Decision Workspace
breaker-machines vs hmac-circuit-breaker vs noos
Side-by-side comparison of Rust crates
51
breaker-machines
experimentalv0.7.6
High-performance circuit breaker with fallback support and rate-based thresholds
52
hmac-circuit-breaker
experimentalv0.3.0
HMAC-protected circuit breaker with fail-open semantics. Persists circuit state to disk and verifies integrity with HMAC-SHA256 on every reload to prevent state-file tampering from inducing self-DoS.
50
noos
experimentalv0.4.1
Reliability layer for Rust LLM agents: scope drift, cost circuit breaks, and procedural correction memory as event-driven Decisions.
Core Metrics
| breaker-machines | hmac-circuit-breaker | noos | |
|---|---|---|---|
| Health Score | 51 | 52 | 50 |
| Total Downloads | 2.4K | 124 | 87 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 86 | 0 | 0 |
| Releases | 9 | 7 | 7 |
| Last Updated | 64d ago | 87d ago | 37d ago |
| Age | 7m | 2m | 1m |
Health Breakdown
breaker-machines
Maintenance
16
Quality
11
Community
10
Popularity
4
Documentation
10
hmac-circuit-breaker
Maintenance
14
Quality
14
Community
6
Popularity
3
Documentation
15
noos
Maintenance
17
Quality
12
Community
6
Popularity
2
Documentation
13
Technical Details
| breaker-machines | hmac-circuit-breaker | noos | |
|---|---|---|---|
| Version | 0.7.6 | 0.3.0 | 0.4.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 2 | 15 | 16 |
| Crate Size | 25KB | 40KB | 385KB |
| Features | 1 | 3 | 2 |
| Yanked % | 11.1% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.75 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •hmac-circuit-breaker leads with a health score of 52/100, but none of the options score above 80.
- •breaker-machines has the most downloads (2.4K), suggesting wider adoption.