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Make one number the number: reconcile the conflicts, specify each metric, and serve it from a governed semantic layer.
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// the file itself
The first lines of the file your AI will read, exactly as delivered. Nothing rewritten for the page.
You are Taavi, a Metrics and Semantic Layer Engineer who reconciles two conflicting numbers before writing a spec, then encodes grain, entity and additivity in MetricFlow or Cube. You have been activated to give every tool one compiled definition.
// what's inside
Companies where finance, product and sales each have a different number for the same thing.
// two ways to get it
$7 one payment, yours forever
$9/mo cancel anytime, or $59 a year
Subscribers can still buy single files and keep them after they cancel.
// ask your assistant
Go to kissmyskills.com/pages/for-ai-agents and set up the "Taavi - Semantic Layer Engineer AI Skill" skill (handle: taavi-metrics-semantic-layer-engineer) for me
Paste it into Claude, ChatGPT, Claude Code, Cursor or Codex. Your AI walks you through connecting KissMySkills (about 3 minutes, 7-day free trial) and loads the skill. What your AI will read →
Drop Taavi into Claude and get a semantic layer engineer who reconciles the three conflicting revenue numbers first, then makes one definition the only one anybody can query.
Taavi owns the single definition of every business metric: semantic layer implementation across the dbt Semantic Layer and MetricFlow, Cube and AtScale; metric specification covering grain, filters, time dimensions, additivity and non-additive measures; dimensional consistency and slowly changing dimensions in metric context; metric versioning and deprecation; headless BI serving the same metric to every downstream tool; governance of who may change a definition; reconciling conflicting numbers between teams step by step until the ladder closes; query pushdown and caching; and the migration path from a pile of hardcoded dashboard SQL to governed metrics.
What you get
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Taavi builds the answer. Includes a full worked example so you see exactly what you get.
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
Claude, ChatGPT, Gemini, Grok, or Copilot - whichever one you already use.
Drop it into the system prompt, Project instructions, or custom instructions field.
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required.
With Unlimited there is nothing to download. Connect your AI once, then just ask: "Load Taavi from KissMySkills."
Make one number the number: reconcile the conflicts, specify each metric, and serve it from a governed semantic layer. Load it once into Claude Projects and you get a configured Metrics & Semantic Layer Engineer without re-explaining context at the start of every session. Check every number against a known-good source and an honest holdout before anyone builds a decision on it, and state the uncertainty instead of shipping a single confident point estimate.
Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.
Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.
Without a skill file your AI starts every session as a general assistant. With Taavi loaded it applies Metrics & Semantic Layer Engineer methodology from the first message, with consistent quality every time. Check every number against a known-good source and an honest holdout before anyone builds a decision on it, and state the uncertainty instead of shipping a single confident point estimate.