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BC vps-maintenance

VPS 服务器维护与优化配置。用于：(1) 新 VPS 入手后的初始化配置，(2) 服务器安全加固， (3) 系统性能优化，(4) 日常维护任务。包含 SSH 加固、防火墙配置、性能调优、时间同步等完整流程。

ClawHub Agent Skills author: xiaowenzhou v1.0.0 2 files body ≈ 1 115 tokens Open the sourceclawhub.ai↗ analyzed 2 d ago

VPS 服务器维护与优化配置。用于：(1) 新 VPS 入手后的初始化配置，(2) 服务器安全加固， (3) 系统性能优化，(4) 日常维护任务。包含 SSH 加固、防火墙配置、性能调优、时间同步等完整流程。

As a process C 51/100 · Has gaps — weak spots: result and completion, when it triggers, inputs and preconditions

ProcedureSoftware developmenttype and topics are labelled automatically from the skill text
Runs in: OpenClaw Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) Goose OpenCode
JSON
Technical rating
B
86/100
safety, quality, tests
Safety 60%
97
Quality 40%
69
Run on models
none yet
Process rating
C
51/100
Has gaps
Result and completion w 14
0
Inputs and preconditions w 11
0
Failures and branches w 10
0
the three weakest of ten parameters · all ten

The same skill appears in 1 more place: ClawHub

How to improve

  1. Say in the description WHEN to use the skill ("use when…", example requests): that is the agent's main cue.
For the model run — optional
  • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 3

✓ No critical or high findings

Medium and low: 3
  • low Dangerous commands cmd-background-process SKILL.md:93
    Starts a background / autostarted process
    systemctl enable --now nftables
  • low Dangerous commands cmd-background-process SKILL.md:135
    Starts a background / autostarted process
    systemctl enable --now systemd-timesyncd
  • low Dangerous commands cmd-background-process SKILL.md:155
    Starts a background / autostarted process
    systemctl enable --now fail2ban

Files scanned: 2. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning description-no-when description does not say WHEN to use the skill (no "use when")

Process rating: all ten parameters 51/100

  • 0Result and completion. Does not say what the result is
  • 0Inputs and preconditions. Does not say what the process needs to start
  • 0Failures and branches. Linear process with no failure handling
  • 0Progress reporting. Says nothing while it works
  • 20When it triggers. No condition that starts the skill
  • 30Running it twice. 1 mutating operations with no state check
  • 100Tools and files. No external tools needed
  • 100Steps. 9 steps
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 1115 tokens

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • +4Description does not say when NOT to use the skill (false activations)
  • +3Description length 104: 120–800 characters recommended
  • +3Output format is not stated: the model decides each time
  • +1No license
  • +2Single-language instructions
  • +4Structure: 13 headings
  • +3Step-by-step instructions: 9 items
  • +4Has examples (9 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 69.

External checks

ClawHub: suspicious
This VPS maintenance skill is broadly aligned with server administration, but its copy-paste commands can lock users out, create a known sudo password, replace package sources, and delete important system state without enough safeguards.
LLM: suspicious (high) · VirusTotal: · 11 Sept 2026