Decision Workspace
harnesscli vs ralph vs is-ai-agent
Side-by-side comparison of Rust crates
50
harnesscli
experimentalv0.1.6
Unified CLI to run Claude Code, OpenCode, Codex, or Cursor from a single interface
48
ralph
experimentalv0.1.5
A CLI agent harness for running AI coding agents (Codex, Claude, Pi, Gemini)
52
is-ai-agent
experimentalv0.2.1
Detect whether a CLI is being invoked by an AI coding agent, and identify which one.
Core Metrics
| harnesscli | ralph | is-ai-agent | |
|---|---|---|---|
| Health Score | 50 | 48 | 52 |
| Total Downloads | 97 | 179 | 521 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 4 |
| Releases | 5 | 6 | 3 |
| Last Updated | 104d ago | 137d ago | 21d ago |
| Age | 3m | 4m | 21d |
Health Breakdown
harnesscli
Maintenance
19
Quality
11
Community
6
Popularity
2
Documentation
12
ralph
Maintenance
18
Quality
11
Community
6
Popularity
3
Documentation
10
is-ai-agent
Maintenance
13
Quality
15
Community
8
Popularity
3
Documentation
13
Technical Details
| harnesscli | ralph | is-ai-agent | |
|---|---|---|---|
| Version | 0.1.6 | 0.1.5 | 0.2.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 20 | 18 | 0 |
| Crate Size | 72KB | 55KB | 11KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.80 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •is-ai-agent leads with a health score of 52/100, but none of the options score above 80.