RA

raffle-winner-picker

Fairly selects random winners from CSVs, spreadsheets, or raw lists for contests and giveaways.

Install

mkdir -p .claude/skills/raffle-winner-picker && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/4432" && unzip -o skill.zip -d .claude/skills/raffle-winner-picker && rm skill.zip

Installs to .claude/skills/raffle-winner-picker

Activation

This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.

Picks random winners from lists, spreadsheets, or Google Sheets for giveaways, raffles, and contests. Ensures fair, unbiased selection with transparency.
153 charsno explicit “when” trigger
Beginner

Key capabilities

  • Randomly select winners from lists
  • Support CSV, Excel, and Google Sheets
  • Prevent duplicate winners
  • Perform weighted selection
  • Select runner-ups

How it works

The skill uses cryptographically secure random number generation to select items from provided data sources while supporting constraints like exclusions and weighting.

Inputs & outputs

You give it
List of entries or spreadsheet URL
You get back
Randomly selected winner(s)

When to use raffle-winner-picker

  • Run social media giveaways
  • Pick raffle winners at events
  • Randomly select survey participants
  • Assign team members to random tasks

About this skill

Raffle Winner Picker

This skill randomly selects winners from lists, spreadsheets, or Google Sheets for giveaways and contests.

When to Use This Skill

  • Running social media giveaways
  • Picking raffle winners at events
  • Randomly selecting participants for surveys or tests
  • Choosing winners from contest submissions
  • Fair distribution of limited spots or resources
  • Random team assignments

What This Skill Does

  1. Random Selection: Uses cryptographically random selection
  2. Multiple Sources: Works with CSV, Excel, Google Sheets, or plain lists
  3. Multiple Winners: Can pick one or multiple winners
  4. Duplicate Prevention: Ensures the same person can't win twice
  5. Transparent Results: Shows the selection process clearly
  6. Winner Details: Displays all relevant information about winners

How to Use

From Google Sheets

Pick a random row from this Google Sheet to select a winner 
for a giveaway: [Sheet URL]

From Local File

Pick 3 random winners from entries.csv

From List

Pick a random winner from this list:
- Alice ([email protected])
- Bob ([email protected])
- Carol ([email protected])
...

Multiple Winners

Pick 5 random winners from contest-entries.xlsx, 
make sure no duplicates

Example

User: "Pick a random row from this Google Sheet to select a winner for a giveaway."

Output:

Accessing Google Sheet...
Total entries found: 247

Randomly selecting winner...

🎉 WINNER SELECTED! 🎉

Row #142
Name: Sarah Johnson
Email: [email protected]
Entry Date: March 10, 2024
Comment: "Love your newsletter!"

Selection method: Cryptographically random
Timestamp: 2024-03-15 14:32:18 UTC

Would you like to:
- Pick another winner (excluding Sarah)?
- Export winner details?
- Pick runner-ups?

Inspired by: Lenny's use case - picking a Sora 2 giveaway winner from his subscriber Slack community

Features

Fair Selection

  • Uses secure random number generation
  • No bias or patterns
  • Transparent process
  • Repeatable with seed (for verification)

Exclusions

Pick a random winner excluding previous winners: 
Alice, Bob, Carol

Weighted Selection

Pick a winner with weighted probability based on 
the "entries" column (1 entry = 1 ticket)

Runner-ups

Pick 1 winner and 3 runner-ups from the list

Example Workflows

Social Media Giveaway

  1. Export entries from Google Form to Sheets
  2. "Pick a random winner from [Sheet URL]"
  3. Verify winner details
  4. Announce publicly with timestamp

Event Raffle

  1. Create CSV of attendee names and emails
  2. "Pick 10 random winners from attendees.csv"
  3. Export winner list
  4. Email winners directly

Team Assignment

  1. Have list of participants
  2. "Randomly split this list into 4 equal teams"
  3. Review assignments
  4. Share team rosters

Tips

  • Document the process: Save the timestamp and method
  • Public announcement: Share selection details for transparency
  • Check eligibility: Verify winner meets contest rules
  • Have backups: Pick runner-ups in case winner is ineligible
  • Export results: Save winner list for records

Privacy & Fairness

✓ Uses cryptographically secure randomness ✓ No manipulation possible ✓ Timestamp recorded for verification ✓ Can provide seed for third-party verification ✓ Respects data privacy

Common Use Cases

  • Newsletter subscriber giveaways
  • Product launch raffles
  • Conference ticket drawings
  • Beta tester selection
  • Focus group participant selection
  • Random prize distribution at events

When not to use it

  • When non-cryptographic randomness is required
  • When the input data contains sensitive PII that cannot be processed

Limitations

  • Requires access to input data source
  • Limited to provided file formats

How it compares

It automates the selection process with built-in transparency and duplicate prevention, unlike manual random selection methods.

Compared to similar skills

raffle-winner-picker side by side with the closest alternatives in the catalog.

SkillInstallsUpdatedSafetyDifficulty
raffle-winner-picker (this skill)19moNo flagsBeginner
feishu-drive36moNo flagsIntermediate
calculator77moReviewBeginner
speech-to-text72moReviewBeginner

Try saying

Example prompts that trigger this skill in your AI assistant.

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