Get a single document by DocType and name.
AI agents call get_document 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 queries a single document from the ERPNext system without any side effects. It is a straightforward read operation that does not create, modify, delete, or execute code. The blast radius is minimal — misuse would only expose existing data that the user's ERPNext permissions already govern.
From the tool's definition Tool name is 'get_document' and description states 'Get a single document by DocType and name' — a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get a single document by DocType and name. 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_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 ERPNext MCP Server. Nothing to install.
get_document 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_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.
Set action: deny in the PolicyLayer policy for get_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.
get_document is provided by the ERPNext MCP Server MCP server (yazelin/erpnext-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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