Get current values of a list-type field in a workflow instance.
AI agents call get_workflow_field_list_values to retrieve information from InvGate Service Desk without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves (reads) the current state of a list-type field within a workflow instance. It performs no data modification, deletion, code execution, or financial operations. The blast radius of misuse is minimal — an agent could only view workflow field data, not alter it. This is a standard read/query operation.
From the tool's definition Tool name 'get_workflow_field_list_values' uses 'get' verb and description states 'Get current values' — indicates retrieval without modification. The action is to retrieve field values from a workflow instance, which is a query operation with no side effects.
Attacks that exploit this kind of access
Get current values of a list-type field in a workflow instance. It is categorised as a Read tool in the InvGate Service Desk MCP Server, which means it retrieves data without modifying state.
Register the InvGate Service Desk MCP server in PolicyLayer and add a rule for get_workflow_field_list_values: 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 InvGate Service Desk. Nothing to install.
get_workflow_field_list_values 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_workflow_field_list_values 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_workflow_field_list_values. 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_workflow_field_list_values is provided by the InvGate Service Desk MCP server (oci:ghcr.io/tracegazer/invgate-service-desk-mcp:0.2.0). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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