60
jacs
v0.10.2 GrowingJACS JSON AI Communication Standard
Apache-2.0 Edition 2024 MSRV 1.93
Quick Verdict
- ✓Actively maintained (updated 5d ago)
- !Pre-1.0: API may have breaking changes
- !Heavy dependency tree (83 direct deps)
- ✓Permissive license (Apache-2.0)
Security
Checking security advisories...
Downloads
17.8K
Dependents
90
Releases
40
Size
512KB
Deep Insights
📉
Download decline
290 downloads in the last 30 days, down 24% from the previous period. May indicate migration to alternatives.
🔬
Pre-1.0 for over a year
Despite being 2+ years old, jacs hasn't reached 1.0 yet. Expect potential API changes between versions.
📦
Heavy dependency tree
83 direct dependencies. Consider the impact on compile times and supply chain complexity.
🌟
Used by top crates
Notable dependents include jacs-binding-core, jacs-mcp, haiai, hai-mcp, jacs-cli. When high-quality crates choose jacs, it's a strong quality signal.
Health Breakdown
Maintenance 19/25
Recency, release consistency, active ratio
Quality 13/25
Yanked ratio, deps, size, maturity, features
Community 11/20
Reverse deps, ownership, ecosystem
Popularity 5/15
Downloads, momentum, growth trend
Documentation 12/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg
Top Dependents
Most downloaded crates that depend on jacs
Version Adoption
v0.9.12
27%
v0.9.13
25%
v0.9.14
19%
v0.10.0
17%
v0.9.11
12%
Release Timeline
10 releasessince 2026
J
F
M
A
M
J
J
A
S
O
N
D
2026
10
LessMore
Feature Flags
default =["sqlite"]
a2asqlite*keychainpq-testss3-testsotlp-logsagreementsattestationsqlx-sqliteotlp-metricsotlp-tracingkeychain-tests
README
Loading README...
Maintainers
Dependencies
83
direct dependencies
Dependents
90
crates depend on jacs