Retrieve top-k flows data from the ntopng flows database.
AI agents call get_ntopng_top-k_flows 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.
This tool retrieves network flow statistics from ntopng's database without making any changes to the underlying data. The 'get' prefix and 'retrieve' verb confirm it is a read-only query operation. Even though it accesses network monitoring data, unauthorized access poses only informational risk (network visibility), not operational risk.
From the tool's definition Tool name 'get_ntopng_top-k_flows' and description 'Retrieve top-k flows data from the ntopng flows database' indicate a data retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Retrieve top-k flows data from the ntopng flows 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 get_ntopng_top-k_flows: 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.
get_ntopng_top-k_flows 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 get_ntopng_top-k_flows 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 get_ntopng_top-k_flows. 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.
get_ntopng_top-k_flows 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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