Honeydew is a semantic layer that lives in your data warehouse and serves both BI tools and AI agents from the same governed model. The linked honeydew-ai-coding-agents-plugins repo (Apache 2.0) is a multi-vendor marketplace covering Claude Code, Codex, Cursor, GitHub Copilot CLI, Gemini CLI plus raw MCP, with 11 skills (model exploration, entity/ relation/attribute/metric/context/domain creation, validation, query, filtering, workspace branching). Warehouses: Snowflake, Databricks, BigQuery.