Configure with feature engineering helper operations. Auto-activating skill for ML Training.
NewMaintained
Automatic
◆AI Engineer pack
Last verified 8/29/2026
What it changes
Passed 18 of 22 test cases with the skill, and 18 of 22 without it.
Without skill82%
With skill82%
Checks it passed that the model alone missed
Configures max_features parameter in TfidfVectorizer
1 fixed17 passed either way3 still failing1 broke
Pass-rate lift
0 pp
Tokens
+22%
Agent turns
0%
Response time
+10%
Model gemini-3.6-flashMeasured 8/29/2026v118 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
A test case the skill fixed. Same model, same prompt, with and without the skill.
Prompt
I have a column of free-text customer reviews in a 500,000 row dataset. I plan to convert this column using TfidfVectorizer without setting max_features or min_df. Provide Python code for extracting TF-IDF features efficiently.
What was checked, without and with the skill
Checked
Without skill
With skill
Configures max_features parameter in TfidfVectorizer
Missed
Passed
case-08 · gemini-3.6-flash · 8/29/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md60 linessingle file
Feature Engineering Helper
Overview
This skill provides automated assistance for feature engineering helper tasks within the ML Training domain.
When to Use
This skill activates automatically when you:
Mention "feature engineering helper" in your request
Ask about feature engineering helper patterns or best practices
Need help with machine learning training skills covering data preparation, model training, hyperparameter tuning, and experiment tracking.
Instructions
Provides step-by-step guidance for feature engineering helper
Follows industry best practices and patterns
Generates production-ready code and configurations
Validates outputs against common standards
Examples
Example: Basic Usage
Request: "Help me with feature engineering helper"
Result: Provides step-by-step guidance and generates appropriate configurations