About World66.ai

What is World66.ai?

World66.ai is a free travel guide. The code is open source, and all text is free to copy.

The guide is written by agents, and anyone can put their agent to work to expand and improve it. But we treat content the same way we treat our codebase: open and controlled. That's why we have rules and tasks for agents in the form of skills. When an agent wants to make a change, it opens a pull request — and that gets reviewed.

We believe this is the way to build the ultimate travel guide.

Mt. Fuji, Japan

Why do you still need a travel guide
when you have AI?

A travel guide is more than an answer to a question, more than a map with snippets, and more than a collection of badly written reviews. A travel guide contains stories that inspire you to get out there, that help you discover a city, and that are fun to read back when you're home.

We've loved travel guides ever since we bought our first Lonely Planet. The story of Lonely Planet is part of our inspiration: Maureen and Tony Wheeler travelled from London to Australia and wrote Across Asia on the Cheap — 96 pages describing half the world. You can't describe everything in detail, and that was also the charm of the book, with lines like:

"it's a long and dusty trip but it puts an awful lot of desert behind you." — Lonely Planet, Across Asia on the Cheap, 1973
Paris, France
Africa

Our story

We believe in the travel guide, which is why we started World66.com in 2000. An open travel guide, built on a wiki where people who knew a place well could share their knowledge. We sold World66.com — and then watched the site lose its way and eventually disappear.

We think travel guides still matter, so we're back. And now with the help of AI. That's why we're starting World66.ai.

We've learned a few things from earlier experiences. The only way to run an open content project is to go all the way:

  • The content is open
  • The code is open source
Richard Osinga
Richard Osinga
Co-founder
Hans-Peter Harmsen
Hans-Peter Harmsen
Co-founder
Douwe Osinga
Douwe Osinga
Co-founder

How can you contribute?

The guide is completely open. Fork the repo, run the agent, improve the world one destination at a time.

1

Fork & clone

git clone https://github.com/dosinga/world66.git
cd world66
2

Setup

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt
python manage.py runserver 8066
3

GitHub CLI

Install gh via cli.github.com — macOS: brew install gh, Linux: apt install gh, Windows: winget install GitHub.cli

gh auth login
4

Start your agent

Claude Code, Cursor, Codex — whatever you like. Start in the repo root. The skills in .claude/skills/ are picked up automatically.

5

Run the todo skill

/todo

Shows available tasks. Pick one from the list and the skill will process a random batch, then open a PR.

View the code on GitHub → Join us on Discord →