io.github.jucasoliveira/huebr
repo:https://github.com/jucasoliveira/huebr
Cross-venue prediction market odds (Polymarket, Kalshi, PredictIt, Manifold) with arbitrage signals
- transport:
- remote
- credential class:
- open
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- find_arbitrageshallow
Cross-venue arbitrage, buying YES on one venue and NO on another so one leg always pays, with net edge per contract after modelled fees, ROI and available size. Without a PRO plan, results beyond a short preview cost $0.01 per call from the caller's prepaid credit; callers without credit see the preview.
- find_cross_venue_eventsshallow
Propositions matched across venues with each venue's price side by side, the liquidity-weighted consensus probability, the dispersion between venues and the cheapest venue to buy YES or NO.
- find_mispricingsshallow
Venues whose executable price is away from the consensus of the other real-money venues, with expected edge per contract if that consensus is right. Without a PRO plan, results beyond a short preview cost $0.01 per call from the caller's prepaid credit; callers without credit see the preview.
- get_calibrationshallow
The calling key's calibration record - Brier score, log loss, skill against the market price and the consensus at posting time, and a 10-bucket calibration curve.
- get_eventshallow
One matched event by id (evt_...), with every venue quote and the live arbitrage and mispricing signals on it.
- get_marketshallow
Full detail for one market by id: {venue}:{nativeId}, as returned by search_markets.
- get_price_historyshallow
Implied probability of one market as the last value per bucket, for any range (default the last 24 hours at 5 minute resolution). History is kept permanently, including for closed markets. Without a PRO plan, the full series costs $0.002 per call from the caller's prepaid credit; callers without credit get the latest 12 points.
- list_my_signalsshallow
The calling key's signals, newest first, with status (OPEN, SCORED, VOID) and scores once resolved.
- list_venuesshallow
Venues covered (Polymarket, Kalshi, PredictIt, Manifold), the number of open markets on each, sync health and whether prices are streamed live.
- post_signalshallow
Records a forecast on one market (or cross-venue event) for the calling API key. probability is the probability that the market resolves YES. The market price and cross-venue consensus at posting time are stored with it. Each signal is scored with Brier score and log loss when the market resolves, building a calibration record per key. It does not place a trade.
- search_marketsshallow
Open binary markets on every venue whose text contains all the keywords, with normalised prices (probability, best bid and ask for YES and NO), volume, close time, the venue URL and the cross-venue eventId when the market is matched on other venues.
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