Decision Workspace
auths-mcp-server vs sigil-protocol vs agentpin
Side-by-side comparison of Rust crates
44
auths-mcp-server
experimentalv0.0.1-rc.9
Reference MCP tool server with Auths-backed JWT authorization
49
sigil-protocol
experimentalv0.1.5
SIGIL — Sovereign Identity-Gated Interaction Layer. An open protocol for securing AI agent-to-tool interactions.
48
agentpin
experimentalv0.2.0
Domain-anchored cryptographic identity protocol for AI agents
Core Metrics
| auths-mcp-server | sigil-protocol | agentpin | |
|---|---|---|---|
| Health Score | 44 | 49 | 48 |
| Total Downloads | 27 | 120 | 423 |
| 30d Downloads | 27 | 37 | 254 |
| Dependents | 0 | 0 | 12 |
| Releases | 2 | 6 | 2 |
| Last Updated | 13d ago | 34d ago | 45d ago |
| Age | 19d | 1m | 1m |
Health Breakdown
auths-mcp-server
Maintenance
13
Quality
11
Community
6
Popularity
2
Documentation
12
sigil-protocol
Maintenance
17
Quality
13
Community
6
Popularity
2
Documentation
11
agentpin
Maintenance
11
Quality
13
Community
9
Popularity
3
Documentation
12
Technical Details
| auths-mcp-server | sigil-protocol | agentpin | |
|---|---|---|---|
| Version | 0.0.1-rc.9 | 0.1.5 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | EUPL-1.2 | MIT |
| Dependencies | 21 | 14 | 16 |
| Crate Size | 36KB | 61KB | 39KB |
| Features | 0 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.93 | — | 1.70 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •sigil-protocol leads with a health score of 49/100, but none of the options score above 80.
- •agentpin has the most downloads (423), suggesting wider adoption.