Decision Workspace
woollama-server vs woollama-engine vs umf
Side-by-side comparison of Rust crates
42
woollama-server
experimentalv0.7.0
woollamad — the woollama router daemon (Rust): an OpenAI-compatible + MCP router over Ollama, cloud models, and Claude Code, built on axum + woollama-engine.
45
woollama-engine
experimentalv0.7.0
The pure-Rust woollama engine (no PyO3): inferencer registry, complete/stream, the recipe<->tool orchestrate loop. Consumed by the woollama-core wheel and the woollamad daemon (woollama-server crate).
63
umf
experimentalv0.2.6
Universal Message Format (UMF) - Provider-agnostic message representation for LLM interactions with ChatML formatting, internal hub model, and MCP support
Core Metrics
| woollama-server | woollama-engine | umf | |
|---|---|---|---|
| Health Score | 42 | 45 | 63 |
| Total Downloads | 72 | 118 | 1.1K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 4 | 343 |
| Releases | 4 | 5 | 12 |
| Last Updated | 12d ago | 12d ago | 82d ago |
| Age | 1m | 1m | 8m |
Health Breakdown
woollama-server
Maintenance
13
Quality
11
Community
6
Popularity
2
Documentation
10
woollama-engine
Maintenance
12
Quality
13
Community
8
Popularity
2
Documentation
10
umf
Maintenance
15
Quality
16
Community
13
Popularity
4
Documentation
15
Technical Details
| woollama-server | woollama-engine | umf | |
|---|---|---|---|
| Version | 0.7.0 | 0.7.0 | 0.2.6 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 18 | 7 | 6 |
| Crate Size | 112KB | 23KB | 36KB |
| Features | 1 | 0 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.70 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •umf leads with a health score of 63/100, but none of the options score above 80.
- •umf is depended on by 343 crates — strongest ecosystem trust.