List all databases connected to Metabase.
AI agents call list_databases 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.
This tool queries and returns information about connected databases without creating, modifying, deleting, or executing anything. It is a straightforward read operation with minimal blast radius if misused by an AI agent.
From the tool's definition Tool name is 'list_databases' and description states 'List all databases connected to Metabase' — a retrieval operation with no modifications or side effects.
Attacks that exploit this kind of access
List all databases connected to Metabase. 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 list_databases: 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.
list_databases 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_databases 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_databases. 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_databases 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.
list_databases is one line of Metabase Mcp Navi'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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