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 JansenAnalytics/claudex --skill system-admingit clone --depth 1 https://github.com/JansenAnalytics/claudexWrote 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/jansenanalytics/claudex/system-admin)<a href="https://agentmods.dev/skills/jansenanalytics/claudex/system-admin"><img src="https://agentmods.dev/badge/skills/jansenanalytics/claudex/system-admin/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/jansenanalytics/claudex/system-admin"><img src="https://agentmods.dev/badge/skills/jansenanalytics/claudex/system-admin.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00025 | $0.00416 |
| Opus 5 | $0.00013 | $0.00208 |
| Sonnet 5 | $0.00005 | $0.00083 |
| Haiku 4.5 | $0.00003 | $0.00042 |
Grade A, and why
system-admin 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 5d 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.
curl -s -o /dev/null -w "%{http_code}" URL What it actually says
System Administration
Systemd User Services
# List running user services
systemctl --user list-units --state=running --no-pager
# Start/stop/restart
systemctl --user start SERVICE
systemctl --user stop SERVICE
systemctl --user restart SERVICE
# Enable at boot
systemctl --user enable SERVICE
# Check logs
journalctl --user -u SERVICE --since "1 hour ago" --no-pager
# Reload after editing .service file
systemctl --user daemon-reload
Key Services
openclaw-poe-gateway— Poe autonomous agentopenclaw-argus-gateway— Argus analytical agentclaudex— This Claude Code instance (when running via systemd)
Process Management
# Find process
pgrep -fa "pattern"
# Background with setsid (survives terminal close)
setsid command &
# Kill gracefully
kill PID # SIGTERM
kill -9 PID # SIGKILL (last resort)
Cron
# Edit crontab
crontab -e
# List current cron jobs
crontab -l
# Common patterns
# Every 5 minutes: */5 * * * *
# Daily at 9am: 0 9 * * *
# Weekly Monday: 0 9 * * 1
Networking
# Check ports
ss -tlnp | grep PORT
# Test connectivity
curl -s -o /dev/null -w "%{http_code}" URL
# DNS lookup
dig HOSTNAME +short
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.
- 5d ago First seen · 74 lines · 25 tokens per session scan A adf3ad52afa7
system-admin is a skill published in the GitHub repository JansenAnalytics/claudex (5 stars, last pushed 2mo ago), licensed MIT. It adds 25 tokens to every session and 416 once invoked, about $0.0001 per session on Opus 5. 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 2026-09-03.
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