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sheridan-lab-jack

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sheridan-lab-jack — 网络 MCP 服务器

一个模型上下文协议 (MCP) 服务器，为运行在 ContainerLab 中的 Nokia SR Linux 设备提供 6 个网络管理工具。专为与 Claude Code AI 智能体配合使用而设计。

架构

┌──────────────┐      MCP (stdio)      ┌──────────────────┐      SSH       ┌──────────────┐
│  Claude Code │ ◄──────────────────► │  sheridan-lab-jack │ ◄──────────► │  Nokia SR    │
│  (AI Agent)  │                      │  (MCP Server)      │              │  Linux       │
└──────────────┘                      └──────────────────┘              │  (ContainerLab)│
                                                                        └──────────────┘

Related MCP server: Junos MCP Server

工具（共 6 个）

读取工具 (5)

工具

描述

get_device_info

返回主机名、软件版本、机箱类型、运行时间

get_interfaces

列出所有接口及其管理/操作状态和 IP 地址

get_routes

显示完整的路由表

get_running_config

获取运行配置（完整或按部分）

get_network_instances

列出所有 VRF/网络实例及其接口

写入工具 (1)

工具

描述

configure_interface

设置接口的 IP 地址、管理状态和描述

先决条件

  • Linux (推荐 Ubuntu 20.04+)

  • Docker (20.10+)

  • ContainerLab (0.44+)

  • Python 3.10+

  • Claude Code CLI (需要 Anthropic Pro 订阅)

  • sshpass (sudo apt install sshpass)

快速入门

1. 安装 ContainerLab

sudo bash -c "$(curl -sL https://get.containerlab.dev)"

2. 启动实验环境

cd sheridan-lab-jack
sudo containerlab deploy --topo topology.yml

等待约 60 秒让 SR Linux 完全启动。通过以下命令验证：

sudo docker ps  # should show clab-sheridan-lab-jack-srl running

3. 安装 Python 依赖

pip install -r requirements.txt
sudo apt install sshpass -y

4. 测试 SSH 连接

sshpass -p 'NokiaSrl1!' ssh -o StrictHostKeyChecking=no admin@clab-sheridan-lab-jack-srl -- "info from state /system information"

5. 连接 Claude Code

cd sheridan-lab-jack
claude

Claude Code 会自动从项目目录读取 .mcp.json。进入 Claude Code 后，通过以下命令验证：

> use get_device_info to check the device

环境变量

变量

默认值

描述

DEVICE_HOST

clab-sheridan-lab-jack-srl

SR Linux 容器的主机名或 IP

DEVICE_USERNAME

admin

SSH 用户名

DEVICE_PASSWORD

NokiaSrl1!

SSH 密码

凭据绝不会硬编码在服务器代码中。 它们在运行时从环境变量读取，并通过 .mcp.json 传递。

输入验证

所有写入工具在执行前都会验证输入：

  • IP 地址：点分十进制正则表达式验证

  • 前缀长度：范围检查 (0-32)

  • 接口名称：SR Linux 格式模式匹配 (ethernet-X/Y, lo0, mgmt0, system0)

  • 主机名：符合 RFC 标准的字母数字 + 连字符，1-63 个字符

  • 描述：字母数字及基本标点符号，最多 80 个字符

  • 配置部分名称：仅限字母数字和连字符

清理

sudo containerlab destroy --topo topology.yml

Claude Code 会话示例

You: get device info
Claude: [calls get_device_info] The device is a Nokia SR Linux running version...

You: show me all interfaces
Claude: [calls get_interfaces] Here are the interfaces...

You: configure ethernet-1/1 with IP 192.168.50.1/24 and description "uplink"
Claude: [calls configure_interface] Successfully configured ethernet-1/1...

You: verify the change by showing interfaces again
Claude: [calls get_interfaces] Confirmed — ethernet-1/1 now has IP 192.168.50.1/24...

许可证

MIT

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