list_tables_ntopng_database
AI agents call list_tables_ntopng_database to retrieve information from Mcp Ntopng without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description, the 'list_tables' prefix strongly suggests this retrieves database schema metadata without modifying data. Classified as Read because listing database tables is an information-gathering operation with no side effects. Severity is low as it provides structural information about the database without exposing sensitive network traffic data itself.
From the tool's definition Tool name contains 'list_tables' which indicates a query/retrieval operation on the ntopng database. All sibling tools on this server are data retrieval operations (fetch_*, get_*) with no modification or destructive intent.
Attacks that exploit this kind of access
list_tables_ntopng_database. It is categorised as a Read tool in the Mcp Ntopng MCP Server, which means it retrieves data without modifying state.
Register the Mcp Ntopng MCP server in PolicyLayer and add a rule for list_tables_ntopng_database: 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 Mcp Ntopng. Nothing to install.
list_tables_ntopng_database 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_tables_ntopng_database 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_tables_ntopng_database. 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_tables_ntopng_database is provided by the Mcp Ntopng MCP server (marcoeg/mcp-server-ntopng). 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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