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jsonschema

v0.47.0 Growing

JSON schema validaton library

MIT Edition 2021 MSRV 1.85.0
Web programming #validation#jsonschema

Quick Verdict

  • โœ“Actively maintained (updated 6d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (14.6K crates depend on it)
  • !Heavy dependency tree (34 direct deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
72.6M
Dependents
14.6K
Releases
105
Size
278KB

Deep Insights

๐Ÿ“Š
Steady growth

4.9M downloads in the last 30 days (162.2K/day), up 9% from the previous period.

๐Ÿ›๏ธ
Foundational crate

14.6K crates depend on jsonschema โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

โš ๏ธ
Single maintainer risk

jsonschema has only 1 owner despite 14.6K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, jsonschema hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

34 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include schemars, serde_with, primitive-types, async-nats, c2pa. When high-quality crates choose jsonschema, it's a strong quality signal.

Health Breakdown

Maintenance 19/25

Recency, release consistency, active ratio

Quality 12/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
129K/day avg-16%
050K100K150K200K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.46.5
64%
v0.46.4
17%
v0.46.6
8%
v0.46.2
8%
v0.46.10
3%

Release Timeline

10 releasessince 2026
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Feature Flags

default =["resolve-http", "resolve-file", "tls-aws-lc-rs"]

macrostls-ringresolve-file*resolve-http*resolve-asynctls-aws-lc-rs*arbitrary-precision

README

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Maintainers

Dependencies
34
direct dependencies
Dependents
14.6K
crates depend on jsonschema

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