Decision Workspace
agent-context-builder vs cel-brief vs prompty
Side-by-side comparison of Rust crates
41
agent-context-builder
experimentalv0.1.0
Compose LLM system prompts from named sections with ordering and conditionals
50
cel-brief
experimentalv0.2.0
Composable prompt briefing for AI agents: gather sources, enforce token budgets, apply governance, and emit receipts.
62
prompty
experimentalv2.0.0-beta.3
Prompty is an asset class and format for LLM prompts
Core Metrics
| agent-context-builder | cel-brief | prompty | |
|---|---|---|---|
| Health Score | 41 | 50 | 62 |
| Total Downloads | 15 | 127 | 390 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 21 |
| Releases | 1 | 8 | 8 |
| Last Updated | 49d ago | 18d ago | 13d ago |
| Age | 1m | 1m | 3m |
Health Breakdown
agent-context-builder
Maintenance
10
Quality
15
Community
5
Popularity
1
Documentation
10
cel-brief
Maintenance
12
Quality
15
Community
5
Popularity
3
Documentation
15
prompty
Maintenance
19
Quality
15
Community
10
Popularity
3
Documentation
15
Technical Details
| agent-context-builder | cel-brief | prompty | |
|---|---|---|---|
| Version | 0.1.0 | 0.2.0 | 2.0.0-beta.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | Apache-2.0 | MIT |
| Dependencies | 0 | 10 | 17 |
| Crate Size | 3KB | 58KB | 179KB |
| Features | 0 | 5 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.76 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •prompty leads with a health score of 62/100, but none of the options score above 80.
- •agent-context-builder, cel-brief are pre-1.0 — API may change.