Decision Workspace
tokmd-tool-schema vs umf vs onwards
Side-by-side comparison of Rust crates
54
tokmd-tool-schema
experimentalv1.8.1
Generate AI tool schemas from clap command trees.
64
umf
experimentalv0.2.4
Universal Message Format (UMF) - Provider-agnostic message representation for LLM interactions with ChatML formatting, internal hub model, and MCP support
60
onwards
experimentalv0.22.0
A flexible LLM proxy library
Core Metrics
| tokmd-tool-schema | umf | onwards | |
|---|---|---|---|
| Health Score | 54 | 64 | 60 |
| Total Downloads | 221 | 608 | 10.2K |
| 30d Downloads | 187 | 130 | 619 |
| Dependents | 9 | 212 | 151 |
| Releases | 6 | 10 | 44 |
| Last Updated | 7d ago | 16d ago | 4d ago |
| Age | 1m | 4m | 7m |
Health Breakdown
tokmd-tool-schema
Maintenance
14
Quality
16
Community
8
Popularity
3
Documentation
13
umf
Maintenance
18
Quality
16
Community
12
Popularity
3
Documentation
15
onwards
Maintenance
19
Quality
9
Community
12
Popularity
5
Documentation
15
Technical Details
| tokmd-tool-schema | umf | onwards | |
|---|---|---|---|
| Version | 1.8.1 | 0.2.4 | 0.22.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 5 | 6 | 35 |
| Crate Size | 41KB | 36KB | 176KB |
| Features | 0 | 7 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.70 | 1.88.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •umf leads with a health score of 64/100, but none of the options score above 80.
- •onwards has the most downloads (10.2K), suggesting wider adoption.
- •umf is depended on by 212 crates — strongest ecosystem trust.
- •umf, onwards are pre-1.0 — API may change.