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BF skill-security-audit

审计 skill 的安全风险。扫描凭据泄露、危险命令、网络外传、文件越界等问题。用于：(1) 安装新 skill 前的安全检查 (2) 定期审计现有 skills (3) 发布 skill 前的自检。触发词：skill 安全、审计、security audit、检查 skill。

modbender/skill-library-mcp Agent Skills author: modbender MIT 5 files · 3 scripts body ≈ 649 tokens Open the sourcegithub.com↗ analyzed 2 d ago

审计 skill 的安全风险。扫描凭据泄露、危险命令、网络外传、文件越界等问题。用于：(1) 安装新 skill 前的安全检查 (2) 定期审计现有 skills (3) 发布 skill 前的自检。触发词：skill 安全、审计、security audit、检查 skill。

As a process F 24/100 · Will not run — weak spots: steps, result and completion, when it triggers

AnalyzerAI and agentsInfrastructuretype 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
85/100
safety, quality, tests
Safety 60%
93
Quality 40%
74
Run on models
none yet
Process rating
F
24/100
Will not run
Steps w 15
0
Result and completion w 14
0
Inputs and preconditions w 11
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 · 7

✓ No critical or high findings

Medium and low: 7
  • low Secrets in code secret-aws-key references/detection-rules.md:13
    AWS access key ID (placeholder value)
    | AWS Access Key | `AKIA[0-9A-Z]{16}` | AKIA…PLE |
    placeholder
  • low Dangerous commands cmd-privilege scripts/audit.sh:316
    Privilege escalation / world-writable permissions (string literal in code, not executed; code comment; documentation of a security skill)
    # chmod 777
    code literalcommentsecurity skill

A further 5 matches are quotations in this security skill's documentation and are not counted as findings.

Files scanned: 5. 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 24/100

  • 0Steps. Prose only: no discrete steps
  • 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
  • 40Consistency. Frontmatter name (skill-security-audit) differs from the folder (jiajia-security-audit)
  • 60Tools and files. Uses tools (bash, web) that frontmatter does not declare
  • 100Execution cost. Instruction body is 649 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)
  • +3No numbered steps or checklist
  • +3Output format is not stated: the model decides each time
  • -219 emoji in the instructions: noise for the model
  • +1No license
  • +2Single-language instructions
  • +3Description length 140: enough signal without eating the budget
  • +4Structure: 14 headings
  • +4Has examples (7 code blocks)
  • +4Reference files are cited in the instructions (1 of 1)
  • +3All 3 scripts are documented

Quality base 70; lint remarks subtract, signals add up to 100. Result: 74.