No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
zen-engine has 317K monthly downloads and 2K GitHub stars. Version 0.53.0 supports Python 3.7+, first published in 2023.
It is actively maintained, last released in Mar 2026.
It is used by 3 tracked packages, including planar, zen-rule and wise-decision-engine.
Package Insights
Package Risks
- No releases in 105 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
68
Adoption
65
Community
45
Provenance
0
How the maintenance status was determined
Last commit
7 days ago
Monthly downloads
317,165
•
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
317,165
Stars
1,811
Stars per 1k downloads
5.71
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
9,869
Month daily avg
10,572
Momentum
-6.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.7
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
Not specified
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
Package does not declare a license.
How the release cadence was determined
Last release
113 days ago
Total releases
84
Releases/year
25.3
•
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
16
Monthly downloads
317,165
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
71
Issue Burden
16.6
per 1k stars
Discussions
45.8
per 1k stars
Fork Ratio
8.3%
contrib / forks
Stale Release
105d
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
4.9K
macOS
33
Windows
3
Python Versions
3.12
53.3%
2.4K
3.14
22.3%
986
3.13
11.0%
488
3.11
7.5%
331
3.9
5.8%
258
Top Countries
1.
US
4.5K
US
2.
SG
276
SG
3.
DE
54
DE
4.
CA
38
CA
5.
NL
37
NL
6.
IN
28
IN
7.
GB
27
GB
8.
CN
25
CN
9.
AU
21
AU
10.
PH
16
PH
Used By
3
Package Information
License
Unknown
First Release
March 13, 2023
Last Release
3 months ago
Last Commit
1 week ago
Latest Version
0.53.0
Total Releases
84
Contributors
16
Open PRs
9
Archived
No
Wheels
cp310
cp311
cp312
cp313
cp314
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh