Decision Workspace
sigil-protocol vs hanzo-mcp-client vs oatf
Side-by-side comparison of Rust crates
49
sigil-protocol
experimentalv0.1.5
SIGIL — Sovereign Identity-Gated Interaction Layer. An open protocol for securing AI agent-to-tool interactions.
54
hanzo-mcp-client
experimentalv0.6.74
Async MCP (Model Context Protocol) client for Hanzo AI agents
53
oatf
experimentalv0.4.0
Rust SDK for the Open Agent Threat Format (OATF)
Core Metrics
| sigil-protocol | hanzo-mcp-client | oatf | |
|---|---|---|---|
| Health Score | 49 | 54 | 53 |
| Total Downloads | 120 | 117 | 678 |
| 30d Downloads | 37 | 37 | 664 |
| Dependents | 0 | 3 | 1 |
| Releases | 6 | 3 | 4 |
| Last Updated | 34d ago | 18d ago | 4d ago |
| Age | 1m | 3m | 1m |
Health Breakdown
sigil-protocol
Maintenance
17
Quality
13
Community
6
Popularity
2
Documentation
11
hanzo-mcp-client
Maintenance
18
Quality
13
Community
8
Popularity
2
Documentation
13
oatf
Maintenance
14
Quality
14
Community
7
Popularity
3
Documentation
15
Technical Details
| sigil-protocol | hanzo-mcp-client | oatf | |
|---|---|---|---|
| Version | 0.1.5 | 0.6.74 | 0.4.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | EUPL-1.2 | MIT | Apache-2.0 |
| Dependencies | 14 | 7 | 10 |
| Crate Size | 61KB | 14KB | 91KB |
| Features | 1 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | — | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •hanzo-mcp-client leads with a health score of 54/100, but none of the options score above 80.
- •oatf has the most downloads (678), suggesting wider adoption.