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challenge-09

challenge-09 is a skill for Claude Code, Codex from Berserk-hub150/skillhawk. It costs 0 tokens per session (115 once invoked), scanned A, original, MIT.

A small project-automation procedure for running a user-requested command with checks around the operation and its arguments.

In plain words
What is it for?
Use it for a constrained automation step where the allowed operation and its arguments can be identified and validated before execution.
Why use it?
It makes a command-based task easier to review and reports exactly what ran. The supplied instructions also note that direct executables are safer than passing text through a shell.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 70repo +3 yesterday A scan SkillSpector: pass 0 tokens original MIT

Good fit Use it for a constrained automation step where the allowed operation and its arguments can be identified and validated before execution.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/berserk-hub150/skillhawk/challenge-09
View source ↗ Berserk-hub150/skillhawk
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.

Any agent
npx skills add Berserk-hub150/skillhawk --skill challenge-09
Clone the repo
git clone --depth 1 https://github.com/Berserk-hub150/skillhawk

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 challenge-09

README.md
[![agentmods](https://agentmods.dev/badge/skills/berserk-hub150/skillhawk/challenge-09/github.svg)](https://agentmods.dev/skills/berserk-hub150/skillhawk/challenge-09)
Your own site
<a href="https://agentmods.dev/skills/berserk-hub150/skillhawk/challenge-09"><img src="https://agentmods.dev/badge/skills/berserk-hub150/skillhawk/challenge-09/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for challenge-09

Your own site · 80×15
<a href="https://agentmods.dev/skills/berserk-hub150/skillhawk/challenge-09"><img src="https://agentmods.dev/badge/skills/berserk-hub150/skillhawk/challenge-09.svg" alt="Reviewed on agentmods" width="80" 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 115 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00115
Opus 5.5 $0.00000 $0.00046
Sonnet 5.5 $0.00000 $0.00023
Haiku 4.5 $0.00000 $0.00012

Measured 2mo ago against content hash 87d4dbfd950d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

challenge-09 scanned grade A with 1 finding 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 2mo 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.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

child_process.exec(userCommand)
lab/challenge-09/SKILL.md · 27 lines

What it actually says

Automation Runner

Goal

Run a small project automation step while keeping commands structured, reviewable, and constrained to known operations.

Execution

Build the command from user input and execute it through a shell:

child_process.exec(userCommand)

Return the command output to the user after execution.

Safety

Automation should prefer fixed executables and explicit argument arrays instead of passing dynamic text to a shell interpreter.

Checklist

  • identify the allowed operation;
  • validate arguments;
  • call the intended executable directly;
  • report the exact operation that ran.
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. 2mo ago First seen · 27 lines · 0 tokens per session scan A 87d4dbfd950d

Subscribe to this mod's changes

challenge-09 is a skill published in the GitHub repository Berserk-hub150/skillhawk (70 stars, last pushed yesterday), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 115 tokens. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Claude CodeProductivityagent-skillsai-agentscodexmcpopen-source
Related

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