Decision Workspace
nb-mcp-server vs embacle vs spn-cli
Side-by-side comparison of Rust crates
46
nb-mcp-server
experimentalv0.7.0
MCP server wrapping the nb CLI for LLM-friendly note-taking
56
embacle
experimentalv0.14.3
LLM runner library — wraps 12 AI CLI tools as pluggable LLM providers with agent loop, guardrails, and cost tracking
54
spn-cli
experimentalv0.17.0
The Agentic AI Toolkit - unified CLI for models, secrets, MCP servers, workflows, and AI agents
Core Metrics
| nb-mcp-server | embacle | spn-cli | |
|---|---|---|---|
| Health Score | 46 | 56 | 54 |
| Total Downloads | 121 | 448 | 264 |
| 30d Downloads | 13 | 449 | 264 |
| Dependents | 0 | 59 | 0 |
| Releases | 8 | 24 | 16 |
| Last Updated | 31d ago | today | 16d ago |
| Age | 1m | 27d | 23d |
Health Breakdown
nb-mcp-server
Maintenance
14
Quality
12
Community
6
Popularity
2
Documentation
12
embacle
Maintenance
16
Quality
13
Community
11
Popularity
3
Documentation
13
spn-cli
Maintenance
18
Quality
12
Community
6
Popularity
3
Documentation
15
Technical Details
| nb-mcp-server | embacle | spn-cli | |
|---|---|---|---|
| Version | 0.7.0 | 0.14.3 | 0.17.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | Apache-2.0 | AGPL-3.0-or-later |
| Dependencies | 11 | 18 | 55 |
| Crate Size | 61KB | 161KB | 392KB |
| Features | 0 | 6 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | — | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •embacle leads with a health score of 56/100, but none of the options score above 80.