Decision Workspace
json-tools vs vtcode-utility-tool-specs vs jmap-tools
Side-by-side comparison of Rust crates
49
json-tools
growingv1.1.3
A zero-copy json-lexer, filters and serializer.
62
vtcode-utility-tool-specs
experimentalv0.131.1
Passive JSON schemas for VT Code utility, file, scheduling, and collaboration tool surfaces
58
jmap-tools
experimentalv0.1.6
JMAP object parser with JSON Pointer querying and patching support
Core Metrics
| json-tools | vtcode-utility-tool-specs | jmap-tools | |
|---|---|---|---|
| Health Score | 49 | 62 | 58 |
| Total Downloads | 36.4K | 2.3K | 18.3K |
| 30d Downloads | 0 | 1.4K | 3.3K |
| Dependents | 125 | 77 | 9 |
| Releases | 11 | 84 | 7 |
| Last Updated | 691d ago | 1d ago | today |
| Age | 11y 1m | 2m | 10m |
Health Breakdown
json-tools
Maintenance
3
Quality
20
Community
9
Popularity
5
Documentation
12
vtcode-utility-tool-specs
Maintenance
16
Quality
16
Community
11
Popularity
4
Documentation
15
jmap-tools
Maintenance
20
Quality
15
Community
8
Popularity
5
Documentation
10
Technical Details
| json-tools | vtcode-utility-tool-specs | jmap-tools | |
|---|---|---|---|
| Version | 1.1.3 | 0.131.1 | 0.1.6 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT | Apache-2.0 OR MIT |
| Dependencies | 1 | 3 | 4 |
| Crate Size | 20KB | 18KB | 27KB |
| Features | 0 | 2 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2024 |
| MSRV | — | 1.88 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •vtcode-utility-tool-specs leads with a health score of 62/100, but none of the options score above 80.
- •json-tools has the most downloads (36.4K), suggesting wider adoption.
- •json-tools is depended on by 125 crates — strongest ecosystem trust.
- •⚠ json-tools has not been updated in over a year.
- •vtcode-utility-tool-specs, jmap-tools are pre-1.0 — API may change.