Head to head
SMTP vs mail-index
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
MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation
Full listingmail-index
Aio.github.unsoldgroup/mail-indexNo reviews yet
Local-first, read-only MCP server for recall over your Gmail: search, contacts, threads, digests.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours mail-index (91/100 against 83).
| SMTP | mail-index | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | B83/100 | A91/100 |
| Adoption | Growing | Growing |
| GitHub stars | 0 | 4 |
| Downloads / week | 44 | 59 |
| Runs where | Your machine (local) | Your machine (local) |
| Gateway-ready | No | No |
| Tools | 7 | 32 |
| Write actions | 2 | 3 |
| Price per call | Free | Free |
| Licence | MIT | MIT |
| Last release | 2026-09-16 | 2026-09-14 |
| Category |