snowflake-mcp-v21-upgrade
Snowflake MCP v21.0.0 Upgrade — 856 Tools, 24 Categories
Full Protocol MCP server upgrade completed in one session: v19.0.0 → v20.0.0 → v21.0.0.
v20.0.0 (infrastructure): Fixed CRITICAL Dockerfile -m flag (UV cache permission), aligned Gold Stack deps, consolidated 104→24 categories, registered unregistered methods, cleaned version strings Bible v9.0→v18.1.
v21.0.0 (capabilities): +78 new tools for Feb-Apr 2026 Snowflake features — Snowflake Postgres (6), Cortex Document AI (3), Agent Evaluations+Budgets (5), AI Cost Management (8), Cortex Search Multi-Index (2), Semantic View Enhancements (4), DCM Projects (5), Security (10), Openflow (4), Iceberg v3 (4), ML Experiments (4), Pipeline (5), Budget Actions (3), DataSketches HLL (2), Clean Rooms (3), Native Apps (2), Observability (2).
Key gotchas: (1) Tool registry grep count != Python import count — always use import. (2) Appending methods to class file must insert BEFORE module-level singleton code. (3) exec()-generated tools enforce Python parameter ordering in ToolDefinition.parameters.
Skill upgraded: Ontology Stack Builder workflow (7-phase gated) + Intelligence Mesh architecture (domain-specific + cross-domain master layer) encoded. Trigger on any “[function] intelligence” phrase.
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