PyRank
usemoss

moss

The retrieval layer for production AI systems. Lightning-fast (<10ms) search without vector databases. Built for browser, edge, on-device, and cloud.
PyPI GitHub
More links
Download Stats
Monthly downloads
15.9K
Weekly downloads
2.9K
GitHub stars *
799

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

Package Information

Latest Version
1.18.0
Requires Python
>=3.10
Licence
Unknown
Last Release
2 days ago
First Release
October 28, 2013
Total Releases
33
Python Versions
3 3.10 3.11 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
100
Popularity
60
Adoption
42
Community
60
Provenance
0
How the maintenance status was determined
Last commit
1 days ago
Monthly downloads
15,873
• 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
15,873
Stars
799
Stars per 1k downloads
50.34
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
413
Month daily avg
529
Momentum
-21.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.10
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
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
1 days ago
Total releases
33
Releases/year
2.5
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
38
Monthly downloads
15,873
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
60
 
Issue Burden
87.6
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
36.9%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 347
macOS 6
Windows 3

Python Versions

3.11
64.6% 230
3.12
32.3% 115
3.10
1.4% 5
3.13
0.8% 3
3.14
0.8% 3

Top Countries

1. US US
369
2. IN IN
8
3. DE DE
7
4. FR FR
5
5. DK DK
4
6. MX MX
3
7. CA CA
2
8. NL NL
2
9. SE SE
2
10. TW TW
2

Weekly Downloads

GitHub Stars *

Dependencies

2
12 optional dependencies

Used By

16
View all 16 dependents

Repository details

Forks
103
Issues
70
Last Commit
Yesterday
Contributors
38
Open PRs
65
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
search semantic embeddings vector usemoss moss
Sources and methodology