get_probes_config

THE RISK

Low Risk

Why get_probes_config needs a policy

This tool retrieves monitoring probe and test configuration from network devices. It performs a query operation with no side effects, does not modify or delete data, and does not execute external operations. The verb 'get' and passive voice 'Get configuration' confirm read-only semantics.

From the tool's definition Tool name 'get_probes_config' and description 'Get configuration for any monitoring probes or tests running on the device' indicate retrieval of existing configuration data without modification.

Documented attack patterns abuse exactly the kind of access get_probes_config gives an agent:

POLICY

How to control get_probes_config

PolicyLayer is an MCP gateway — it sits between your AI agents and Nornir MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_probes_config:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_probes_config": {}
  }
}

get_probes_config is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Nornir MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More Nornir MCP Server tools

Execute traceroute Execute the traceroute command from the device to the specified destination. Execute send_command Send a validated read-only command or list of commands to the device. Read get_arp_table Get the device's ARP (Address Resolution Protocol) table. Read get_bgp_config Retrieve BGP configuration from the device. Read get_bgp_neighbors Get a summary of BGP (Border Gateway Protocol) neighbors. Read get_bgp_neighbors_detail Obtain a detailed view of all BGP neighbors. Read get_config Use NAPALM to retrieve device configurations (running, startup, or candidate). Read get_facts Retrieve high-level facts and information about the device (e.g., vendor, model, serial nu

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_probes_config

What does the get_probes_config tool do? +

Get configuration for any monitoring probes or tests running on the device. It is categorised as a Read tool in the Nornir MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_probes_config? +

Register the Nornir MCP Server MCP server in PolicyLayer and add a rule for get_probes_config: 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 Nornir MCP Server. Nothing to install.

What risk level is get_probes_config? +

get_probes_config is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_probes_config? +

Yes. Add a rate_limit block to the get_probes_config 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.

How do I block get_probes_config completely? +

Set action: deny in the PolicyLayer policy for get_probes_config. 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.

What MCP server provides get_probes_config? +

get_probes_config is provided by the Nornir MCP Server MCP server (yhvh-chen/nornir_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Nornir MCP Server tool call.

Start from Nornir MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →