Decision Workspace
spn-cli vs nb-mcp-server vs embacle
Side-by-side comparison of Rust crates
51
spn-cli
experimentalv0.17.0
The Agentic AI Toolkit - unified CLI for models, secrets, MCP servers, workflows, and AI agents
54
nb-mcp-server
experimentalv0.10.0
MCP server wrapping the nb CLI for LLM-friendly note-taking
53
embacle
experimentalv0.15.13
LLM runner library — wraps 12 AI CLI tools as pluggable LLM providers with agent loop, guardrails, and cost tracking
Core Metrics
| spn-cli | nb-mcp-server | embacle | |
|---|---|---|---|
| Health Score | 51 | 54 | 53 |
| Total Downloads | 269 | 170 | 660 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 67 |
| Releases | 16 | 11 | 28 |
| Last Updated | 75d ago | 14d ago | 6d ago |
| Age | 2m | 3m | 2m |
Health Breakdown
spn-cli
Maintenance
15
Quality
12
Community
6
Popularity
3
Documentation
15
nb-mcp-server
Maintenance
18
Quality
12
Community
6
Popularity
3
Documentation
15
embacle
Maintenance
13
Quality
13
Community
11
Popularity
3
Documentation
13
Technical Details
| spn-cli | nb-mcp-server | embacle | |
|---|---|---|---|
| Version | 0.17.0 | 0.10.0 | 0.15.13 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | AGPL-3.0-or-later | Apache-2.0 | Apache-2.0 |
| Dependencies | 55 | 11 | 19 |
| Crate Size | 392KB | 30KB | 187KB |
| Features | 6 | 0 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.88 | 1.88 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •nb-mcp-server leads with a health score of 54/100, but none of the options score above 80.
- •embacle has the most downloads (660), suggesting wider adoption.