Head to head
Lettio MCP vs Mailbox
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
No reviews yet
Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.
Full listing
No reviews yet
Self-hosted MCP server for unified IMAP/SMTP mailbox access: read, list, and send email.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (93 and 88 out of 100). Lettio MCP is hosted and callable through the gateway; Mailbox runs on your own machine.
| Lettio MCP | Mailbox | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | A93/100 | A88/100 |
| Adoption | Growing | Growing |
| GitHub stars | 0 | 4 |
| Downloads / week | 60 | – |
| Runs where | Hosted (remote) | Your machine (local) |
| Gateway-ready | Yes | No |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | MIT | WTFPL |
| Last release | 2026-09-15 | 2026-09-07 |
| Category |