No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
langchain-protocol has 50.5M monthly downloads and 628 GitHub stars. Version 0.0.18 supports Python <4.0.0,>=3.10.0, first published in 2026.
It is actively maintained under a permissive license, last released in Jun 2026.
It is built on top of typing-extensions. It is used by 6 tracked packages, including langchain-core, langgraph-sdk and langgraph-api.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
56
Adoption
70
Community
35
Provenance
0
How the maintenance status was determined
Last commit
19 days ago
Monthly downloads
50,524,069
•
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
50,524,069
Stars
628
Stars per 1k downloads
0.01
•
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
1,642,369
Month daily avg
1,684,136
Momentum
-2.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
<4.0.0,>=3.10.0
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
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
19 days ago
Total releases
11
Releases/year
49.0
•
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
50,524,069
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
56
Issue Burden
17.5
per 1k stars
Discussions
6.4
per 1k stars
Fork Ratio
34.6%
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
927.3K
Windows
30.1K
macOS
17.1K
Python Versions
3.12
39.8%
383.3K
3.11
27.3%
262.8K
3.13
13.1%
126.1K
3.10
10.3%
99.5K
3.14
9.5%
91.5K
Top Countries
1.
US
694.7K
US
2.
IN
29.7K
IN
3.
DE
29.2K
DE
4.
IE
23.9K
IE
5.
JP
20.2K
JP
6.
SG
13.9K
SG
7.
BR
12.0K
BR
8.
GB
11.8K
GB
9.
KR
11.5K
KR
10.
FR
11.4K
FR
Dependencies
1
- typing-extensions <5.0.0,>=4.13.0
Package Information
License
MIT
First Release
April 16, 2026
Last Release
2 weeks ago
Last Commit
2 weeks ago
Latest Version
0.0.18
Total Releases
11
Contributors
18
Open PRs
8
Archived
No
Python Versions
3
3.10
3.11
3.12
3.13
3.14
Wheels
py3
Tracking Since
April 19, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh