Raffle Winner Picker

Raffle winner picker

by davila7 · MIT license · ★ 32,299 on GitHub

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

---
name: raffle-winner-picker
description: Picks random winners from lists, spreadsheets, or Google Sheets for giveaways, raffles, and contests. Ensures fair, unbiased selection with transparency.
---

# 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

Overview

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

What you get

Random SelectionUses cryptographically random selection
Multiple SourcesWorks with CSV, Excel, Google Sheets, or plain lists
Multiple WinnersCan pick one or multiple winners
Duplicate PreventionEnsures the same person can't win twice
Transparent ResultsShows the selection process clearly
Winner DetailsDisplays all relevant information about winners

Manual install (npx, ZIP)

Claude Codenpx skills add davila7/claude-code-templates --skill raffle-winner-picker -g -a claude-code

Claude Code (degit)

npx degit davila7/claude-code-templates/cli-tool/components/skills/productivity/raffle-winner-picker#main ~/.claude/skills/raffle-winner-picker

Claude.ai / desktopZip the folder and upload it under Settings → Capabilities → Skills.

Codex, Cursor, other agentsPoint them at SKILL.md. The other files are plain text.

Connects with Agent Alley MCP · agentalley.io/mcp

Files included

SKILL.md3.7 KB

Read SKILL.md here

davila7/main1 file shown

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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

Random Selection: Uses cryptographically random selection
Multiple Sources: Works with CSV, Excel, Google Sheets, or plain lists
Multiple Winners: Can pick one or multiple winners
Duplicate Prevention: Ensures the same person can't win twice
Transparent Results: Shows the selection process clearly
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

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

Event Raffle

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

Team Assignment

Have list of participants
"Randomly split this list into 4 equal teams"
Review assignments
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

1	---
2	name: raffle-winner-picker
3	description: Picks random winners from lists, spreadsheets, or Google Sheets for giveaways, raffles, and contests. Ensures fair, unbiased selection with transparency.
4	---
5
6	# Raffle Winner Picker
7
8	This skill randomly selects winners from lists, spreadsheets, or Google Sheets for giveaways and contests.
9
10	## When to Use This Skill
11
12	- Running social media giveaways
13	- Picking raffle winners at events
14	- Randomly selecting participants for surveys or tests
15	- Choosing winners from contest submissions
16	- Fair distribution of limited spots or resources
17	- Random team assignments
18
19	## What This Skill Does
20
21	1. Random Selection: Uses cryptographically random selection
22	2. Multiple Sources: Works with CSV, Excel, Google Sheets, or plain lists
23	3. Multiple Winners: Can pick one or multiple winners
24	4. Duplicate Prevention: Ensures the same person can't win twice
25	5. Transparent Results: Shows the selection process clearly
26	6. Winner Details: Displays all relevant information about winners
27
28	## How to Use
29
30	### From Google Sheets
31
32	```
33	Pick a random row from this Google Sheet to select a winner
34	for a giveaway: [Sheet URL]
35	```
36
37	### From Local File
38
39	```
40	Pick 3 random winners from entries.csv
41	```
42
43	### From List
44
45	```
46	Pick a random winner from this list:
47	- Alice ([email protected])
48	- Bob ([email protected])
49	- Carol ([email protected])
50	...
51	```
52
53	### Multiple Winners
54
55	```
56	Pick 5 random winners from contest-entries.xlsx,
57	make sure no duplicates
58	```
59
60	## Example
61
62	User: "Pick a random row from this Google Sheet to select a winner for a giveaway."
63
64	Output:
65	```
66	Accessing Google Sheet...
67	Total entries found: 247
68
69	Randomly selecting winner...
70
71	🎉 WINNER SELECTED! 🎉
72
73	Row #142
74	Name: Sarah Johnson
75	Email: [email protected]
76	Entry Date: March 10, 2024
77	Comment: "Love your newsletter!"
78
79	Selection method: Cryptographically random
80	Timestamp: 2024-03-15 14:32:18 UTC
81
82	Would you like to:
83	- Pick another winner (excluding Sarah)?
84	- Export winner details?
85	- Pick runner-ups?
86	```
87
88	Inspired by: Lenny's use case - picking a Sora 2 giveaway winner from his subscriber Slack community
89
90	## Features
91
92	### Fair Selection
93	- Uses secure random number generation
94	- No bias or patterns
95	- Transparent process
96	- Repeatable with seed (for verification)
97
98	### Exclusions
99	```
100	Pick a random winner excluding previous winners:
101	Alice, Bob, Carol
102	```
103
104	### Weighted Selection
105	```
106	Pick a winner with weighted probability based on
107	the "entries" column (1 entry = 1 ticket)
108	```
109
110	### Runner-ups
111	```
112	Pick 1 winner and 3 runner-ups from the list
113	```
114
115	## Example Workflows
116
117	### Social Media Giveaway
118	1. Export entries from Google Form to Sheets
119	2. "Pick a random winner from [Sheet URL]"
120	3. Verify winner details
121	4. Announce publicly with timestamp
122
123	### Event Raffle
124	1. Create CSV of attendee names and emails
125	2. "Pick 10 random winners from attendees.csv"
126	3. Export winner list
127	4. Email winners directly
128
129	### Team Assignment
130	1. Have list of participants
131	2. "Randomly split this list into 4 equal teams"
132	3. Review assignments
133	4. Share team rosters
134
135	## Tips
136
137	- Document the process: Save the timestamp and method
138	- Public announcement: Share selection details for transparency
139	- Check eligibility: Verify winner meets contest rules
140	- Have backups: Pick runner-ups in case winner is ineligible
141	- Export results: Save winner list for records
142
143	## Privacy & Fairness
144
145	✓ Uses cryptographically secure randomness
146	✓ No manipulation possible
147	✓ Timestamp recorded for verification
148	✓ Can provide seed for third-party verification
149	✓ Respects data privacy
150
151	## Common Use Cases
152
153	- Newsletter subscriber giveaways
154	- Product launch raffles
155	- Conference ticket drawings
156	- Beta tester selection
157	- Focus group participant selection
158	- Random prize distribution at events
159
160