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/threat-vector-security/guardian-agent/system-operationsnpx skills add Threat-Vector-Security/guardian-agent --skill system-operationsgit clone --depth 1 https://github.com/Threat-Vector-Security/guardian-agentWrote 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/threat-vector-security/guardian-agent/system-operations)<a href="https://agentmods.dev/skills/threat-vector-security/guardian-agent/system-operations"><img src="https://agentmods.dev/badge/skills/threat-vector-security/guardian-agent/system-operations.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 | $0.00409 |
| Opus 5 | $0.00000 | $0.00204 |
| Sonnet 5 | $0.00000 | $0.00082 |
| Haiku 4.5 | $0.00000 | $0.00041 |
Grade A, and why
system-operations 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 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.
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.
What it actually says
System Operations
Use this when the user is troubleshooting the local machine, checking service health, or reviewing host and gateway monitoring state.
Workflow
- Start with the lightest summary that answers the question.
sys_infofor OS and platform factssys_resourcesfor CPU, memory, and disk pressurehost_monitor_statusfor current host monitoring posturegateway_firewall_statusfor gateway firewall posture
- Drill down only where needed.
sys_processesfor resource-heavy or suspicious processessys_servicesfor service state and obvious failureshost_monitor_checkorgateway_firewall_checkfor a fresh posture check
- Report symptoms first, then likely cause.
- what is healthy
- what is degraded
- what needs deeper investigation
Task Patterns
- "My computer is slow" ->
sys_resources, thensys_processes - "Is service X healthy?" ->
sys_services - "What changed in host posture?" ->
host_monitor_statusorhost_monitor_check - "Is the gateway firewall okay?" ->
gateway_firewall_statusorgateway_firewall_check
Boundaries
- Use
network-reconfor host, subnet, DNS, or port diagnostics. - Use
security-triagewhen the findings look security-relevant rather than purely operational. - Use
host-firewall-defensewhen host-monitor, firewall drift, or gateway-alert interpretation is the main task. - Use
native-av-managementfor Windows Defender or third-party antivirus coexistence questions. - Use
automation-builderfor recurring health checks.
Gotchas
- Do not jump to root cause before establishing the current symptoms with host data.
- Do not switch to network or security tooling when host-level tools already answer the question.
- Do not treat a stale monitoring snapshot as current state if a fresh check is cheap and relevant.
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.
- 5d ago First seen · 41 lines · 0 tokens per session scan A 54a04856f118
system-operations is a skill published in the GitHub repository Threat-Vector-Security/guardian-agent (11 stars, last pushed 2mo ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 409 tokens. 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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