Decision Workspace
evo_framework vs pulseengine-mcp-protocol vs polaris-ai
Side-by-side comparison of Rust crates
52
evo_framework
growingv2025.2.51300
Evo(lution) framework: A powerful framework designed for ai
62
pulseengine-mcp-protocol
growingv0.17.1
[DEPRECATED] Use rmcp instead. MCP protocol types for PulseEngine.
61
polaris-ai
experimentalv0.5.2
A unified agent runtime where agent patterns are first-class, composable, and optimizable abstractions.
Core Metrics
| evo_framework | pulseengine-mcp-protocol | polaris-ai | |
|---|---|---|---|
| Health Score | 52 | 62 | 61 |
| Total Downloads | 7.1K | 13.4K | 633 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 200 | 7 |
| Releases | 10 | 28 | 21 |
| Last Updated | 523d ago | 106d ago | 6d ago |
| Age | 1y 6m | 1y | 5m |
Health Breakdown
evo_framework
Maintenance
9
Quality
21
Community
6
Popularity
5
Documentation
11
pulseengine-mcp-protocol
Maintenance
14
Quality
16
Community
12
Popularity
5
Documentation
15
polaris-ai
Maintenance
19
Quality
16
Community
8
Popularity
3
Documentation
15
Technical Details
| evo_framework | pulseengine-mcp-protocol | polaris-ai | |
|---|---|---|---|
| Version | 2025.2.51300 | 0.17.1 | 0.5.2 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | non-standard | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 0 | 0 | 2 |
| Crate Size | 8KB | 38KB | 175KB |
| Features | 1 | 0 | 11 |
| Yanked % | 0.0% | 0.0% | 4.8% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.89 | 1.93.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •pulseengine-mcp-protocol leads with a health score of 62/100, but none of the options score above 80.
- •pulseengine-mcp-protocol is depended on by 200 crates — strongest ecosystem trust.
- •⚠ evo_framework has not been updated in over a year.
- •pulseengine-mcp-protocol, polaris-ai are pre-1.0 — API may change.