

Yes. Add a rate_limit block to the get_masterdata_document 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_masterdata_document completely? +

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

get_masterdata_document is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →