No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
openapi-schema-validator has 27.9M monthly downloads and 125 GitHub stars. Version 0.9.0 supports Python <4.0.0,>=3.10.0, first published in 2020.
It is stably maintained under a permissive license, last released in Apr 2026.
It is built on top of jsonschema, jsonschema-specifications and pydantic. It is used by 24 tracked packages, including openapi-spec-validator, openapi-core and ai-parrot.
GitHub topics include openapi, openapi3 and swagger.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
45
Adoption
70
Community
60
Provenance
100
How the maintenance status was determined
Last commit
64 days ago
Monthly downloads
27,925,755
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
27,925,755
Stars
125
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
863,678
Month daily avg
930,858
Momentum
-7.2%
((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
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
70 days ago
Total releases
36
Releases/year
5.7
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
27,925,755
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
73
Issue Burden
8.0
per 1k stars
Discussions
24.0
per 1k stars
Fork Ratio
48.6%
contrib / forks
Stale Release
No
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
469.7K
Windows
2.7K
macOS
2.2K
Python Versions
3.13
28.2%
131.5K
3.12
23.6%
109.8K
3.10
19.2%
89.3K
3.11
18.4%
85.5K
3.14
10.6%
49.5K
Top Countries
1.
US
345.2K
US
2.
GB
52.6K
GB
3.
SG
36.0K
SG
4.
IE
11.1K
IE
5.
DE
8.0K
DE
6.
NL
4.4K
NL
7.
JP
3.9K
JP
8.
SE
2.4K
SE
9.
CA
1.7K
CA
10.
KR
1.5K
KR
Dependencies
6
- jsonschema <5.0.0,>=4.19.1
- jsonschema-specifications >=2024.10.1
- pydantic <3.0.0,>=2.0.0
- pydantic-settings <3.0.0,>=2.0.0
- referencing <0.38.0,>=0.37.0
- rfc3339-validator
1 optional dependencies
- regress[ecma-regex]
Used By
24
- openapi-spec-validator
- openapi-core
- ai-parrot
- exordos
- exordos-core
- kubernator
- nrobo
- aiverify-test-engine
- seclab-taskflow-agent
- forbids
- unpage
- imbi
- iflow-mcp-matsjfunke-paperclip
- ogctests
- vmware-aria-operations-integration-sdk
- genesis-core
- pds-doi-service
- a-piece-of-shit
- iflow-mcp-uyuni-project-mcp-server-uyuni
- mhhs-validate
- simple-automated-testing
- pipctl
- figma2code
- tlrx-test-engine
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
BSD-3-Clause
First Release
March 5, 2020
Last Release
2 months ago
Last Commit
2 months ago
Latest Version
0.9.0
Total Releases
36
Contributors
18
Open PRs
13
Archived
No
Author
Artur Maciag
Python Versions
3
3.10
3.11
3.12
3.13
3.14
Wheels
py2
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh