[{"slug":"ZV-2026-1929","server_name":"mcp.thiri.ai","severity":"breaking","title":"mcp.thiri.ai: Tool conduct_band was removed.","summary":"[breaking] Tool conduct_band was removed. [risky] Description of generate_voicing changed (73% word delta). [breaking] Field voices was removed from generate_voicing input; consumers still sending it may be rejected or silently ignored.","changes":[{"kind":"tool_removed","tool":"conduct_band","detail":"Tool `conduct_band` was removed.","severity":"breaking"},{"kind":"description_changed","tool":"generate_voicing","after":"Instrument-ready voicing in a style; pass previousNotes for a voice-leading score.","before":"Instrument-ready voicing in a style. Tension symbols voice by seat substitution (arranging practice, not stacking): 9/b9/#9 replace the root, #11/13/b13 replace the 5th, the 3rd and 7th are untouched guide tones. Pass voices: 5 to promote the implied 9 of an 11/13 chord; pass previousNotes for a voice-leading score.","detail":"Description of `generate_voicing` changed (73% word delta).","severity":"risky","descriptionDelta":0.7333333333333334},{"kind":"input_property_removed","path":"inputSchema.properties.voices","tool":"generate_voicing","before":{"type":"number"},"detail":"Field `voices` was removed from `generate_voicing` input; consumers still sending it may be rejected or silently ignored.","severity":"breaking"}],"published_at":"2026-10-07T20:09:17.962Z"}]