PyRank
sysid

sse-starlette

SSE plugin for Starlette
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

sse-starlette has 289.9M monthly downloads and 838 GitHub stars. Version 3.4.5 supports Python 3.10+, first published in 2020.

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

It is built on top of anyio and starlette. It is used by 669 tracked packages, including mcp, langgraph-api and openhands-ai.

Downloads
Day
9.7M
Week
70.8M
Month
289.9M
Stars
838
Forks
65
Issues
2
Version
3.4.5

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
59
Adoption
80
Community
40
Provenance
100
How the maintenance status was determined
Last commit
16 days ago
Monthly downloads
289,856,569
• 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
289,856,569
Stars
838
Stars per 1k downloads
0.00
• 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
10,111,702
Month daily avg
9,661,886
Momentum
+4.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=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
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
16 days ago
Total releases
74
Releases/year
11.6
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
30
Monthly downloads
289,856,569
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
39
 
Issue Burden
2.4
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
46.2%
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 6.4M
Windows 168.3K
macOS 114.8K

Python Versions

3.12
36.1% 2.4M
3.13
32.4% 2.2M
3.11
19.6% 1.3M
3.10
6.5% 431.1K
3.14
5.5% 363.9K

Top Countries

1. US US
5.2M
2. SG SG
484.8K
3. GB GB
162.1K
4. NL NL
114.6K
5. DE DE
91.1K
6. IN IN
88.6K
7. JP JP
58.6K
8. FI FI
51.8K
9. CN CN
46.4K
10. IE IE
45.2K

Package Information

License
BSD-3-Clause
First Release
February 21, 2020
Last Release
2 weeks ago
Last Commit
2 weeks ago
Latest Version
3.4.5
Total Releases
74
Contributors
30
Open PRs
1
Archived
No
Python Versions
3 3.10 3.11 3.12 3.13
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links