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 agentmods add skills/aidas-dev/k8s-agent-skills/tailscalenpx skills add Aidas-dev/k8s-agent-skills --skill tailscalegit clone --depth 1 https://github.com/Aidas-dev/k8s-agent-skillsWrote 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/aidas-dev/k8s-agent-skills/tailscale)<a href="https://agentmods.dev/skills/aidas-dev/k8s-agent-skills/tailscale"><img src="https://agentmods.dev/badge/skills/aidas-dev/k8s-agent-skills/tailscale.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00000 | $0.01217 |
| Opus 5 | $0.00000 | $0.00609 |
| Sonnet 5 | $0.00000 | $0.00243 |
| Haiku 4.5 | $0.00000 | $0.00122 |
Grade A, and why
tailscale scanned grade A with 1 finding 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 6d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
- Managing ACLs, tags, keys via API? → use `curl` against Tailscale API directly How it starts
The opening of the file, as written. The whole thing — 111 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Tailscale
HARD RULE: Always run tailscale status --json before assuming any IP addresses. The tailnet is the source of truth — more authoritative than files, config, or code. Device IPs change, nodes join/leave, routes shift. Status tells you what's actually reachable right now.
Sub-Skills
| Task | Load skill | What it does |
|---|---|---|
| Talos-specific Tailscale integration (system extension, machine config, node IP config, subnet routes) | tailscale-talos |
ExtensionServiceConfig, certSANs, kubelet.nodeIP, IP forwarding, static pods, cluster cross-connect |
| Tailscale CLI — status, ping, up, down, ip | (inline, no sub-skill needed) | Reference for common diagnostic commands |
Decision Flow
- Need to find a device's current IP? → run
tailscale status --json(source of truth, don't guess) - Need to check if a peer is online / direct vs relay? → run
tailscale status --json - Integrating Tailscale into Talos Linux machine config? →
tailscale-talos - Configuring tailscale in Kubernetes (operator, subnet router, proxy)? →
tailscale-talos(K8s section) - Debugging connectivity between two devices? →
tailscale ping <ip-or-hostname>thentailscale status - Managing ACLs, tags, keys via API? → use
curlagainst Tailscale API directly
CLI Reference
tailscale status — Source of Truth
# Human-readable table (default)
tailscale status
# Machine-readable JSON — preferred for automation
tailscale status --json
# Filter to only active peers
tailscale status --active
JSON output structure (tailscale status --json):
| Field | Description |
|---|---|
Self.TailscaleIPs |
IPs of the current machine |
Self.DNSName |
MagicDNS FQDN of current machine |
Peer |
Object keyed by node key, each entry is a PeerStatus |
Peer[HOST].TailscaleIPs |
Array of IPs for peer |
Peer[HOST].DNSName |
FQDN like host.tailnet-id.ts.net. |
Peer[HOST].OS |
Operating system string |
Peer[HOST].Online |
Boolean — connected to control plane |
Peer[HOST].Active |
Boolean — recent traffic (last ~2 min) |
Peer[HOST].ExitNode |
Boolean — currently selected exit node |
Peer[HOST].ExitNodeOption |
Boolean — can be exit node |
Peer[HOST].Relay |
DERP relay region if not direct |
Peer[HOST].CurAddr |
Current direct endpoint address |
Peer[HOST].Tags |
ACL tags applied to node |
Peer[HOST].PrimaryRoutes |
Subnet routes this node advertises |
What ships with it
1 file 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.
- 6d ago First seen · 111 lines · 0 tokens per session scan A 9c54a19379d4
tailscale is a skill published in the GitHub repository Aidas-dev/k8s-agent-skills (2 stars, last pushed 23d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,217 tokens. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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