[{"slug":"ZV-2026-0239","server_name":"predmcp.com","severity":"breaking","title":"predmcp.com: Tool get_signals was removed.","summary":"[breaking] Tool get_signals was removed. [safe] Tool get_outcome_edges was added. [risky] Description of get_outcome_fair_value changed (31% word delta). [breaking] Enum value BTC removed from asset on get_outcome_fair_value. [breaking] Enum value ETH removed from asset on get_outcome_fair_value.","changes":[{"kind":"tool_removed","tool":"get_signals","detail":"Tool `get_signals` was removed.","severity":"breaking"},{"kind":"tool_added","tool":"get_outcome_edges","detail":"Tool `get_outcome_edges` was added.","severity":"safe"},{"kind":"description_changed","tool":"get_outcome_fair_value","after":"Options/vol-implied fair value for a HIP-4 binary/range/touch PRICE market (\"<asset> above $X at time T?\"). Returns the risk-neutral probability the market resolves YES, and — if you pass market_yes_price — the signed edge in probability points and a YES cheap/rich/fair verdict. BTC/ETH price off the live Deribit IV smile (interpolated to strike + DTE); ANY other asset falls back to Hyperliquid 30d realized vol. iv_source labels which was used (smile/term_interp/skew_adj/atm/realized_vol). The touch case uses the correct drifted first-passage formula. Approximations are listed in caveats.","before":"Options-implied fair value for a HIP-4 binary/range/touch PRICE market (\"BTC above $X at time T?\"). Returns the risk-neutral probability the market resolves YES from live Deribit options, and — if you pass market_yes_price — the signed edge in probability points and a YES cheap/rich/fair verdict. IV is term-interpolated to the market DTE and skew-adjusted to the strike; the touch case uses the correct drifted first-passage formula. Approximations are listed in caveats. BTC/ETH only.","detail":"Description of `get_outcome_fair_value` changed (31% word delta).","severity":"risky","descriptionDelta":0.3132530120481928},{"kind":"enum_value_removed","path":"inputSchema.properties.asset","tool":"get_outcome_fair_value","before":"BTC","detail":"Enum value `BTC` removed from `asset` on `get_outcome_fair_value`.","severity":"breaking"},{"kind":"enum_value_removed","path":"inputSchema.properties.asset","tool":"get_outcome_fair_value","before":"ETH","detail":"Enum value `ETH` removed from `asset` on `get_outcome_fair_value`.","severity":"breaking"}],"published_at":"2026-08-20T17:50:38.439Z"}]