raffle-winner-picker

Picks random winners from lists, spreadsheets, or Google Sheets for giveaways, raffles, and contests. Ensures fair, unbiased selection with transparency.

Quality

66%

Does it follow best practices?

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Adds up to 20 points to the overall score

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Securityby

Low

Low-risk findings worth noting

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tessl review fix ./raffle-winner-picker/SKILL.md

Quality

Content

50%

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

This skill provides a good conceptual overview of raffle winner selection with clear use cases and example prompts, but lacks the concrete implementation details that would make it truly actionable. It's moderately verbose with sections explaining capabilities Claude would understand, and misses validation checkpoints for ensuring fair, verifiable selection processes.

Suggestions

Add executable Python code showing actual random selection implementation using secrets module or similar cryptographically secure method

Include validation steps in workflows: verify entry count matches expected, confirm no duplicate entries before selection, validate winner eligibility before announcement

Remove or condense the 'What This Skill Does' and 'Privacy & Fairness' sections - these explain concepts Claude already knows

Add concrete code for Google Sheets API access and CSV parsing rather than just showing prompt examples

Dimension	Reasoning	Score
Conciseness	The skill contains some unnecessary sections like 'What This Skill Does' that explain obvious capabilities, and the 'Privacy & Fairness' section states things Claude would inherently understand. The feature lists and tips sections add bulk without proportional value.	2 / 3
Actionability	Provides example prompts and expected output format, but lacks actual executable code for the random selection. The examples show what to ask Claude rather than concrete implementation details like which Python libraries to use or actual code snippets.	2 / 3
Workflow Clarity	The 'Example Workflows' section provides clear sequences for different use cases, but lacks validation checkpoints. No verification steps for confirming data was loaded correctly or that selection was truly random before announcing winners.	2 / 3
Progressive Disclosure	Content is reasonably organized with clear headers, but everything is in one file when some sections (like detailed workflows or weighted selection implementation) could be split out. No references to external documentation for advanced features.	2 / 3
	Total	8 / 12 Passed

Description

82%

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

This is a well-crafted description with strong specificity and excellent trigger terms that users would naturally use. The main weakness is the absence of an explicit 'Use when...' clause, which would help Claude know exactly when to select this skill over others. The description clearly carves out a distinct niche for random winner selection.

Suggestions

Add an explicit 'Use when...' clause, e.g., 'Use when the user needs to pick winners, run a raffle, select random entries, or conduct a fair drawing from a list.'

Dimension	Reasoning	Score
Specificity	Lists multiple specific concrete actions: 'Picks random winners', 'from lists, spreadsheets, or Google Sheets', 'for giveaways, raffles, and contests', and mentions 'fair, unbiased selection with transparency'.	3 / 3
Completeness	Clearly answers 'what' (picks random winners from various sources for contests) but lacks an explicit 'Use when...' clause or equivalent trigger guidance to indicate when Claude should select this skill.	2 / 3
Trigger Term Quality	Excellent coverage of natural terms users would say: 'random winners', 'lists', 'spreadsheets', 'Google Sheets', 'giveaways', 'raffles', 'contests' - all common user vocabulary for this use case.	3 / 3
Distinctiveness Conflict Risk	Very clear niche with distinct triggers around random selection, winners, giveaways, raffles, and contests - unlikely to conflict with general spreadsheet or list processing skills.	3 / 3
	Total	11 / 12 Passed

Validation

81%

Warnings & errors only

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

Validation — 13 / 16 Passed

Validation for skill structure

Criteria	Description	Result
description_trigger_hint	Description may be missing an explicit 'when to use' trigger hint (e.g., 'Use when...')	Warning
metadata_version	'metadata' field is not a dictionary	Warning
license_field	'license' field is missing	Warning

	Total	13 / 16 Passed

Repository: ComposioHQ/awesome-claude-skills
Path: raffle-winner-picker/SKILL.md
Commit: 362d354

Reviewed: about 12 hours ago

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