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using-uv

Python package and project management with UV. Use when creating Python scripts, initializing projects, or managing dependencies.

Quality

87%

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SKILL.md
Quality
Evals
Security

Quality

Content

93%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.

Excellent body content: lean, fully executable, and well-structured with a clear decision guide and verified one-level-deep references. The only meaningful gap is the absence of any verification or troubleshooting guidance in the workflows, which keeps workflow clarity at 4 rather than 5.

DimensionReasoningScore

Conciseness

The body is lean throughout ('UV is a fast Python package manager. Two modes:', 'Standalone Python files with inline dependencies (PEP 723)', terse key-file bullets) with no padding or explanation of concepts Claude already knows. Every token earns its place, matching the 'lean and efficient' anchor.

5 / 5

Actionability

All guidance is copy-paste executable: the PEP 723 inline-metadata block, the project sequence ('uv init myproject', 'uv add requests', 'uv run python main.py'), and common patterns ('uvx ruff check .', 'uv run --with rich script.py') covering the common cases for both modes.

5 / 5

Workflow Clarity

The scripts-vs-projects decision criteria are unambiguous and the project workflow is clearly sequenced (init, cd, add, run), matching 'clear sequence with most checkpoints present'. Not 5 because no verification or error-recovery guidance accompanies either track, e.g. confirming the environment resolved correctly.

4 / 5

Progressive Disclosure

A concise overview with well-signaled, one-level-deep references ('See [references/scripts.md](references/scripts.md) for full guide', 'See [references/projects.md](references/projects.md) for full guide'), both of which exist in the bundle with substantive content. Content is appropriately split between inline essentials and reference detail.

5 / 5

Total

19

/

20

Passed

Description

75%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.

A solid description that clearly states both what the skill does and when to use it, with three concrete trigger actions and a named tool for distinctiveness. It sits just below top marks because the capability list is not comprehensive and several natural trigger terms (install, virtual environment) are missing.

DimensionReasoningScore

Specificity

Names the domain ('Python package and project management with UV') and lists three specific actions ('creating Python scripts, initializing projects, or managing dependencies'), matching the 'several specific actions; minor gaps' anchor. Not 5 because coverage gaps exist (running, locking, tool execution via uvx are unmentioned).

4 / 5

Completeness

Explicitly answers both what ('Python package and project management with UV') and when ('Use when creating Python scripts, initializing projects, or managing dependencies'). Not 5 because the 'what' is high-level compared to the anchor-5 example's fine-grained concrete action list.

4 / 5

Trigger Term Quality

Good keyword coverage with the primary natural phrases ('Python scripts', 'initializing projects', 'managing dependencies', 'package'), matching 'good keyword coverage; a few natural terms missing'. Not 5 because common variations like 'install', 'virtual environment', 'venv', or 'requirements.txt' are absent.

4 / 5

Distinctiveness Conflict Risk

Naming UV establishes a clear niche, but the trigger conditions ('creating Python scripts', 'managing dependencies') are broad Python activities that could overlap with general Python development or pip/poetry skills, matching 'mostly distinct; minor overlap risk'.

4 / 5

Total

16

/

20

Passed

Validation

100%

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

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository

saski/arnesto

Path

.agents/skills/using-uv/SKILL.md

Reviewed

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