Build real-time auction platforms with PubNub bidding and countdowns
Does it follow best practices?
Evaluation — 100%
↑ 1.35xAgent success when using this tile
Validation for skill structure
{
"context": "Tests whether the agent correctly implements reserve price handling with server-side secrecy, auto-extend anti-sniping timers with extension limits, extension event broadcasting, and outbid notification delivery.",
"type": "weighted_checklist",
"checklist": [
{
"name": "Reserve stored server-side",
"description": "Reserve price is stored in KV Store on the server side and is NOT included in messages published to auction channels visible to bidders",
"max_score": 10
},
{
"name": "Reserve met broadcast",
"description": "When a bid meets or exceeds the reserve price, a 'reserve_met' (or equivalent status-change) message is broadcast to the auction channel without revealing the actual reserve amount",
"max_score": 10
},
{
"name": "Auto-extend trigger",
"description": "Implements auto-extend logic that detects when a bid arrives within a configurable threshold of the auction end time (e.g., last 30-60 seconds)",
"max_score": 10
},
{
"name": "Auto-extend time addition",
"description": "When auto-extend triggers, extends the auction end time by the configured auto-extend duration (e.g., 30 seconds)",
"max_score": 8
},
{
"name": "Max extensions limit",
"description": "Enforces a maximum number of allowed extensions (e.g., maxExtensions), refusing to extend further once the limit is reached",
"max_score": 10
},
{
"name": "Max duration limit",
"description": "Enforces a maximum total auction duration (e.g., maxTotalDurationHours) as a hard stop regardless of extensions",
"max_score": 8
},
{
"name": "Extension broadcast",
"description": "Broadcasts an 'auction_extended' event to the auction channel that includes the new end time and remaining time",
"max_score": 10
},
{
"name": "Extension number tracking",
"description": "Tracks and includes an extension count or extension number in the extension broadcast message",
"max_score": 6
},
{
"name": "Outbid notification channel",
"description": "Sends outbid notifications to the previous bidder's personal notification channel (following user.<userId>.notifications pattern)",
"max_score": 10
},
{
"name": "Outbid notification content",
"description": "Outbid notification includes the new high bid amount and the auction identifier",
"max_score": 8
},
{
"name": "Outbid in same transaction",
"description": "Outbid notification is published within the same PubNub Function execution as the bid acceptance, not as a separate delayed process",
"max_score": 10
}
]
}