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Terms of use

Last updated: 15 October 2026.

These terms apply when you use robotheca.org. By using the site or creating an account, you accept them. They are written to be read: nothing in them takes away rights the law gives you.

What Robotheca is

Robotheca is a free library of open-source physical robots, run by Klajdi Haka (see the legal notice). Each robot page describes a project whose files stay in its creator's repository on GitHub: Robotheca links to them at a fixed version, shows a 3D preview and photos only when the license allows it, and adds its own notes (a summary, the parts, a buildability score and English translations of guides). Robotheca is in beta: features may change or stop, and mistakes happen. Tell us when you see one.

Your account

  • You sign in with GitHub, Google or a link sent to your email address. An account is for one person; keep access to your email and your GitHub or Google account safe, as they open your Robotheca account.
  • You can delete your account at any time on your account page. How we handle your information is explained on the privacy page.

What you may add

When you import or suggest a robot, or fill in its card, you add information to the library. Only add public projects you are allowed to add, and describe them truthfully. Never present someone else's project as your own. It is not allowed to add or link to:

  • anything illegal;
  • content that infringes someone else's rights (copyright, trademarks, privacy);
  • malware, or files meant to harm a computer or a person;
  • robots or parts designed to injure people (weapons);
  • spam, misleading links, or impersonation of someone else.

It is also not allowed to try to break or overload the site, get around its limits, or collect other people's information from it.

You keep your rights over what you write. You allow Robotheca to store, show and adapt it (summarise it, translate it, score it) to run the library, free of charge and worldwide, for as long as it is on Robotheca. A creator's files stay under their own license: Robotheca never hosts copies of source files.

How content is checked, and removed

  • Automatic checks. Every import is read by software: it finds the licenses in the repository's files, sorts the files, warns about programs that run on a computer, and measures how well the robot is documented. An AI model (Claude, by Anthropic) fills in the robot card from public text and writes Robotheca's notes and translations. These tools never remove or hide anything on their own.
  • Publishing. The creator of a repository, as shown by GitHub, can publish it once the checks pass. Robotheca also adds open robots and software it finds on public platforms: these are published automatically when every check passes (licenses read from the repository's files, a real robot with build files, no flagged programs), and an administrator reviews any that a check is unsure about, plus a random sample of every batch. A robot suggested by a visitor is reviewed by a person, an administrator, before it is published. A person reads every report.
  • Reports. Anyone can tell us about content they think is illegal or against these terms, with “Report this robot” on every robot page, or at contact@robotheca.org. A person reads every report and decides.
  • What we may do. Correct a robot card or its labels; hide a photo, a file, a guide or a translation; unpublish a robot; decline a suggestion; and, after repeated or serious abuse, suspend an account. A person takes every one of these decisions.
  • Telling you why. When we remove or limit something because it is illegal or against these terms, we tell the person who added it what we did, why, and how to contest it, when we have their email address. We tell the person who reported it what we decided.
  • Contesting a decision. Reply to our email within six months and we look at the decision again, with anything new you send. You can also go to court.
  • Creators. If your project is on Robotheca and you want something changed or removed (the page, its guide, its 3D preview or photos), write to contact@robotheca.org: we act promptly.

Building robots

Robots involve electricity, batteries, motors and moving parts. The projects on Robotheca are designed by their creators, not by Robotheca: Robotheca does not test them or review their code, and the buildability score measures their documentation, not their safety. Follow the creator's instructions and safety rules, and check a project's license before you use it. Prices and parts lists are estimates.

Our responsibility

Robotheca is free and provided as it is, in beta. We work to keep it accurate and available, but cannot promise that it always will be. We are not responsible for projects designed by others, or for what happens when you build or use them, except where the law makes us responsible. Nothing in these terms excludes or limits a liability that the law does not allow to be excluded or limited.

Changes to these terms

When these terms change, the date at the top changes. Before an important change takes effect, we tell account holders by email. If you do not agree with a change, you can delete your account.

Law and disputes

These terms are governed by French law. If you live in another country of the European Union, you keep the protection its law gives consumers. If you have a problem with Robotheca, write to contact@robotheca.org first: most problems are solved that way.