Decision Workspace
harness-webfetch vs adk-core vs meerkat-client
Side-by-side comparison of Rust crates
50
harness-webfetch
experimentalv0.1.1
WebFetch tool for AI agent harnesses — HTTP GET/POST with SSRF defense, readability+markdown extraction, redirect-chain reporting, size caps, and per-session cache
69
adk-core
growingv1.0.0
Core traits and types for Rust Agent Development Kit (ADK-Rust) agents, tools, sessions, and events
69
meerkat-client
experimentalv0.7.31
Shim re-export crate — delegates to meerkat-llm-core and per-provider crates (B2 split).
Core Metrics
| harness-webfetch | adk-core | meerkat-client | |
|---|---|---|---|
| Health Score | 50 | 69 | 69 |
| Total Downloads | 2.7K | 26.0K | 10.4K |
| 30d Downloads | 0 | 7.1K | 4.1K |
| Dependents | 7 | 580 | 734 |
| Releases | 2 | 27 | 89 |
| Last Updated | 27d ago | 36d ago | today |
| Age | 2m | 7m | 5m |
Health Breakdown
harness-webfetch
Maintenance
12
Quality
11
Community
8
Popularity
4
Documentation
15
adk-core
Maintenance
18
Quality
17
Community
14
Popularity
5
Documentation
15
meerkat-client
Maintenance
19
Quality
16
Community
14
Popularity
5
Documentation
15
Technical Details
| harness-webfetch | adk-core | meerkat-client | |
|---|---|---|---|
| Version | 0.1.1 | 1.0.0 | 0.7.31 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 18 | 14 | 14 |
| Crate Size | 41KB | 93KB | 35KB |
| Features | 0 | 2 | 12 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.75 | 1.94.0 | 1.94.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •adk-core leads with a health score of 69/100, but none of the options score above 80.
- •meerkat-client is depended on by 734 crates — strongest ecosystem trust.
- •harness-webfetch, meerkat-client are pre-1.0 — API may change.