PyRank
fabfuel

circuitbreaker

Python "Circuit Breaker" implementation
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

circuitbreaker has 11.1M monthly downloads and 520 GitHub stars. Version 2.1.3, first published in 2016.

It is showing limited recent maintenance under a permissive license, last released in Mar 2025.

It is used by 25 tracked packages, including cerbos, helm-mcp and prismal-ai.

Downloads
Day
334.5K
Week
2.5M
Month
11.1M
Stars
520
Forks
57
Issues
11
Version
2.1.3

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
30
Popularity
55
Adoption
70
Community
40
Provenance
0
How the maintenance status was determined
Last commit
463 days ago
Monthly downloads
11,108,674
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
11,108,674
Stars
520
Stars per 1k downloads
0.05
• 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
357,410
Month daily avg
370,289
Momentum
-3.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
BSD-3-Clause
• 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
463 days ago
Total releases
11
Releases/year
1.1
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
11,108,674
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
38
 
Issue Burden
21.2
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
28.1%
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 309.2K
Windows 571
macOS 418

Python Versions

3.12
52.8% 159.2K
3.11
38.1% 115.0K
3.13
4.3% 13.1K
3.14
2.5% 7.7K
3.10
2.2% 6.7K

Top Countries

1. US US
278.8K
2. IN IN
5.7K
3. BR BR
5.2K
4. DE DE
4.4K
5. SG SG
3.8K
6. GB GB
2.6K
7. JP JP
2.4K
8. NL NL
1.2K
9. AE AE
899
10. CA CA
673

Package Information

License
BSD-3-Clause
First Release
October 30, 2016
Last Release
1 year ago
Last Commit
1 year ago
Latest Version
2.1.3
Total Releases
11
Contributors
16
Open PRs
1
Archived
No
Author
Fabian Fuelling
Python Versions
3.8 3.9 3.10
Wheels
py2 py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links