PyRank
idaholab

montepy

MontePy is the most user friendly Python library (API) to read, edit, and write MCNP input files.
PyPI GitHub
More links
Download Stats Bug Tracker Repository conda-forge
Verified repo
Monthly downloads
2.2K
Weekly downloads
369
GitHub stars
66

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
1.5.0
Requires Python
>=3.12
Licence
MIT
Last Release
2 months ago
First Release
January 10, 2024
Total Releases
34
Python Versions
3.12 3.13 3.14
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
40
Adoption
33
Community
60
Provenance
100
How the maintenance status was determined
Last commit
8 days ago
Monthly downloads
2,160
• 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
2,160
Stars
66
Stars per 1k downloads
30.56
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
53
Month daily avg
72
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
More insights and metrics
Python version support tiers
requires_python
>=3.12
Cutting Edge
Minimum supported version is 3.14 or newer
• Modern
Minimum supported version is 3.11 to 3.13
Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
• 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
83 days ago
Total releases
34
Releases/year
12.3
• 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
18
Monthly downloads
2,160
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
75
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
60.0%
contrib / forks
Stale Release
75d
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 15

Python Versions

3.11
66.7% 10
3.12
26.7% 4
3.15
6.7% 1

Top Countries

1. US US
13
2. AU AU
2
3. CN CN
1
4. DE DE
1
5. SG SG
1

Weekly Downloads

GitHub Stars

Dependencies

2
30 optional dependencies

Used By

0
Not used by any tracked packages

Repository details

Forks
30
Issues
104
Last Commit
1 week ago
Contributors
18
Open PRs
3
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
MCNP neutronics imcnp input file monte carlo radiation transport
Sources and methodology