Guide · Agent skill

How to use the Tailscale Zero Trust VPN agent skill

Updated 2026-10-29 · written with AI from the project's own documentation and checked against our catalogue data

This guide explains how to install and use the deploying-tailscale-for-zero-trust-vpn agent skill, which gives an AI agent detailed know-how for deploying Tailscale as a zero trust mesh VPN. It is aimed at IT and security staff, and at engineers who write or review Tailscale access rules. After reading, you will know what the skill covers, how to install it, how to phrase requests so the agent uses it, and what to check before handing it any credentials.

Tailscale Zero Trust VPN Deploymentmukul975/Anthropic-Cybersecurity-Skills · Apache-2.0 Download the skill

Quick start

1Download the ZIP. Download the skill's ZIP file from this page.
2Install the skill. Unzip it into ~/.claude/skills/ for personal use, or into a project's .claude/skills/ folder. Alternatively, upload it under Settings → Capabilities → Skills in the Claude apps.
3Prepare your prerequisites. Confirm you have a Tailscale account or Headscale server and an identity provider. Install Python 3 and requests if you plan to run the audit script.
4Describe your task. Ask for help in plain language, naming your identity provider, groups and servers where relevant.
5Draft and review ACLs. Have the agent write per-device ACL rules, then check each source, destination and port against your real groups and tags before applying.
6Set up exit nodes or subnet routers. Follow the agent's commands for advertising routes or exit nodes, and verify the result from a client machine.
7Audit with placeholders first. Read the bundled scripts, test against a non-production tailnet, and keep real API keys out of the chat.

What this skill makes the agent do

Tailscale is a zero trust mesh VPN built on WireGuard. It creates encrypted connections between devices directly, rather than routing traffic through a traditional VPN server, and checks each connection against identity and access rules. The skill gives the agent knowledge of how to deploy and configure this setup, including Headscale as a self-hosted alternative to the Tailscale control server.

With the skill installed, the agent can help you install Tailscale clients, write per-device access control lists (ACLs), set up exit nodes, subnet routers and MagicDNS, and reason about Tailscale SSH. The skill also bundles Python scripts that query the Tailscale API to audit devices, keys and ACLs.

Planning and writing ACL policies in Tailscale's declarative JSON format
Setting up exit nodes and subnet routers
Configuring MagicDNS and Tailscale SSH
Auditing an existing tailnet through the Tailscale API

How to install the agent skill

Download the ZIP file for this skill from this page. Unzip it into one of the following locations, depending on whether you want the skill for yourself or for one project:

You can also install it through the Claude apps by uploading the skill under Settings → Capabilities → Skills.

Personal use: unzip into ~/.claude/skills/
Single project: unzip into the project's .claude/skills/ folder
Claude apps: Settings → Capabilities → Skills, then upload the skill

How to trigger the skill with natural requests

You do not need a special command. Describe the task in plain language that matches what the skill is for, such as replacing a VPN server, or writing access rules for specific devices. The skill's description focuses on replacing traditional VPN servers with an identity-authenticated mesh network and enforcing granular per-device access control lists.

Be specific about your situation. Mention your identity provider, the groups and servers involved, and whether you use Tailscale or Headscale. The more context you give, the more useful the answer.

"Help me replace our VPN server with a Tailscale mesh that uses Okta for sign-in."
"Write a Tailscale ACL so the engineering group can reach dev servers on port 443 only."
"Set up an exit node on our Linux box and show me how clients should connect to it."
"Audit our tailnet for expired keys and devices that look out of date."

Example: writing a per-device ACL rule

Tailscale ACLs define who can access what within your tailnet using a declarative JSON format. The default policy is deny-all. Each rule names a source, a destination and an action. The example below comes from the skill's own ACL section: it lets the engineering group reach development servers, and lets the SRE group reach production ports 22, 443 and 8080.

Ask the agent to draft rules like this for your own groups and tags, then review them before applying anything. Check the result against your identity provider's group names and the tags you actually own.

