List companies and their observers (optionally filtered by IDs).
AI agents call list_company_observers 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 and queries observer information associated with companies. It performs a lookup operation with optional filtering, returning data without modifying, creating, or deleting anything. This is a clear Read operation with minimal blast radius if misused by an AI agent—at worst, information disclosure of observer metadata.
From the tool's definition Tool name contains 'list' and description states 'List companies and their observers'; the verb 'list' and lack of any modification, deletion, or execution language indicates a retrieval operation with no side effects.
Attacks that exploit this kind of access
List companies and their observers (optionally filtered by IDs). 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 list_company_observers: 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.
list_company_observers 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_company_observers 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_company_observers. 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_company_observers 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.
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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