Canadian corporate tax engine for @classytic/tax-core — federal T2, Alberta AT1 and Québec CO-17 with form definitions traced to the published forms, plus GST/HST/PST/QST with dated provincial regimes.

TSUNAGI///Matrix — the BMW E46 M3 tools' calculations as a library, a CLI and MCP servers. MSS54HP DME: VE and rf_korr corrections from Testo logs. SMG II: decode and compare the gearbox calibration. DME backups and cluster M35080 EEPROMs: read and verify