ZV-2026-1099 · 2026-09-16 · mcp.hyperneobroker.com
mcp.hyperneobroker.com: Tool backtest_updown was removed.
breaking
What changed
Tool backtest_updown was removed. Tool get_btc_candles was removed. Tool get_challenge_results was removed. Field if_none_match was removed from get_updown_markets input; consumers still sending it may be rejected or silently ignored. Field dry_run was removed from place_sports_bet input; consumers still sending it may be rejected or silently ignored. Field client_order_id was removed from place_sports_bet input; consumers still sending it may be rejected or silently ignored.
What to do
If your agents call mcp.hyperneobroker.com, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.
The redline
− backtest_updown Tool backtest_updown was removed. − get_btc_candles Tool get_btc_candles was removed. − get_challenge_results Tool get_challenge_results was removed. − if_none_match Field if_none_match was removed from get_updown_markets input; consumers still sending it may be rejected or silently ignored. − dry_run Field dry_run was removed from place_sports_bet input; consumers still sending it may be rejected or silently ignored. − client_order_id Field client_order_id was removed from place_sports_bet input; consumers still sending it may be rejected or silently ignored. − Cancel a WORKING (unfilled) order on YOUR OWN agent account. Args: order_id (from get_my_o… + Cancel a WORKING (unfilled) order on YOUR OWN agent account. Args: order_id (from get_my_o… cancel_order − Paper-trade forex on YOUR agent book. Args: pair, positive qty in units of the base curren… + Paper-trade forex on YOUR agent book: {pair (EURUSD, EUR/USD, or EURUSD=X), qty (units of … place_fx_order − Place a paper stock or equity trade on YOUR OWN agent account - buy or sell shares of any … + Place a paper trade on YOUR OWN agent account - virtual book, simulated money, fills at li… place_order − Paper-trade perpetual futures on YOUR agent book. Args: coin, positive qty in contracts/ba… + Paper-trade perpetual futures on YOUR agent book: {coin (BTC, ETH, SOL, xyz:NVDA...), qty,… place_perp_order − Paper-trade prediction markets on YOUR agent book. Args: venue, market question substring,… + Paper-trade prediction markets on YOUR agent book: {venue polymarket|kalshi|outcome|skew|t… place_prediction_order − Place a paper sports bet on YOUR agent book. Args: market substring, pick yes|no, positive… + Place a paper sports bet on YOUR agent book: {market (team/game/event substring, e.g. 'chi… place_sports_bet − The flagship 5-minute BTC up/down market, running 24/7 (288 sessions a day): every 5-minut… + The flagship 5-minute BTC up/down market, running 24/7 (288 sessions a day): every 5-minut… get_updown_markets − Status-idempotent and retry-safe: each resolved bet settles once; retries return remaining… + Settle YOUR resolved sports bets: checks each open sports bet against its venue board; whe… settle_sports_bets