Skip to content
Tim van der Wijst · AI guides
Search
Ctrl
K
Cancel
Select theme
Dark
Light
Auto
Select language
Nederlands
English
Menu
Learning paths
AI from zero
AI security basics
Your own 24/7 agent on a VPS
Build an app without code
Private AI at home
Safe with agents
How this site is built
Earn with AI
Overview
AI automation for small businesses
Roadmap
Honest numbers: what do you really earn with AI automation?
Chat and voice bots for businesses
Roadmap
Honest numbers: what do you really earn with AI bots?
Apps and SaaS with vibe coding
Roadmap
Honest numbers: what do you really earn with apps and SaaS?
AI content and media
Roadmap
Honest numbers: what do you really earn with AI content?
Security
Overview
Path: AI security basics
Security scan
All safety lessons
Knowledge base
Start here
Overview
What AI is and isn't
How AI works
Overview
What is an LLM, really?
Tokens and the context window
Model names decoded
Chat assistants
Overview
Which assistant should you choose?
Privacy and account settings per assistant
Prompting & context engineering
Overview
APIs, tokens & costs
Overview
Personal 24/7 agents
Overview
Browser & computer-use agents
Overview
MCP, Skills & plugins
Overview
Building agents
Overview
Coding with AI
Overview
Multi-agent workflows
Overview
Local & open models
Overview
Hardware
Overview
Self-hosting, VPS & servers
Overview
Creating SSH keys
Hardening your server
Automation
Overview
Image, video, audio & music
Overview
Voice agents & wearables
Overview
Knowledge, RAG & memory
Overview
Fine-tuning & custom models
Overview
AI for work & business
Overview
Security, privacy & law
Overview
What you never paste into a chat
The dangerous combination: data, input and actions
Prompt injection in practice
Malicious skills, MCP servers and extensions
Managing API keys and secrets
Security check for your app
Careers & earning
Overview
Playbooks
Overview
SEO and GEO: get found by Google and ChatGPT
LinkedIn and X: from posts to clients
Short video: TikTok, Reels and Shorts that stick
YouTube and your newsletter: an audience that's yours
Tools
All tools
Freelance rate calculator (Netherlands, 2026)
Client ROI calculator
Proposal & pitch generator
Revenue planner: how many clients do you need?
AI cost calculator: what does the API cost per month?
Which way of making money with AI suits you?
Which AI assistant suits you?
Hook generator for video and posts
Title checker for YouTube and blogs
GEO checker: will AI cite you?
Security scan for your AI use
Library
All templates
Games
All games
Spot the hidden instruction
Hallucination detective
Guess the price
Comparisons
What do AI models cost via the API? (price comparison)
Best AI assistant for beginners in the Netherlands (2026)
Best way to make money with AI (2026)
n8n vs Make vs Zapier: which one to pick in 2026?
Personal AI agents compared: Hermes, OpenClaw, OpenBot and Grok Bot
Vapi vs Retell vs ElevenLabs Agents: which voice platform to pick?
Own research
Overview
Token index: how much extra does Dutch cost?
AI price index
More
My progress
Radar
Glossary
Changelog
Newsletter
About Tim
Select theme
Dark
Light
Auto
Select language
Nederlands
English
Knowledge base · 17
Knowledge, RAG & memory
Making AI work with your documents and remember what matters.
Intermediate → Advanced
1 lessons
Lessons
Chatting with your own documents
8 min
Coming soon