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BC fnnas-download

Manage qBittorrent download tasks on 飞牛NAS - list torrents and add magnet links

ClawHub Agent Skills author: qiang.zhou v1.0.0 MIT-0 3 files · 1 script body ≈ 268 tokens Open the sourceclawhub.ai↗ analyzed 4 d ago

As a process C 53/100 · Has gaps — weak spots: result and completion, when it triggers, inputs and preconditions

ReferenceInfrastructuretype 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
83/100
safety, quality, tests
Safety 60%
96
Quality 40%
64
Run on models
none yet
Process rating
C
53/100
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

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 · 4

✓ No critical or high findings

Medium and low: 4
  • low Exfiltration net-credential-use nas-download.sh:16
    Credential used in a network call (verify the destination is the intended service) (quoted — discussed, not commanded)
    ssh $NAS_HOST "curl -s --unix-socket $QBT_SOCK -X POST http://localhost/api/v2/auth/login -d 'username=admin&password=$QBT_PASSWORD' -c /tmp/qbt_cookie >/dev/null && curl -s --unix-socket $QBT_SOCK -b
    quoted
  • low Exfiltration net-credential-use nas-download.sh:18
    Credential used in a network call (verify the destination is the intended service) (quoted — discussed, not commanded)
    ssh $NAS_HOST "curl -s --unix-socket $QBT_SOCK -X POST http://localhost/api/v2/auth/login -d 'username=admin&password=$QBT_PASSWORD' -c /tmp/qbt_cookie >/dev/null && curl -s --unix-socket $QBT_SOCK -b
    quoted
  • low Exfiltration net-credential-use nas-download.sh:23
    Credential used in a network call (verify the destination is the intended service) (quoted — discussed, not commanded)
    ssh $NAS_HOST "curl -s --unix-socket $QBT_SOCK -X POST http://localhost/api/v2/auth/login -d 'username=admin&password=$QBT_PASSWORD' -c /tmp/qbt_cookie && curl -s --unix-socket $QBT_SOCK -b /tmp/qbt_c
    quoted
  • low Exfiltration net-credential-use nas-download.sh:27
    Credential used in a network call (verify the destination is the intended service) (quoted — discussed, not commanded)
    ssh $NAS_HOST "curl -s --unix-socket $QBT_SOCK -X POST http://localhost/api/v2/auth/login -d 'username=admin&password=$QBT_PASSWORD' -c /tmp/qbt_cookie && curl -s --unix-socket $QBT_SOCK -b /tmp/qbt_c
    quoted

Files scanned: 3. 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")
  • note frontmatter-key unknown frontmatter key "tools"

Process rating: all ten parameters 53/100

  • 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
  • 100Tools and files. Tools declared in frontmatter
  • 100Steps. 6 steps
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 268 tokens
  • 100Running it twice. No mutating operations

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 79: 120–800 characters recommended
  • +3Output format is not stated: the model decides each time
  • -4Absolute local paths (C:\Users, /home/…): not portable
  • +1No license
  • +2Single-language instructions
  • +4Structure: 7 headings
  • +3Step-by-step instructions: 6 items
  • +4Has examples (4 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 64.

External checks

ClawHub: suspicious
This skill largely does what it says, but its add-download command can expose NAS control to unsafe remote shell execution if given a crafted magnet link or unsafe credential value.
LLM: suspicious (high) · VirusTotal: · 29 May 2026