Decision Workspace
tool-call-budgets vs llm-cost-cap vs polaris_tools
Side-by-side comparison of Rust crates
43
tool-call-budgets
experimentalv0.1.0
Per-tool call count caps for AI agents. Stops runaway tool loops before they hit the invoice.
44
llm-cost-cap
experimentalv0.1.0
Pre-flight USD cost gate for LLM calls. Estimate input plus output cost from token counts and reject calls that would exceed a configured cap.
62
polaris_tools
experimentalv0.5.2
Tool framework for Polaris agents
Core Metrics
| tool-call-budgets | llm-cost-cap | polaris_tools | |
|---|---|---|---|
| Health Score | 43 | 44 | 62 |
| Total Downloads | 17 | 18 | 839 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 53 |
| Releases | 1 | 1 | 16 |
| Last Updated | 50d ago | 50d ago | 6d ago |
| Age | 1m | 1m | 3m |
Health Breakdown
tool-call-budgets
Maintenance
10
Quality
16
Community
6
Popularity
1
Documentation
10
llm-cost-cap
Maintenance
10
Quality
16
Community
6
Popularity
2
Documentation
10
polaris_tools
Maintenance
19
Quality
14
Community
11
Popularity
3
Documentation
15
Technical Details
| tool-call-budgets | llm-cost-cap | polaris_tools | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.0 | 0.5.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 2 | 2 | 13 |
| Crate Size | 10KB | 9KB | 39KB |
| Features | 2 | 2 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | 1.93.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •polaris_tools leads with a health score of 62/100, but none of the options score above 80.