system-operations

system-operations is a skill for Claude Code, Codex from Threat-Vector-Security/guardian-agent. It costs 0 tokens per session (409 once invoked), scanned A, original, Apache-2.0.

A troubleshooting workflow for checking the health and resource use of a local computer and its gateway firewall.

In plain words
What is it for?
Use it to inspect system information, CPU, memory, disk pressure, processes, services, host monitoring, and firewall status.
Why use it?
It starts with lightweight status checks and drills down only when symptoms or failures need more investigation.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/threat-vector-security/guardian-agent/system-operations
Any agent
npx skills add Threat-Vector-Security/guardian-agent --skill system-operations
Clone the repo
git clone --depth 1 https://github.com/Threat-Vector-Security/guardian-agent

Made for: Claude Code, Codex.

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 system-operations

README.md
[![agentmods](https://agentmods.dev/badge/skills/threat-vector-security/guardian-agent/system-operations.svg)](https://agentmods.dev/skills/threat-vector-security/guardian-agent/system-operations)
Your own site
<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>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 409 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00000 $0.00409
Opus 5 $0.00000 $0.00204
Sonnet 5 $0.00000 $0.00082
Haiku 4.5 $0.00000 $0.00041

Measured 5d ago against content hash 54a04856f118, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

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.

skills/system-operations/SKILL.md · 41 lines

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

  1. Start with the lightest summary that answers the question.
    • sys_info for OS and platform facts
    • sys_resources for CPU, memory, and disk pressure
    • host_monitor_status for current host monitoring posture
    • gateway_firewall_status for gateway firewall posture
  2. Drill down only where needed.
    • sys_processes for resource-heavy or suspicious processes
    • sys_services for service state and obvious failures
    • host_monitor_check or gateway_firewall_check for a fresh posture check
  3. Report symptoms first, then likely cause.
    • what is healthy
    • what is degraded
    • what needs deeper investigation

Task Patterns

  • "My computer is slow" -> sys_resources, then sys_processes
  • "Is service X healthy?" -> sys_services
  • "What changed in host posture?" -> host_monitor_status or host_monitor_check
  • "Is the gateway firewall okay?" -> gateway_firewall_status or gateway_firewall_check

Boundaries

  • Use network-recon for host, subnet, DNS, or port diagnostics.
  • Use security-triage when the findings look security-relevant rather than purely operational.
  • Use host-firewall-defense when host-monitor, firewall drift, or gateway-alert interpretation is the main task.
  • Use native-av-management for Windows Defender or third-party antivirus coexistence questions.
  • Use automation-builder for 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.
Files

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.

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. 5d ago First seen · 41 lines · 0 tokens per session scan A 54a04856f118

Subscribe to this mod's changes

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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