List all configured doctypes and their permissions
AI agents call list_doctypes 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 queries system metadata (doctype definitions and permission rules) without creating, modifying, deleting, or executing operations. It is a read-only discovery/enumeration operation, consistent with ERPNext's administrative metadata queries. The blast radius of misuse is minimal—an attacker gains visibility into schema structure but cannot alter data or trigger actions.
From the tool's definition Tool name 'list_doctypes' and description 'List all configured doctypes and their permissions' indicate retrieval of metadata without modification or deletion.
Attacks that exploit this kind of access
List all configured doctypes and their permissions. 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 list_doctypes: 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.
list_doctypes 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 list_doctypes 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 list_doctypes. 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.
list_doctypes is provided by the ERPNext MCP Server MCP server (zero056/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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