download_card_image
AI agents call download_card_image to retrieve information from Metabase Mcp Navi without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Downloading a card image retrieves and exports visualization data from Metabase without altering the underlying data, dashboards, or cards. This is a read-only operation. Confidence is slightly reduced due to empty description, but the tool name and server context strongly indicate a retrieval function.
From the tool's definition Tool name 'download_card_image' indicates retrieval of an image representation of a card (dashboard visualization). The verb 'download' is a read operation that retrieves data without modification.
Attacks that exploit this kind of access
download_card_image. It is categorised as a Read tool in the Metabase Mcp Navi MCP Server, which means it retrieves data without modifying state.
Register the Metabase Mcp Navi MCP server in PolicyLayer and add a rule for download_card_image: 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 Navi. Nothing to install.
download_card_image 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 download_card_image 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 download_card_image. 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.
download_card_image is provided by the Metabase Mcp Navi MCP server (manish-coder-1007/metabase-mcp-navi). 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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