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busybox-on-windows

How to use a Win32 build of BusyBox to run many of the standard UNIX command line tools on Windows.

1.55x
Quality

70%

Does it follow best practices?

Impact

93%

1.55x

Average score across 3 eval scenarios

SecuritybySnyk

Low

Low-risk findings worth noting

Fix and improve this skill with Tessl

tessl review fix ./plugins/AI-Agents-Safe-Coding-Skills-claude/skills/busybox-on-windows/SKILL.md

The canonical home for this skill is busybox-on-windows in sickn33/agentic-awesome-skills

SKILL.md
Quality
Evals
Security

Quality

Content

75%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is a lean, highly actionable runbook: executable PowerShell commands for every architecture, a clear conditional setup flow, and concrete usage guidance. Its main weaknesses are small redundancies (duplicate --list lines), a filler 'When to Use' section, and a missing post-download verification step.

Suggestions

Remove the duplicated `busybox.exe --list` entry (merge 'Help' and 'Available UNIX commands' into one line) and delete or rewrite the circular "When to Use" section with a real trigger statement.

Add a quick post-download validation step, e.g., run `busybox.exe --list` (or `busybox.exe echo ok`) to confirm the binary executes before relying on it.

Add minimal section headers (e.g., '## Setup', '## Usage') so the conditional setup flow and day-to-day usage are visually separated.

DimensionReasoningScore

Conciseness

The body is brief and mostly commands, but `busybox.exe --list` is listed twice ("Help" and "Available UNIX commands"), and the "When to Use" section ("This skill is applicable to execute the workflow or actions described in the overview.") is vacuous filler. This is more than 'minor instances that could be trimmed' (not 4) but the body is not heavily padded (not 2).

3 / 5

Actionability

Every command is copy-paste ready: per-architecture PowerShell download commands with progress suppression, a conditional guard for an existing busybox.exe, CPU/OS detection commands, `busybox.exe --list` for discovery, and a concrete usage example (`busybox.exe ls -1`). This matches the anchor for fully executable commands covering common cases.

5 / 5

Workflow Clarity

The conditional sequence is explicit (check for existing busybox.exe → detect CPU/OS → pick the matching labeled build → download → use), which is a clear sequence with most checkpoints present. It misses a 5 because there is no post-download verification (e.g., run `busybox.exe --list` to confirm the binary works). This is not a destructive or batch operation, so no cap applies.

4 / 5

Progressive Disclosure

The skill is under 50 lines with no bundle files (references/, scripts/, assets/ are absent) and needs no external references, so a flat single file is appropriate. However, the main body has no section headers and the vacuous "When to Use" section is an organization gap, fitting 'good structure; minor organization gaps' rather than the well-organized 5.

4 / 5

Total

16

/

20

Passed

Description

53%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description clearly states what the skill does and names a specific, distinguishable domain, but it lacks any explicit 'when to use' trigger guidance and misses common trigger-term variations (e.g., Linux/shell commands). It is a serviceable but incomplete trigger description.

Suggestions

Add an explicit trigger clause, e.g.: "Use when a UNIX command (ls, grep, sed, etc.) is needed on Windows and no other Unix-like environment (WSL, Git Bash) is available."

Include natural synonyms and concrete examples users would say, such as "Linux commands", "shell tools", or specific tool names (grep, awk, sed) on Windows.

State the concrete capabilities more comprehensively, e.g., "list and run 100+ standard UNIX utilities (ls, grep, sed, tar, vi) from a single busybox.exe binary".

DimensionReasoningScore

Specificity

The description names a concrete domain ("a Win32 build of BusyBox") and one concrete action ("run many of the standard UNIX command line tools on Windows"), matching the anchor for a named domain with 1-2 concrete actions. It does not list several specific actions (not 4), and its action is concrete rather than generic (not 2).

3 / 5

Completeness

The 'what' is clear (use a Win32 BusyBox build to run standard UNIX command line tools), but there is no 'Use when...' clause or equivalent explicit trigger guidance; 'on Windows' only weakly implies when. Per the judging guideline, a missing 'Use when...' clause caps completeness at 3.

3 / 5

Trigger Term Quality

Terms like "BusyBox", "UNIX command line tools", and "Windows" are natural phrases a user might say, but common variations and synonyms such as "Linux commands", "shell tools", or specific tool names (grep, sed) are missing. Keyword coverage is moderate rather than good, so it sits at the 'some relevant keywords' anchor rather than 4.

3 / 5

Distinctiveness Conflict Risk

BusyBox-on-Windows is a fairly clear niche unlikely to trigger the wrong skill, though "run UNIX command line tools on Windows" could overlap with WSL/Git-Bash-adjacent skills. It lacks the explicit distinct trigger phrases of a 5, so it fits 'mostly distinct; minor overlap risk'.

4 / 5

Total

13

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository

administrakt0r/AI-Agents-Safe-Coding-Skills

Path

plugins/AI-Agents-Safe-Coding-Skills-claude/skills/busybox-on-windows/SKILL.md

Reviewed

Table of Contents

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