tailscale-cli

tailscale-cli is a skill for Claude Code from technicalpickles/pickled-claude-plugins. It costs 170 tokens per session (2,055 once invoked), scanned B, original, MIT.

A guide for using the Tailscale command-line tool to inspect connections and manage network services. Tailscale creates a private network between approved devices, and its command-line tool behaves differently across macOS and Linux installations.

In plain words
What is it for?
It is for checking Tailscale status, debugging connectivity, and managing Serve, Funnel, or Services configurations.
Why use it?
It helps diagnose confusing cases such as the command not being on the shell path, failed pings, or unexpected service settings.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the tailscale plugin — 2 skills shipped together

Good fit It is for checking Tailscale status, debugging connectivity, and managing Serve, Funnel, or Services configurations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/technicalpickles/pickled-claude-plugins/tailscale-cli
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add technicalpickles/pickled-claude-plugins --skill tailscale-cli
Clone the repo
git clone --depth 1 https://github.com/technicalpickles/pickled-claude-plugins

Made for: Claude Code.

Or install tailscale, the plugin that ships this one along with the rest of its 2 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for tailscale-cli

README.md
[![agentmods](https://agentmods.dev/badge/skills/technicalpickles/pickled-claude-plugins/tailscale-cli/github.svg)](https://agentmods.dev/skills/technicalpickles/pickled-claude-plugins/tailscale-cli)
Your own site
<a href="https://agentmods.dev/skills/technicalpickles/pickled-claude-plugins/tailscale-cli"><img src="https://agentmods.dev/badge/skills/technicalpickles/pickled-claude-plugins/tailscale-cli/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for tailscale-cli

Your own site · 80×15
<a href="https://agentmods.dev/skills/technicalpickles/pickled-claude-plugins/tailscale-cli"><img src="https://agentmods.dev/badge/skills/technicalpickles/pickled-claude-plugins/tailscale-cli.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 170 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,055 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00170 $0.02055
Opus 5.5 $0.00068 $0.00822
Sonnet 5.5 $0.00034 $0.00411
Haiku 4.5 $0.00017 $0.00205

Measured 1mo ago against content hash 056a4170148e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

tailscale-cli scanned grade B with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

`tailscale status` and `tailscale ping` are normally readable by any local user — no `sudo` needed. Mutating commands (`serve`, `funnel`, `up`/`down` in some configs) may need root, *or* may work passwordless if the loca

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

## `ping` and self-curl gotchas
plugins/tailscale/skills/tailscale-cli/SKILL.md · 75 lines

How it starts

The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Tailscale CLI

Overview

The tailscale CLI behaves differently depending on install shape (macOS GUI app vs. Linux package) and config model (plain node-level serve vs. --service=svc:X Services). Most "tailscale is broken" moments are actually one of these known gotchas, not a real outage.

For binding/exposure architecture (loopback vs. tailnet-interface binding, identity headers, auth implications) rather than CLI mechanics, see the tailscale-serve-patterns skill instead.

Where the binary lives

Environment Binary Notes
macOS, Tailscale.app (GUI) /Applications/Tailscale.app/Contents/MacOS/Tailscale Not on $PATH — the App Store/direct-download GUI app does not symlink a tailscale command by default. which tailscale returning nothing does not mean Tailscale isn't running; check the menu-bar icon or /Applications/Tailscale.app/Contents/MacOS/Tailscale status directly. Alias it if you use it often: alias tailscale=/Applications/Tailscale.app/Contents/MacOS/Tailscale.
macOS, Homebrew (brew install tailscale) tailscale on $PATH Different install path than the GUI app; if both are present they can diverge in version.
Linux (systemd package, VM/container) tailscale on $PATH, daemon is tailscaled Standard install. Talks to tailscaled over a local socket.

Diagnostic tell: if a ... | jq ... pipeline throws jq: parse error: Invalid numeric literal at line 1, column N, don't debug jq — the upstream command almost certainly failed (e.g. command not found: tailscale) and its error text got merged into stdout via 2>&1, and jq is choking on that text, not real JSON. Re-run the upstream command alone first.

Root/sudo: don't reach for it by default

tailscale status and tailscale ping are normally readable by any local user — no sudo needed. Mutating commands (serve, funnel, up/down in some configs) may need root, or may work passwordless if the local user is set as the tailscale operator (tailscale set --operator=<user>) or granted a scoped NOPASSWD sudo rule for tailscale serve *.

Read the full file on GitHub · 75 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago Changed · +1 lines 056a4170148e
  2. 1mo ago Changed · +10 lines · +76 tokens per session 27db1628b054
  3. 1mo ago First seen · 64 lines · 94 tokens per session scan B 7ebfe442d989

Subscribe to this mod's changes

tailscale-cli is a skill published in the GitHub repository technicalpickles/pickled-claude-plugins (11 stars, last pushed yesterday), licensed MIT. It adds 170 tokens to every session and 2,055 once invoked, about $0.0007 per session on Opus 5.5. A static security scan graded it B with 2 findings (asks for root, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-05.

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