AI agents call list_dashboard_tab_cards 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 and lists existing dashboard cards from a specific tab. It performs a query operation without side effects—no data is created, modified, deleted, or executed. This is a straightforward Read operation with minimal risk.
From the tool's definition Tool name 'list_dashboard_tab_cards' and description 'List the cards belonging to a specific tab on a dashboard' indicate a retrieval operation with no modification or execution of code.
Attacks that exploit this kind of access
List the cards belonging to a specific tab 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_tab_cards: 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_tab_cards 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_tab_cards 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_tab_cards. 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_tab_cards 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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