Decision Workspace
npcrs vs npcsh vs harness-bash
Side-by-side comparison of Rust crates
52
npcrs
experimentalv0.1.23
Rust core for the NPC system — agent kernel, jinx executor, LLM client
43
npcsh
experimentalv2.1.5
The composable multi-agent shell
50
harness-bash
experimentalv0.2.1
Bash tool for AI agent harnesses — autonomous shell execution with tokio process management, cwd-carry, inactivity timeout, head+tail spill, background jobs
Core Metrics
| npcrs | npcsh | harness-bash | |
|---|---|---|---|
| Health Score | 52 | 43 | 50 |
| Total Downloads | 998 | 636 | 2.8K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 40 | 0 | 7 |
| Releases | 24 | 40 | 4 |
| Last Updated | 16d ago | today | 27d ago |
| Age | 3m | 2m | 2m |
Health Breakdown
npcrs
Maintenance
18
Quality
10
Community
10
Popularity
4
Documentation
10
npcsh
Maintenance
13
Quality
12
Community
5
Popularity
3
Documentation
10
harness-bash
Maintenance
11
Quality
12
Community
8
Popularity
4
Documentation
15
Technical Details
| npcrs | npcsh | harness-bash | |
|---|---|---|---|
| Version | 0.1.23 | 2.1.5 | 0.2.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 38 | 19 | 8 |
| Crate Size | 1.2MB | 100KB | 28KB |
| Features | 4 | 0 | 0 |
| Yanked % | 0.0% | 2.5% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | — | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •npcrs leads with a health score of 52/100, but none of the options score above 80.
- •harness-bash has the most downloads (2.8K), suggesting wider adoption.
- •npcrs, harness-bash are pre-1.0 — API may change.