Decision Workspace
jacs-mcp vs skrills-subagents vs systemprompt-identifiers
Side-by-side comparison of Rust crates
53
jacs-mcp
experimentalv0.9.12
MCP server for JACS: data provenance and cryptographic signing of agent state
55
skrills-subagents
experimentalv0.7.1
Subagent MCP tools for the skrills server with pluggable backends.
54
systemprompt-identifiers
experimentalv0.1.18
Core identifier types for systemprompt.io OS
Core Metrics
| jacs-mcp | skrills-subagents | systemprompt-identifiers | |
|---|---|---|---|
| Health Score | 53 | 55 | 54 |
| Total Downloads | 564 | 473 | 1.5K |
| 30d Downloads | 564 | 124 | 519 |
| Dependents | 23 | 18 | 792 |
| Releases | 11 | 21 | 33 |
| Last Updated | 2d ago | 2d ago | today |
| Age | 21d | 3m | 2m |
Health Breakdown
jacs-mcp
Maintenance
14
Quality
14
Community
10
Popularity
3
Documentation
12
skrills-subagents
Maintenance
19
Quality
12
Community
8
Popularity
3
Documentation
13
systemprompt-identifiers
Maintenance
13
Quality
15
Community
14
Popularity
4
Documentation
8
Technical Details
| jacs-mcp | skrills-subagents | systemprompt-identifiers | |
|---|---|---|---|
| Version | 0.9.12 | 0.7.1 | 0.1.18 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | MIT | BUSL-1.1 |
| Dependencies | 16 | 20 | 7 |
| Crate Size | 110KB | 71KB | 32KB |
| Features | 16 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.93 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •skrills-subagents leads with a health score of 55/100, but none of the options score above 80.
- •systemprompt-identifiers has the most downloads (1.5K), suggesting wider adoption.
- •systemprompt-identifiers is depended on by 792 crates — strongest ecosystem trust.