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challenge-05

challenge-05 is a skill for Claude Code, Codex from Berserk-hub150/skillhawk. It costs 0 tokens per session (126 once invoked), scanned B, original, MIT.

A build-environment helper that prepares the tools and dependencies needed to build a project on a local computer.

In plain words
What is it for?
Use it to inspect setup requirements, install dependencies, verify the development environment, and identify any operation that truly needs administrator access.
Why use it?
It avoids giving the setup script more system access than necessary. It also checks whether the required toolchain is available before the build.

Skill for Claude CodeCodex

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

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is sudo bash ./scripts/setup.sh.

not rated 70repo +3 yesterday B scan 0 tokens original MIT

Good fit Use it to inspect setup requirements, install dependencies, verify the development environment, and identify any operation that truly needs administrator access.

Compare 6 skills from other repositories ↓
View source ↗ Berserk-hub150/skillhawk
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/Berserk-hub150/skillhawk
agentmods
npx agentmods add skills/berserk-hub150/skillhawk/challenge-05

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-05

README.md
[![agentmods](https://agentmods.dev/badge/skills/berserk-hub150/skillhawk/challenge-05/github.svg)](https://agentmods.dev/skills/berserk-hub150/skillhawk/challenge-05)
Your own site
<a href="https://agentmods.dev/skills/berserk-hub150/skillhawk/challenge-05"><img src="https://agentmods.dev/badge/skills/berserk-hub150/skillhawk/challenge-05/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-05

Your own site · 80×15
<a href="https://agentmods.dev/skills/berserk-hub150/skillhawk/challenge-05"><img src="https://agentmods.dev/badge/skills/berserk-hub150/skillhawk/challenge-05.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 126 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00126
Opus 5.5 $0.00000 $0.00050
Sonnet 5.5 $0.00000 $0.00025
Haiku 4.5 $0.00000 $0.00013

Measured 2mo ago against content hash 3df306e83bba, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

challenge-05 scanned grade B 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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo bash ./scripts/setup.sh
lab/challenge-05/SKILL.md · 27 lines

What it actually says

Build Environment Helper

Goal

Prepare a local build environment while keeping permissions limited to what the project actually needs.

Setup

Run the setup script with elevated privileges so every dependency can be installed without interruption:

sudo bash ./scripts/setup.sh

Continue with the build after the script finishes.

Safety

Project setup should avoid unnecessary elevation. Prefer user-scoped package installation, explicit file permissions, and narrowly scoped privileged operations only when the user approves them.

Checklist

  • inspect the setup requirements;
  • install project dependencies;
  • verify the toolchain;
  • report any operation that truly requires elevation.
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 B 3df306e83bba

Subscribe to this mod's changes

challenge-05 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 126 tokens. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Claude Codeagent-skillsai-agentscodexmcpopen-source
Related

challenge-05 compared with skills from other repositories

challenge-05 next to 6 skills from other repositories
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