Decision Workspace
tsafe-mcp vs mcp-credentials-vault vs kovra
Side-by-side comparison of Rust crates
51
tsafe-mcp
experimentalv2.0.1
Bound-contract MCP server for tsafe — run policy-scoped commands without exposing secret values.
51
mcp-credentials-vault
experimentalv1.1.0
Credentials Vault MCP server for ADK-Rust Enterprise — scoped, auditable credential access with pluggable vault backends
35
kovra
experimentalv0.9.1
kovra — a local secrets manager for development, exposed over MCP for AI coding agents. Custodies keys/passwords/tokens and delivers them to processes without leaking plaintext.
Core Metrics
| tsafe-mcp | mcp-credentials-vault | kovra | |
|---|---|---|---|
| Health Score | 51 | 51 | 35 |
| Total Downloads | 137 | 32 | 53 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 6 | 0 | 0 |
| Releases | 5 | 2 | 3 |
| Last Updated | 5d ago | 50d ago | 19d ago |
| Age | 1m | 1m | 1m |
Health Breakdown
tsafe-mcp
Maintenance
16
Quality
9
Community
8
Popularity
3
Documentation
15
mcp-credentials-vault
Maintenance
11
Quality
17
Community
6
Popularity
2
Documentation
15
kovra
Maintenance
13
Quality
4
Community
6
Popularity
2
Documentation
10
Technical Details
| tsafe-mcp | mcp-credentials-vault | kovra | |
|---|---|---|---|
| Version | 2.0.1 | 1.1.0 | 0.9.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | AGPL-3.0-or-later | Apache-2.0 | BUSL-1.1 |
| Dependencies | 19 | 22 | 18 |
| Crate Size | 98KB | 49KB | 124KB |
| Features | 0 | 8 | 0 |
| Yanked % | 20.0% | 0.0% | 100.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.88 | 1.85 | 1.87 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •tsafe-mcp leads with a health score of 51/100, but none of the options score above 80.
- •kovra is pre-1.0 — API may change.