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edgesecurityaccess-wireguard-vpn — Claude Code skill: WireGuard VPN

This skill walks the agent through standing up a WireGuard VPN: build the Go server, add users, and hand out configs over an HTTP API.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add reason-machines/security-skills --skill edgesecurityaccess-wireguard-vpn -a claude-code
Open on GitHub

What edgesecurityaccess-wireguard-vpn does

EdgeSecurityAccess (ESA) is a toolkit for spinning up VPNs on top of WireGuard. It ships three pieces: a Go server, a C/C++ utility package, and a C# Windows desktop client. The server returns WireGuard configs over HTTP, with username and password authentication.

The skill covers the whole chain: installing WireGuard and Go 1.26+, building esa-server, compiling ESAusr, ESAProc and ESAInit, and writing /etc/esa/esa.conf with the server address, ports and keys. From there it adds users to users.txt, generates usrwg.conf, brings up the wg0 interface, and turns on forwarding with NAT rules in iptables.

You need a Linux server with root access. Skip the sysctl change or the iptables rules and traffic between clients simply will not flow. WireGuard keys come from wg genkey and wg pubkey beforehand, and the external endpoint plus port 50000 have to be in the config before the first start.

What it helps with

  • stand up a WireGuard VPN server from scratch
  • add users and issue each one a config
  • serve client configs through an HTTP API
  • bring up the wg0 interface and enable NAT
  • build the server and utilities from source

Example prompts for the agent

  • Deploy the EdgeSecurityAccess VPN server on this Linux host and run it as a systemd service
  • Add user alice with ESAusr and generate her WireGuard config
  • Debug why the client cannot reach the ESA VPN and check wg0 status

How to install edgesecurityaccess-wireguard-vpn

1Skills CLI (Vercel)

npx skills add reason-machines/security-skills --skill edgesecurityaccess-wireguard-vpn -a claude-code

2Manually: put the files in place

~/.claude/skills/edgesecurityaccess-wireguard-vpn/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/edgesecurityaccess-wireguard-vpn/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about edgesecurityaccess-wireguard-vpn

How do I install edgesecurityaccess-wireguard-vpn in Claude?

Run npx skills add reason-machines/security-skills --skill edgesecurityaccess-wireguard-vpn -a claude-code. The skill lands in ~/.claude/skills/edgesecurityaccess-wireguard-vpn/SKILL.md.

What does this skill do?

It guides the agent through a WireGuard VPN deployment: building the Go server, compiling the utilities, configuring the server, adding users and starting the interface.

What do I need before starting the server?

WireGuard, Go 1.26+ to build the server, and generated keys from wg genkey and wg pubkey. The external endpoint and port go into /etc/esa/esa.conf.

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