semantic-layer

DAC is a dashboard-as-code CLI and framework for building interactive dashboards from YAML and TSX, with a built-in semantic layer and an AI agent workflow for updating dashboards.

Strata is a governed semantic layer and BI platform built for AI-safe analytics, with dashboards, agent-facing querying, and federated OLAP routing.

Open-source context layer for data and analytics agents that adds warehouse context, semantic search, and MCP/CLI access for tools like Claude Code and Codex.

SLayer is an open-source semantic layer for AI agents and humans that sits between a database and downstream tools. It can auto-create data models from schema, compile natural-language-style queries into SQL, and be used through MCP, REST, CLI, or Python.

Open-source context layer for analytics/data agents that builds warehouse context from approved metrics, joins, wiki knowledge, and semantic-layer sources, with CLI and MCP support.

Open-source semantic layer for warehouses that infers table, column, join, and business-rule metadata, then serves it to AI agents through MCP and CLI checks.

Graphene is a data analytics framework built for coding agents, with a CLI, SQL-based semantic models, and Markdown pages for dashboards and reporting.