Decision Workspace
proton-core vs protonmail-cli vs proton-mcp
Side-by-side comparison of Rust crates
46
proton-core
experimentalv0.1.1
Unofficial pure-Rust Proton Mail SDK: SRP authentication, OpenPGP end-to-end crypto, and the mail API (transport, send/read, drafts, filters, contacts, local encrypted search).
45
protonmail-cli
experimentalv0.1.1
Unofficial command-line client for Proton Mail (login, read/send with end-to-end OpenPGP, drafts, filters, contacts, local encrypted search), built on proton-core.
45
proton-mcp
experimentalv0.1.1
Model Context Protocol (MCP) server exposing Proton Mail to LLM agents, backed by proton-core and a protonmail-cli login session.
Core Metrics
| proton-core | protonmail-cli | proton-mcp | |
|---|---|---|---|
| Health Score | 46 | 45 | 45 |
| Total Downloads | 61 | 43 | 41 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 4 | 0 | 0 |
| Releases | 2 | 2 | 2 |
| Last Updated | 12d ago | 12d ago | 12d ago |
| Age | 12d | 12d | 12d |
Health Breakdown
proton-core
Maintenance
13
Quality
11
Community
8
Popularity
2
Documentation
12
protonmail-cli
Maintenance
13
Quality
12
Community
6
Popularity
2
Documentation
12
proton-mcp
Maintenance
13
Quality
12
Community
6
Popularity
2
Documentation
12
Technical Details
| proton-core | protonmail-cli | proton-mcp | |
|---|---|---|---|
| Version | 0.1.1 | 0.1.1 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 24 | 9 | 11 |
| Crate Size | 90KB | 59KB | 58KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.96 | 1.96 | 1.96 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •proton-core leads with a health score of 46/100, but none of the options score above 80.