No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
jsonschema has 556.3M monthly downloads and 5K GitHub stars. Version 4.26.0 supports Python 3.10+, first published in 2012.
It is actively maintained under a permissive license, last released in Jan 2026.
It is built on top of attrs, jsonschema-specifications and referencing. It is used by 5,368 tracked packages, including litellm, mcp and dbt-core.
GitHub topics include json-schema, json and validation.
Package Insights
Package Risks
- No releases in 166 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
79
Adoption
70
Community
75
Provenance
100
How the maintenance status was determined
Last commit
13 days ago
Monthly downloads
556,269,812
•
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
556,269,812
Stars
4,956
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
17,813,632
Month daily avg
18,542,327
Momentum
-3.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python 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
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
180 days ago
Total releases
109
Releases/year
7.5
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
106
Monthly downloads
556,269,812
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
85
Issue Burden
9.3
per 1k stars
Discussions
14.3
per 1k stars
Fork Ratio
17.0%
contrib / forks
Stale Release
166d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
11.9M
Windows
280.7K
macOS
155.8K
Python Versions
3.12
35.6%
4.0M
3.11
23.0%
2.6M
3.10
18.8%
2.1M
3.13
17.5%
2.0M
3.14
5.2%
585.6K
Top Countries
1.
US
9.0M
US
2.
IN
559.3K
IN
3.
SG
449.9K
SG
4.
IE
367.4K
IE
5.
GB
295.3K
GB
6.
NL
294.4K
NL
7.
DE
273.5K
DE
8.
JP
130.1K
JP
9.
CA
107.7K
CA
10.
AU
77.6K
AU
Dependencies
4
- attrs >=22.2.0
- jsonschema-specifications >=2023.03.6
- referencing >=0.28.4
- rpds-py >=0.25.0
17 optional dependencies
- fqdn[format-nongpl]
- fqdn[format]
- idna[format]
- idna[format-nongpl]
- isoduration[format-nongpl]
- isoduration[format]
- jsonpointer[format-nongpl]
- jsonpointer[format]
- rfc3339-validator[format-nongpl]
- rfc3339-validator[format]
- rfc3986-validator[format-nongpl]
- rfc3987[format]
- rfc3987-syntax[format-nongpl]
- uri-template[format]
- uri-template[format-nongpl]
- webcolors[format]
- webcolors[format-nongpl]
Used By
5368
- litellm
- mcp
- dbt-core
- nbformat
- dbt-common
- ray
- altair
- aws-sam-translator
- openapi-spec-validator
- jupyter-events
- jupyterlab-server
- semgrep
- strands-agents
- openapi-schema-validator
- great-expectations
- dbt-semantic-interfaces
- checkov
- google-adk
- chromadb
- prefect
- drf-spectacular
- connexion
- singer-sdk
- sagemaker-core
- braintrust
- apache-airflow-core
- mistral-common
- apache-airflow-task-sdk
- inspect-ai
- vllm
- ansible-compat
- docling-core
- autoevals
- openapi-core
- airbyte-cdk
- ansible-lint
- acryl-datahub
- azure-ai-ml
- check-jsonschema
- rembg
- aws-sam-cli
- dagster-dg-core
- hypothesis-jsonschema
- arize-phoenix
- mistral-vibe
- molecule
- oras
- outlines
- c7n
- jupyter-server-ydoc
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
MIT
First Release
January 2, 2012
Last Release
6 months ago
Last Commit
2 weeks ago
Latest Version
4.26.0
Total Releases
109
Contributors
106
Open PRs
8
Archived
No
Python Versions
3.10
3.11
3.12
3.13
3.14
Wheels
py2
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh