Tüm kullanıcıları listeler (Yetki gerekli)
AI agents call list_users to retrieve information from MCP JSON Database Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves/queries user data with no side effects—a Read category operation. Severity is medium rather than low because listing all users could expose sensitive identity information (names, emails, roles, etc.) that could be exploited by a compromised agent for social engineering or reconnaissance, but the tool itself performs no destructive or financial operations.
From the tool's definition Tool name 'list_users' and description 'Tüm kullanıcıları listeler' (Lists all users) indicate a retrieval operation that queries user data without modification. The note '(Yetki gerekli)' (Authorization required) indicates access controls are in place.
Attacks that exploit this kind of access
Tüm kullanıcıları listeler (Yetki gerekli). It is categorised as a Read tool in the MCP JSON Database Server MCP Server, which means it retrieves data without modifying state.
Register the MCP JSON Database Server MCP server in PolicyLayer and add a rule for list_users: 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 MCP JSON Database Server. Nothing to install.
list_users 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_users 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_users. 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_users is provided by the MCP JSON Database Server MCP server (yusuferenkt/mcp-database). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list_users is one line of MCP JSON Database Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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