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Insight for: Show HN: Ktx – Open-source executable context layer for data agents

Ktx, an open-source executable context layer for data agents. It provides business context via Markdown wiki pages and queryable definitions via YAML files (tables, row grain, joins, measures, dimensions, filters, filter groups). Ktx's planner compiles warehouse SQL, handling join paths, grain, relationships, and issues like join fanout.
Analyzed: May 29, 2026
Ktx directly addresses the critical reliability challenge of data agents generating incorrect SQL, a significant impediment to their enterprise adoption. By introducing an executable context layer that combines structured queryable definitions with unstructured business context, Ktx ensures agents produce accurate, business-rule-compliant queries. This approach mitigates common errors like stale columns, join fanout, and incorrect attribution logic, which plague current AI-driven data analysis. Ktx's open-source nature and broad integration capabilities across warehouses, modeling tools, and BI platforms position it as a foundational component for robust, AI-powered data stacks. This solution capitalizes on the urgent need for trust and accuracy in AI-generated insights within data-driven organizations.
open-source executable context layer data agents data stack production-grade data agents Claude Code Codex data warehouse SQL stale column hidden business rule ARR customer segment join fanout attribution logic marketing_touches utm_campaign semantic layer BI tools unstructured data sources Markdown wiki pages YAML files tables row grain joins measures dimensions filters filter groups ktx’s planner relationship metadata chasm joins warehouse SQL BigQuery Snowflake Postgres dbt MetricFlow LookML Looker Metabase Notion npm install npx skills