List users by organization. Returns a list of users with details like userid, email, role etc
AI agents call list_users_by_org to retrieve information from Grafana MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only operation that retrieves and lists user information. It queries existing data (user details by organization) without creating, modifying, deleting, or executing anything. The blast radius of misuse is low—an attacker could enumerate users and roles but cannot directly harm systems or data through this tool alone.
From the tool's definition Tool name 'list_users_by_org' and description 'List users...Returns a list of users with details like userid, email, role etc' indicate a query operation with no side effects. Returns user metadata without modification or deletion.
Attacks that exploit this kind of access
List users by organization. Returns a list of users with details like userid, email, role etc. It is categorised as a Read tool in the Grafana MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Grafana MCP Server MCP server in PolicyLayer and add a rule for list_users_by_org: 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 Grafana MCP Server. Nothing to install.
list_users_by_org 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_by_org 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_by_org. 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_by_org is provided by the Grafana MCP Server MCP server (0xteamhq/mcp-grafana). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list_users_by_org is one line of Grafana MCP 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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