AI agents call list_dashboard_tabs to retrieve information from Metabase without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about dashboard tab configuration without creating, modifying, or deleting any data. It is a straightforward read operation on dashboard metadata, posing minimal risk even if misused by an agent.
From the tool's definition Tool name contains 'list' and description states 'List all tabs configured on a dashboard' — a direct query operation with no side effects.
Attacks that exploit this kind of access
List all tabs configured on a dashboard. It is categorised as a Read tool in the Metabase MCP Server, which means it retrieves data without modifying state.
Register the Metabase MCP server in PolicyLayer and add a rule for list_dashboard_tabs: 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. Nothing to install.
list_dashboard_tabs 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_dashboard_tabs 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_dashboard_tabs. 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_dashboard_tabs is provided by the Metabase MCP server (voducdan/matebase-mcp). 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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