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jsonschema

v0.46.5 Growing

JSON schema validaton library

MIT Edition 2021 MSRV 1.83.0
Web programming #validation#jsonschema

Quick Verdict

  • โœ“Actively maintained (updated 12d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (9.7K crates depend on it)
  • !Heavy dependency tree (33 direct deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
64.7M
Dependents
9.7K
Releases
99
Size
239KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

3.6M downloads in the last 30 days (119.7K/day), up 26% from the previous period.

๐Ÿ”—
Widely adopted

9.7K crates depend on jsonschema. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

jsonschema has only 1 owner despite 9.7K 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

33 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 18/25

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
127K/day avg-38%
0100K200K300K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.45.0
39%
v0.45.1
19%
v0.46.4
16%
v0.44.1
14%
v0.46.5
12%

Release Timeline

10 releasessince 2026
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Feature Flags

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

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

README

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Maintainers

Dependencies
33
direct dependencies
Dependents
9.7K
crates depend on jsonschema

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