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.
npx skills add jmagar/claude-homelab --skill tailscalegit clone --depth 1 https://github.com/jmagar/claude-homelabWrote 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.
[](https://agentmods.dev/skills/jmagar/claude-homelab/tailscale)<a href="https://agentmods.dev/skills/jmagar/claude-homelab/tailscale"><img src="https://agentmods.dev/badge/skills/jmagar/claude-homelab/tailscale/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.
<a href="https://agentmods.dev/skills/jmagar/claude-homelab/tailscale"><img src="https://agentmods.dev/badge/skills/jmagar/claude-homelab/tailscale.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00093 | $0.01405 |
| Opus 5.5 | $0.00037 | $0.00562 |
| Sonnet 5.5 | $0.00019 | $0.00281 |
| Haiku 4.5 | $0.00009 | $0.00140 |
Grade A, and why
tailscale scanned grade A with 0 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 232 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Tailscale Skill
⚠️ MANDATORY SKILL INVOCATION ⚠️
YOU MUST invoke this skill (NOT optional) when the user mentions ANY of these triggers:
- "Tailscale status", "tailnet devices", "VPN status"
- "Tailscale peers", "who's connected", "exit nodes"
- "check Tailscale", "tailnet monitoring", "Tailscale"
- Any mention of Tailscale or VPN network management
Failure to invoke this skill when triggers occur violates your operational requirements.
Purpose
Hybrid skill using both the Tailscale CLI (local machine operations) and the Tailscale API (tailnet-wide management). Read-Write (Safe) — no destructive operations; writes include creating auth keys and toggling network features.
| Operation type | Method | Requires API key |
|---|---|---|
| Status, ping, netcheck, whois | CLI | No |
| Serve, funnel, file transfer, SSH | CLI | No |
| List all devices, user mgmt, DNS | API | Yes |
| Create/revoke auth keys | API | Yes |
Setup
API config (optional, for tailnet-wide operations) is stored in ~/.claude-homelab/.env:
TAILSCALE_API_KEY="tskey-api-k..."
TAILSCALE_TAILNET="-"
Get your API key from: Tailscale Admin Console → Settings → Keys → Generate API Key
The TAILSCALE_TAILNET can be - (auto-detect), your org name, or email domain.
Local Operations (CLI)
These work on the current machine only.
Status & Diagnostics
# Current status (peers, connection state)
tailscale status
tailscale status --json | jq '.Peer | to_entries[] | {name: .value.HostName, ip: .value.TailscaleIPs[0], online: .value.Online}'
# Network diagnostics (NAT type, DERP, UDP)
tailscale netcheck
tailscale netcheck --format=json
# Get this machine's Tailscale IP
tailscale ip -4
# Identify a Tailscale IP
tailscale whois 100.x.x.x
Connectivity
# Ping a peer (shows direct vs relay)
tailscale ping <hostname-or-ip>
# Connect/disconnect
tailscale up
tailscale down
# Use an exit node
tailscale up --exit-node=<node-name>
tailscale exit-node list
tailscale exit-node suggest
What ships with it
6 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.
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.
- 1mo ago First seen · 232 lines · 93 tokens per session scan A f7ee3d336909
tailscale is a skill published in the GitHub repository jmagar/claude-homelab (87 stars, last pushed 25d ago), licensed MIT. It adds 93 tokens to every session and 1,405 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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