# DeepSeek Harness vs Mastodon

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | DeepSeek Harness | Mastodon |
|---|---|---|
| Score | 87/100 ✓ | 82/100 |
| Rank in category | #3 of 209 in AI Agents | #2 of 69 in Social Networks & Forums |
| GitHub stars | 264 906 ✓ | 50 457 |
| Stars, last 30 days | +8 914 ✓ | +138 |
| Stable releases, 12 months | 0 | 38 ✓ |
| Latest release | — | v4.4.26 · 1 Oct 2026 |
| Setup | Moderate ✓ | Advanced |
| Official Docker image | No | Yes ✓ |
| License | MIT | AGPL-3.0 |
| Main language | Typescript | Ruby |

## Which one should you pick?

DeepSeek Harness scores 87/100 against 82/100 for Mastodon, so it is the safer default.

Mastodon ships more often: 38 stable releases in the past year, against 0 for DeepSeek Harness.

If you want the quickest setup, DeepSeek Harness is easier to run; Mastodon needs more configuration.

DeepSeek Harness is growing faster right now (+8 914 stars in 30 days).

## Details

- [DeepSeek Harness](https://selfhost.directory/project/deepseek-harness) (markdown: https://selfhost.directory/project/deepseek-harness.md)
- [Mastodon](https://selfhost.directory/project/mastodon) (markdown: https://selfhost.directory/project/mastodon.md)

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Source: https://selfhost.directory/compare/deepseek-harness-vs-mastodon