DeepSeek HarnessvsPostal
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| DeepSeek Harness | Postal | |
|---|---|---|
| Score | 87/100 | 72/100 |
| Rank in category | #3 of 209 in AI Agents | #3 of 16 in Mail Server |
| GitHub stars | 264 755 | 16 898 |
| Stars, last 30 days | +8 763 | +74 |
| Stable releases, 12 months | 0 | 3 |
| Latest release | — | 3.3.7 · 3 Jun 2026 |
| Setup | Moderate | Advanced |
| Official Docker image | No | Yes |
| License | MIT | MIT |
| Main language | Typescript | Ruby |
Which one should you pick?
DeepSeek Harness scores 87/100 against 72/100 for Postal, so it is the safer default.
Postal ships more often: 3 stable releases in the past year, against 0 for DeepSeek Harness.
If you want the quickest setup, DeepSeek Harness is easier to run; Postal needs more configuration.
DeepSeek Harness is growing faster right now (+8 763 stars in 30 days).
DeepSeek Harness details →Postal details →