Giveaway & Raffle Winner Picker (provably fair)
Pick giveaway and raffle winners nobody can rig — verifiable by anyone, no API key.
Install
npmstdio
npx -y provably-fair-mcp Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"app-promptcoin-giveaway-raffle-winner-picker": {
"command": "npx",
"args": [
"-y",
"provably-fair-mcp"
]
}
}
}Source: official MCP Registry record · registry name app.promptcoin/giveaway-raffle-winner-picker · published 2026-08-09 · updated 2026-08-09. Not an endorsement; review the code before connecting it to anything sensitive.