Semantic Layer Python Packages

metricflow

MetricFlow allows you to define, build, and maintain metrics in code.

dbt-metricflow

MetricFlow allows you to define, build, and maintain metrics in code.

xorq

Executable memory system for tabular data that works in your harness.

orionbelt-semantic-layer-mcp

MCP server for the OrionBelt Semantic Layer. Enables LLMs to explore semantic models, compile queries, and execute analytics via natural language. Works with Claude, Cursor, Windsurf, Copilot.

motley-slayer

SLayer: a lightweight semantic layer for AI agents and humans

databao-context-engine

Semantic context for your LLMs — generated automatically

agentic-data-contracts

YAML-first, domain-driven data governance for AI agents — teach agents your business domains, metrics, and rules before they write SQL

orionbelt-analytics

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.

maxcompute-semantic

Agent-agnostic semantic skill for MaxCompute SQL — CLI + bare SKILL.md bundle

databao

Databao agent is an open-source agent that enables you to chat with your data and receive answers in text, interactive charts, and tables.

dqtlib

A Data Questioning Tool that tells you the what and the why

intugle

The GenAI-powered toolkit for automated data intelligence.

driftdb

Historical metric store

zillion

Make sense of it all. Semantic data modeling and analytics with a sprinkle of AI. https://totalhack.github.io/zillion/

databao-agent

Databao agent is an open-source agent that enables you to chat with your data and receive answers in text, interactive charts, and tables.

schemabrain

The trust and intelligence layer between AI agents and your database. Read-only by architecture, semantic knowledge graph + audit log, MCP-native.

datagit

Git based metric store

sz-semantics

Transform JSON output from Senzing SDK for use with graph technologies, semantics, and downstream LLM integrations

boyce

Privacy-first SQL compiler and open semantic protocol exposed as an MCP server

dbt-snapshot-analysis

Metrics Observability & Troubleshooting

semantic-view-guard

Lint and score Snowflake semantic models (native SEMANTIC VIEW DDL and Cortex Analyst YAML) for correctness and AI-readiness.

groundedql

Open-source semantic compiler for reliable natural-language analytics over Postgres.

intentql

IntentQL — Intent-driven, deterministic natural language to SQL for Postgres.

metricflow-klook-data

MetricFlow allows you to define, build, and maintain metrics in code.