get_bgp_config

THE RISK

Low Risk

Why get_bgp_config needs a policy

This tool retrieves BGP configuration data from network devices without creating, modifying, deleting, or executing any changes. It is a passive informational query with no side effects, placing it squarely in the Read category with low severity due to limited blast radius if misused by an AI agent.

From the tool's definition Tool name 'get_bgp_config' and description 'Retrieve BGP configuration from the device' indicate a read-only query operation.

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

POLICY

How to control get_bgp_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_bgp_config:

policy.json

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

get_bgp_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.

CAP THIS TOOL →

Free to start. No card required.

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_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 Read get_interfaces Get a list of all network interfaces on the device.

All 26 Nornir MCP Server tools →

Read tools on other servers

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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_bgp_config

What does the get_bgp_config tool do? +

Retrieve BGP configuration from 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_bgp_config? +

Register the Nornir MCP Server MCP server in PolicyLayer and add a rule for get_bgp_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_bgp_config? +

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

Can I rate-limit get_bgp_config? +

Yes. Add a rate_limit block to the get_bgp_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_bgp_config completely? +

Set action: deny in the PolicyLayer policy for get_bgp_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_bgp_config? +

get_bgp_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 →