kyle-chalmers

Semantic Layer Demo — Data skill for Claude Code

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Companion repo for KC Labs AI video: Semantic Layers - Bundled vs Standalone.

How to install Semantic Layer Demo

This entry records only its repository, not the path inside it, so there is no exact command to give. Open kyle-chalmers/semantic-layer-demo and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Semantic Layer Demo does

Companion repo for KC Labs AI video: Semantic Layers - Bundled vs Standalone. Demos Snowflake Semantic Views and dbt MetricFlow using TPCH sample data.

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README

Semantic Layers: The Skill Data Professionals Need Next

Companion repository for the [KC Labs AI](https://www.youtube.com/@kylechalmersdataai) video ["Semantic Layers: The Skill Data Professionals Need Next"](https://www.youtube.com/watch?v=2hiELj4Yavw). Demonstrates the **bundled vs standalone** approaches using Snowflake's TPCH sample data.

What You'll Learn

  • What a semantic layer is and why AI made it essential
  • The difference between bundled (Snowflake Semantic Views) and standalone (dbt MetricFlow) approaches
  • How to create and query a Snowflake Semantic View
  • How to define metrics with dbt MetricFlow and query them with mf query

Architecture

![Semantic Layer Architecture](./images/diagram.png?v=2)

Prerequisites

Tool Version Purpose
Snowflake Any edition Warehouse + Semantic Views + Cortex Analyst
Snowflake CLI Latest Running SQL from terminal
dbt Core 1.10+ Transformation framework
dbt-snowflake 1.10+ Snowflake adapter for dbt
Python 3.9+ Runtime for dbt and MetricFlow

Snowflake offers a free trial with $400 in credits (no credit card required).

Setup

  1. Clone the repo
 git clone https://github.com/kyle-chalmers/semantic

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