Decision Workspace
yokai vs pmcp vs llm_models_spider
Side-by-side comparison of Rust crates
46
yokai
experimentalv0.0.0
A fast, lightweight, provider-agnostic SDK for AI models
72
pmcp
growingv2.15.0
High-quality Rust SDK for Model Context Protocol (MCP) with full TypeScript SDK compatibility
69
llm_models_spider
experimentalv0.1.95
Auto-updated registry of LLM model capabilities (vision, audio, etc.)
Core Metrics
| yokai | pmcp | llm_models_spider | |
|---|---|---|---|
| Health Score | 46 | 72 | 69 |
| Total Downloads | 9 | 74.4K | 75.9K |
| 30d Downloads | 0 | 2.9K | 14.1K |
| Dependents | 0 | 897 | 810 |
| Releases | 1 | 74 | 96 |
| Last Updated | today | 3d ago | 69d ago |
| Age | 1d | 11m | 5m |
Health Breakdown
yokai
Maintenance
13
Quality
15
Community
5
Popularity
1
Documentation
12
pmcp
Maintenance
19
Quality
16
Community
16
Popularity
6
Documentation
15
llm_models_spider
Maintenance
21
Quality
15
Community
14
Popularity
6
Documentation
13
Technical Details
| yokai | pmcp | llm_models_spider | |
|---|---|---|---|
| Version | 0.0.0 | 2.15.0 | 0.1.95 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 0 | 78 | 7 |
| Crate Size | 2KB | 1.2MB | 59KB |
| Features | 0 | 29 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.96 | 1.91.0 | — |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •pmcp leads with a health score of 72/100, but none of the options score above 80.
- •llm_models_spider has the most downloads (75.9K), suggesting wider adoption.
- •pmcp is depended on by 897 crates — strongest ecosystem trust.
- •yokai, llm_models_spider are pre-1.0 — API may change.