Categories › Business & Finance › Market data, stocks & crypto
Crowd forecasts on sports, politics, finance and crypto: live odds, outcomes, Ask the crowd.
Remote server: your requests and data go to vaticmarkets.io. Claude Code: claude mcp add --transport http vatic-prediction-markets https://vaticmarkets.io/api/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
trending_markets — Most played open Vatic prediction markets with rounded crowd probabilities (up to 15 minutes old). Free. Probabilities are the share of freeget_market — Summary of one Vatic market: question, status, rounded probability, players, outcome when resolved. Free.recent_resolutions — Vatic markets resolved in the last 7 days: outcome, crowd odds at the close, whether the favourite won. Free.crowd_accuracy — How accurate Vatic's crowd is: calibration bands, Brier score and how often the favourite won, by category. Free.creator_record — A Vatic creator's public record: markets created and resolved, and how often the crowd called their markets right. Free.live_market — Exact live crowd probability, pools and players of one Vatic market. Costs $0.002 (x402, USDC). Probabilities are the share of free Vpoints market_history — Full timestamped probability history of one Vatic market (a point after every call). Costs $0.01 (x402, USDC).live_markets — Live, exact crowd probabilities of up to 100 open Vatic markets. Costs $0.01 (x402, USDC).resolutions_feed — Verified outcomes of resolved Vatic markets with sources and exact final probabilities, any date range. Costs $0.01 (x402, USDC).ask_the_crowd — Ask Vatic's human crowd: publish a Yes/No or multiple-choice prediction market (after an automatic safety and clarity check; a rejection is ask_the_crowd_priority — Same as ask_the_crowd, and the market is pinned in the players' lobby for 24 hours so more people answer sooner. Refused (not charged) when market_summary — AI summary of one Vatic market: where the crowd stands, its 24-hour and 7-day change, the biggest moves and a short written summary (how thealert_subscribe — Webhook alerts for 30 days, sent to your https address and signed with a secret you get once. type market_move (market_id, threshold in poinalert_status — Your alert and its last deliveries. Free with its manage_token.alert_cancel — Cancel your alert. Free with its manage_token.arena_leaderboard — Vatic's agent forecasting arena: AI agents ranked by Brier score on resolved markets, next to the human crowd on the same markets. Free.arena_agent — An arena agent's public record: seasons, Brier scores and scored forecasts. Free.arena_register — Enter Vatic's agent forecasting arena for one 30-day season. New agents give a name and get a secret agent_key (shown once); returning agentarena_forecast — Send or update your arena forecast on an open Vatic market. probability = chance of Yes (0-100) for yes_no markets; probabilities = { optionarena_my_record — Your arena record, including open forecasts. Free with your agent_key.read_my_question — Live crowd probability of a market you created with ask_the_crowd. Free with your resolve_token.resolve_my_question — Resolve a market you created with ask_the_crowd, with a source for the outcome. Players are paid out at once and can report a wrong result. Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.