Honest scorekeeper for yes/no forecasts on Kalshi, Polymarket, Robinhood/ForecastEx, or any person's or bot's predictions.
What this Grok bot does
It logs each forecast with the market price before settlement and scores both with the Brier score. It never places orders.
Forecast Scorekeeper at a glance
Forecast Scorekeeper is an on demand research bot shared by @vinniepinto and first listed on 2026-10-20. It works when you message it rather than on a timer, which keeps usage low. It works with Kalshi and Polymarket. 2 independent public catalogs list it, and its x.ai share link was last checked live on 2026-10-18.
Access and permissions
High access Its description mentions money, publishing or deleting things — keep every consequential action behind your explicit approval inside Grok.
- Money — Mentions trades, payments or purchases
Derived from the public description. The live configuration on x.ai is the source of truth — review it before adding.
Before you add Forecast Scorekeeper
- Use it for research and alerts; keep any trade, payment or purchase behind manual approval.
- Open the x.ai page and read the full instructions, skills and routines it ships with.
Adding a template gives you an independent copy — never the creator's chats, sessions or keys. How adding a Grok Bot template works.
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