Build an AI Language Tutor Using n8n and Multimodal AI

Generic language apps lack the feedback loops necessary for mastering complex languages like Mandarin. In this article, Ahmad Wael explains how to build a custom AI Language Tutor using n8n and multimodal LLMs. Learn to orchestrate speech-to-text, ElevenLabs, and Gemini for a high-fidelity learning experience that costs less than 1 euro monthly.

SplineTransformer: Handling Non-Linear Data the Right Way

Stop fitting straight lines to curved data. This guide explains why Scikit-Learn’s SplineTransformer is superior to polynomial regression for handling non-linear trends. Learn to avoid Runge’s Phenomenon, implement B-spline pipelines, and use periodic extrapolation for cyclical data like seasonal sales or daily demand. Professional advice for building stable, production-ready machine learning models.

How to Leverage Slash Commands to Code Effectively

Stop wasting time re-typing repetitive AI prompts. Learn how to leverage Slash Commands in tools like Cursor and Claude Code to automate WordPress development, from scaffolding unit tests to analyzing debug logs. Senior dev Ahmad Wael shares his “Golden Prompts” for building a faster, more consistent technical workflow.

Proven Automatic Prompt Optimization for Multimodal Agents

Stop guessing with your prompts. Automatic Prompt Optimization uses systematic algorithms like HRPO to refine multimodal vision agents, replacing manual trial-and-error. Learn how to implement the Opik-optimizer SDK with GPT-5.2 to improve accuracy by over 150% in production autonomous driving scenarios. A technical guide from a senior developer’s perspective.

Penpot MCP Server: AI Workflows With Real Design Context

The Penpot MCP server experiment marks a major shift in AI-powered design workflows. By leveraging the Model Context Protocol, Penpot provides a secure, structured bridge for LLMs like Claude to interact with real design data. This senior dev’s take explores why design-expressed-as-code is the only way to eliminate AI hallucinations and technical debt.