👥 [SAFE - REQUIRES ADMIN] List all Metabase users. Requires admin permissions. Use this to see who has access to Metabase. Risk: None - read-only, but may fail if not admin.
AI agents call list_users to retrieve information from Metabase 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 query operation that retrieves user account metadata. While it requires admin permissions to execute, the operation itself has no side effects and cannot harm data or systems. The blast radius is limited to information disclosure about user accounts, which is low severity. The confidence is high because the description unambiguously indicates read-only retrieval.
From the tool's definition Tool description explicitly states 'List all Metabase users' and 'read-only'. The tool retrieves user information without modifying, executing, or deleting data.
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
👥 [SAFE - REQUIRES ADMIN] List all Metabase users. Requires admin permissions. Use this to see who has access to Metabase. Risk: None - read-only, but may fail if not admin. It is categorised as a Read tool in the Metabase MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Metabase MCP 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 Metabase MCP 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 Metabase MCP Server MCP server (mikela92/metabase-mcp-mab). 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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