AI agents call get_documents to retrieve information from ERPNext MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or lists existing documents by doctype, with no side effects or state changes. It is a read-only query operation. Severity is low because data retrieval from an ERP system, while potentially sensitive, carries minimal blast radius compared to write, execute, destructive, or financial operations on the same system.
From the tool's definition Tool name 'get_documents' and description 'Get a list of documents for a specific doctype' indicate querying/retrieving data without modification. Returns document lists from an ERP system.
Documented attack patterns abuse exactly the kind of access get_documents gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and ERPNext MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_documents:
{
"version": "1",
"default": "deny",
"tools": {
"get_documents": {}
}
}get_documents is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a list of documents for a specific doctype. It is categorised as a Read tool in the ERPNext MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ERPNext MCP Server MCP server in PolicyLayer and add a rule for get_documents: 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 ERPNext MCP Server. Nothing to install.
get_documents 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 get_documents 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 get_documents. 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.
get_documents is provided by the ERPNext MCP Server MCP server (rakeshgangwar/erpnext-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 11 ERPNext MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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11 ERPNext MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.