English | 简体中文 Design appearances. Train motions. Create worlds for Jumper, a 22-DoF crab robot. View hardware →
Open this repository in an AI coding assistant and describe what you want in one sentence. The linked projects and guides below give your assistant the workflows to follow.
🦀 Get a free Jumper! Find out how →
Design a warm sand ranger appearance for Jumper with coordinated body and limb colors, then export a .skin.
| Warm sand ranger | Silver armor | Raphael Turtle |
Train a stable tripod gait for Jumper, replay and evaluate the result, then package it as an .app.
| Walk | Posture | Gesture | | Dance | Jump | Grasp |
Create a park pump-track scene for Jumper with rolling terrain, trees and benches, then export a .map.
| Park pump track | Bedroom | Soccer |
| Resource | Purpose |
|---|---|
| jumper-design | Appearance and scene creation; your assistant reads its instructions and uses its tools as needed. |
| Training tutorial | Motion training, replay and policy export in this repository. |
| Motion bundles | Package trained motions and their controller as an .app ; see thebuild guide for prerequisites. |
| Project guide | Setup, current capabilities and further documentation. |
Training builds on [mjlab](https://github.com/mujocolab/mjlab),
[rsl_rl](https://github.com/leggedrobotics/rsl_rl), [MuJoCo](https://github.com/google-deepmind/mujoco)
and [MuJoCo Warp](https://github.com/google-deepmind/mujoco_warp).
Example appearance and scene images come from jumper-design; image sources
and third-party notices record attribution. Copyright 2026 KingKong Robotics.
Maintainer-owned project materials are licensed under Apache-2.0. See LICENSE, NOTICE, and licensing details. Third-party materials remain under their respective terms, and generated outputs do not automatically inherit this repository's license.