Lấy custom fields của request
AI agents call get_request_custom_fields to retrieve information from ServiceDesk Plus 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 custom field information associated with a request in ServiceDesk Plus. The 'get_' prefix and query-like nature confirm it performs a read-only operation that returns data without creating, modifying, deleting, or executing any actions. Severity is low because reading request metadata poses minimal risk even if an AI agent accesses it inappropriately.
From the tool's definition Tool name 'get_request_custom_fields' and description 'Lấy custom fields của request' (Vietnamese: 'Get custom fields of request') indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Lấy custom fields của request. It is categorised as a Read tool in the ServiceDesk Plus MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ServiceDesk Plus MCP Server MCP server in PolicyLayer and add a rule for get_request_custom_fields: 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 ServiceDesk Plus MCP Server. Nothing to install.
get_request_custom_fields 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_request_custom_fields 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_request_custom_fields. 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_request_custom_fields is provided by the ServiceDesk Plus MCP Server MCP server (thichcode/servicedeskplus_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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