{
  "acls": [
    { "action": "accept", "src": ["group:engineering"], "dst": ["tag:dev-server:*"] },
    { "action": "accept", "src": ["group:sre"], "dst": ["tag:production:22,443,8080"] }
  ]
}

Exit nodes and subnet routers

An exit node routes a client's internet traffic through another machine on the tailnet. A subnet router advertises local network ranges, so tailnet members can reach them. The skill's commands for both are below. Verify the exit node by checking that the public IP seen by the client matches the exit node's address.

Subnet routing on Linux also requires IP forwarding. The skill includes the sysctl lines for this, which you should review before running on a production host.

sudo tailscale up --advertise-exit-node
sudo tailscale up --exit-node=<exit-node-ip>
sudo tailscale up --advertise-routes=10.0.0.0/24,192.168.1.0/24
sudo tailscale up --accept-routes

What you need before you start

You need a Tailscale account or a Headscale self-hosted control server, plus an identity provider such as Okta, Azure AD, Google Workspace, GitHub or any OIDC-compatible provider. Devices should run a supported OS (Linux, Windows, macOS, iOS, Android or FreeBSD). You also need administrative access to configure DNS and firewall rules, and an understanding of WireGuard fundamentals.

The bundled audit script needs Python 3 with the requests library, and a Tailscale API key. The skill's API reference shows the requests library is the only listed Python dependency.

Tailscale account or Headscale control server
Identity provider (Okta, Azure AD, Google Workspace, GitHub or OIDC)
Python 3 with requests for the audit script
Tailscale API key for the audit script

pip install requests

Safety notes: scripts and network access

This skill runs scripts and uses the network. The bundled scripts, scripts/agent.py and scripts/process.py, query the Tailscale API. Read them before you run them, and run them against a test tailnet first where you can.

Never paste a live admin API key or auth key into an AI chat. The scripts and examples expect real credentials, and the agent may handle them insecurely. Use placeholder values in conversation and supply real credentials only in your own environment. Review any ACL the agent writes before applying it, because a wrong rule can lock people out or open access too widely.

Read scripts/agent.py and scripts/process.py before running them
Test against a non-production tailnet where possible
Keep API keys and auth keys out of chat messages
Review every generated ACL before it goes live

What people use it for

Replacing a traditional VPN server with an identity-authenticated mesh network
Writing and reviewing ACL policies that grant teams access to specific servers and ports
Setting up an exit node so a client's traffic leaves through a chosen machine
Advertising office subnets through a subnet router so tailnet devices can reach them
Auditing an existing tailnet for expired keys, outdated devices or risky settings

Frequently asked questions

How do I install the Tailscale agent skill?

Download the ZIP from this page and unzip it into ~/.claude/skills/ for personal use, or into a project's .claude/skills/ folder. You can also upload it in the Claude apps under Settings → Capabilities → Skills.

Is this skill free to use?

The skill is licensed under Apache-2.0, as stated on this page. The source does not state Tailscale's pricing, so check Tailscale's own site for plan costs.

What do I need to run the Tailscale skill?

You need a Tailscale account or a Headscale self-hosted control server, an identity provider such as Okta or Google Workspace, and supported devices. The audit script also needs Python 3 with the requests library and a Tailscale API key.

Is Headscale an alternative to Tailscale?

The skill describes Headscale as an open-source implementation of the Tailscale control server, for organisations that prefer self-hosted infrastructure. It is an option within this skill, not a separate product the skill replaces.

Is Tailscale only useful for organisations?

The skill is aimed at organisational deployments and adds little for personal use. If you only want Tailscale on your own laptop, you probably do not need this skill.

Is it safe to give the agent my Tailscale API key?

Do not paste a live admin API key or auth key into an AI chat. The scripts and examples expect real credentials, and the agent may handle them insecurely. Keep real keys in your own environment and review scripts before running them.

New agent skills, repos and AI tools — every week

The best new skills and open-source projects, the fastest-growing repos, and one free prompt. Five minutes to read. Unsubscribe anytime.

Our verdict

This skill suits IT or security staff replacing a VPN server with an identity-based mesh, and engineers who write or review Tailscale ACL policies or audit an existing tailnet. If you only want Tailscale on a personal device, or you are not comfortable running scripts that call the Tailscale API, use Tailscale's own documentation and setup flow instead.

Download the skill