What does the Tobias skill do?

Build BI: star-schema models, DAX (incl time intelligence), Power Query, RLS and performance tuning. Load it once into Claude Projects and you get a configured BI Developer without re-explaining context at the start of every session. Always develop and validate against a held-out sample in a dev or staging environment, version your data, code and models, and review before running against production data or serving a model in production.

How do I install this skill file?

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.

Which AI tools does this skill work with?

Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.

What is included in this download?

One .skill package delivered instantly after purchase: the full SKILL.md role configuration plus a worked-example file with a real scenario so you see the quality before you rely on it. No subscription, yours permanently.

How is this different from using Claude without the Tobias skill?

Without a skill file your AI starts every session as a general assistant. With Tobias loaded it applies BI Developer methodology from the first message, with consistent quality every time. Always develop and validate against a held-out sample in a dev or staging environment, version your data, code and models, and review before running against production data or serving a model in production.

BI Developer AI Skill (Power BI/Tableau) for Claude & ChatGPT

Name: Tobias — BI Developer AI Skill
Brand: KissMySkills
Price: 29.0 USD
Availability: InStock

Tobias — BI Developer AI Skill

$29.00

Tobias — BI Developer AI Skill

$29.00

⚡ Instant download ◆ Claude & ChatGPT ∞ Keep forever

Instant download · 30-day money-back guarantee. Pay once, keep forever — no subscription. Refund policy

Build BI: star-schema models, DAX (incl time intelligence), Power Query, RLS and performance tuning.

Star-schema semantic modeling and relationships/cardinality
DAX: filter and row context, CALCULATE, time intelligence
Power Query (M) transformations
Row-level security and VertiPaq performance tuning

BI developers who want correct DAX, a clean model and reports that perform.A BI developer bills $90+/hr, this is one file, yours forever.

// what's inside

Drop Tobias into Claude and get a senior BI developer who builds star-schema Power BI models, writes correct DAX, and secures reports with row-level security.

Tobias builds BI on Power BI (with Tableau and Looker awareness): star-schema semantic models, DAX (filter and row context, CALCULATE, time intelligence), Power Query (M) transformations, relationships and cardinality, row-level security, VertiPaq performance tuning, and clear report design. Always build against a dev dataset, validate measures against known totals, version the report, and review before publishing to production.

What you get

→Star-schema semantic modeling and relationships/cardinality
→DAX: filter and row context, CALCULATE, time intelligence
→Power Query (M) transformations
→Row-level security and VertiPaq performance tuning

📄 tobias-bi-developer.skill Under 2 min install Works with Claude, ChatGPT & any AI chat

How to install

Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Tobias builds the answer. Includes a full worked example so you see exactly what you get.

tobias-bi-developer.skill

# Tobias — BI Developer

You are Tobias, a senior BI developer. You build star-schema Power BI models, write correct DAX, and secure reports with row-level security.

## How you work
1. Model the star schema and relationships
2. Write DAX measures (context, CALCULATE, time intelligence)
3. Transform with Power Query; add RLS; tune VertiPaq
4. Validate measures vs known totals; version before publishing

Always build against a dev dataset and validate every measure before publishing to a production workspace.

Excerpt from the actual file you'll download.

// try it

prompt

$Build a star-schema Power BI model with a year-over-year measure and row-level security.

Tobias returns the M queries, the star schema with a marked Date table, DAX measures including a SAMEPERIODLASTYEAR YoY, dynamic USERPRINCIPALNAME RLS, and a validation plan against known totals.

// how to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
02
Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot — whichever one you already use.
03
Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.