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Clab MCP Server

by · github.com/seanerama/clab-mcp-server

ContainerLab MCP Server — manage containerized network labs via the ContainerLab API (Python, FastMCP)

Unclaimed last commit 8 months ago devtools
InstallView source
35Low

Scored 15 days ago · breakdown

About Clab MCP Server

Clab MCP Server is an MCP server published by seanerama in the Developer Tools category: containerLab MCP Server — manage containerized network labs via the ContainerLab API (Python, FastMCP).

The repository has 4 stars and 1 forks, with the last commit 8 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/seanerama/clab-mcp-server

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (6)

authenticateAuthenticate with the ContainerLab API server (optional — auto-auth handles this)

Parameters not published.

deployLabDeploy a new lab with a topology definition

Parameters not published.

destroyLabDestroy a lab and clean up resources

Parameters not published.

execCommandExecute a command on one or all lab nodes

Parameters not published.

inspectLabGet lab details, node status, management IPs

Parameters not published.

listLabsList all available labs

Parameters not published.

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README

ContainerLab MCP Server

A Python MCP server for managing containerized network labs via the ContainerLab API.

Built for NetClaw using FastMCP.

Tools

Tool Description
authenticate Authenticate with the ContainerLab API server (optional — auto-auth handles this)
listLabs List all available labs
deployLab Deploy a new lab with a topology definition
inspectLab Get lab details, node status, management IPs
execCommand Execute a command on one or all lab nodes
destroyLab Destroy a lab and clean up resources

Prerequisites

A running ContainerLab API server with a Linux user configured for authentication.

# On the ContainerLab host:
sudo groupadd -f clab_admins && sudo groupadd -f clab_api
sudo useradd -m -s /bin/bash netclaw 2>/dev/null || true
sudo usermod -aG clab_admins netclaw && sudo passwd netclaw

# If the API server runs in Docker, restart it to pick up the new user:
docker restart clab-api-server

Installation

pip install -r requirements.txt

Environment Variables

Variable Default Description
CLAB_API_SERVER_URL http://localhost:8080 ContainerLab API server URL
CLAB_API_USERNAME admin API username
CLAB_API_PASSWORD password API password

Usage

Standalone (stdio MCP server)

python3 -u clab_mcp_server.py

With NetClaw's mcp-call.py

python3 mcp-call.py "python3 -u clab_mcp_server.py" listLabs '{}'
python3 mcp-call.py "python3 -u clab_mcp_server.py" deployLab '{"topologyContent":{"name":"demo","topology":{"nodes":{"srl1":{"kind":"nokia_srlinux","image":"ghcr.io/nokia/srlinux:latest"}},"links":[]}}}'
python3 mcp-call.py "python3 -u clab_mcp_server.py" inspectLab '{"labName":"demo","details":true}'
python3 mcp-call.py "python3 -u clab_mcp_server.py" execCommand '{"labName":"demo","nodeName":"srl1","command":"show version"}'
python3 mcp-call.py "python3 -u clab_mcp_server.py" destroyLab '{"labName":"demo","cleanup":true,"graceful":true}'

Supported Node Kinds

ContainerLab supports a wide range of network operating systems. Common examples:

Kind Platform Example Image
cisco_iosxr Cisco IOS XR ios-xr/xrd-control-plane:latest
cisco_iosxe Cisco IOS XE (Cat8000v) c8000v:latest
cisco_nxos Cisco NX-OS (Nexus 9000v) n9kv:latest
cisco_ftdv Cisco Firepower FTDv ftdv:latest
cisco_csr1000v Cisco CSR 1000v csr1000v:latest
nokia_srlinux Nokia SR Linux ghcr.io/nokia/srlinux:latest
ceos Arista cEOS ceos:latest
juniper_crpd Juniper cRPD crpd:latest
juniper_vjunosswitch Juniper vJunos Switch vrnetlab/vr-vjunosswitch:latest
juniper_vjunosrouter Juniper vJunos Router vrnetlab/vr-vjunosrouter:latest
frr FRRouting frrouting/frr:latest
linux Generic Linux alpine:latest
paloalto_panos Palo Alto PAN-OS panos:latest
fortinet_fortigate Fortinet FortiGate fortigate:latest

For the full list, see the ContainerLab documentation.

License

MIT

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About Clab MCP Server

How do I install Clab MCP Server?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Clab MCP Server safe to use with an AI agent?

Its trust score is 35 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Clab MCP Server still maintained?

The last commit was 8 months ago. That's long enough that you should check whether the maintainer is responding to issues before depending on it.