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semantic-layer

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Hawksight-AI / semantica

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Star 918

Semantica 🧠 — A framework for building semantic layers, context graphs, and decision intelligence systems with explainability and provenance.

python-library semantic-web developer-tools graph-analytics ai-agents knowledge-engineering schema-design data-infrastructure ontology-engineering rag semantic-layer knowledge-graphs graph-modeling context-graph llmops context-management graphrag agentic-ai ai-infrastructure agent-memory
  • Updated Mar 31, 2026
  • Python

JetBrains / databao-context-engine

Star 74

Databao Context Engine is an open-source engine that automatically generates a governed semantic context from your databases, BI tools, documents, and spreadsheets. It runs locally in your environment and integrates with any LLM to deliver accurate, context-aware answers

mysql sql analytics businessintelligence postgresql snowflake context business-intelligence semantic-layer embedded-analytics data-content headless-bi text-2-sql agentic-analytics databao
  • Updated Mar 31, 2026
  • Python

ralfbecher / orionbelt-semantic-layer

Star 29

API-first semantic engine and query planner for AI agents that compiles declarative YAML models into optimized, dialect-specific SQL across BigQuery, PostgreSQL, Snowflake, ClickHouse, Dremio, Databricks, DuckDB, and MySQL.

mysql yaml bigquery rest-api clickhouse mcp postgresql snowflake business-intelligence data-analytics databricks dremio semantic-layer duckdb ai-analytics ai-workflow agentic-ai model-context-protocol mcp-server
  • Updated Mar 31, 2026
  • Python

bonnard-data / bonnard

Star 22

Open-source agentic schema for reliable data outputs. Query data through MCP and via our SDK. Create apps, embed data or just simply explore through your preferred agent.

open-source bigquery typescript postgresql snowflake dbt data-modeling structured-output text-to-sql semantic-layer duckdb reliable-ai metrics-layer metrics-store ai-analytics agentic model-context-protocol mcp-server agentic-analytics agentic-schema
  • Updated Mar 3, 2026
  • TypeScript

ralfbecher / orionbelt-analytics

Star 16

Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHouse, Dremio) and generates RDF/OWL ontologies with SQL mappings for fan-trap-free Text-to-SQL.

rdf clickhouse mcp postgresql snowflake ontology knowledge-graph turtle dremio text-to-sql semantic-layer ai-analytics agentic claude-desktop agentic-ai text-2-sql model-context-protocol mcp-server text-to-sql-translation r2rrml
  • Updated Mar 31, 2026
  • Python

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