PyRank
mujocolab

mjlab

Isaac Lab API, powered by MuJoCo-Warp, for RL and robotics research
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

mjlab has 245K monthly downloads and 3K GitHub stars. Version 1.5.0 supports Python <3.14,>=3.10, first published in 2025.

It is actively maintained under a permissive license, last released in Jun 2026.

It is built on top of imageio-ffmpeg, mediapy and mjviser. It is used by 3 tracked packages, including orca-locomotion, wbc-mjlab and unienv-mjlab.

GitHub topics include isaaclab, mujoco and mujoco-warp.

Downloads
Day
981
Week
7.8K
Month
245.1K
Stars
2.6K
Forks
439
Issues
25
Version
1.5.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
74
Adoption
53
Community
70
Provenance
0
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
245,091
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
245,091
Stars
2,639
Stars per 1k downloads
10.77
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
• Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
1,116
Month daily avg
8,170
Momentum
-86.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
<3.14,>=3.10
Cutting Edge
Minimum supported version is 3.12 or newer
• Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Apache-2.0
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
8 days ago
Total releases
15
Releases/year
19.3
• Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
58
Monthly downloads
245,091
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
86
 
Issue Burden
9.5
per 1k stars
Discussions
31.5
per 1k stars
Fork Ratio
13.2%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 383
macOS 6
Windows 4

Python Versions

3.12
41.7% 164
3.13
23.7% 93
3.11
22.4% 88
3.10
11.7% 46
3.14
0.5% 2

Top Countries

1. US US
290
2. CN CN
58
3. SG SG
16
4. SE SE
15
5. HK HK
10
6. KR KR
10
7. NL NL
6
8. JP JP
5
9. VN VN
5
10. IN IN
4

Dependencies

20
2 optional dependencies

Used By

3
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
Apache-2.0
First Release
September 26, 2025
Last Release
1 week ago
Last Commit
5 days ago
Latest Version
1.5.0
Total Releases
15
Contributors
58
Open PRs
13
Archived
No
Author
The MjLab Developers
Python Versions
3 3.10 3.11 3.12 3.13
Wheels
py3
Keywords
mujoco mujoco-warp simulation reinforcement-learning robotics
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links