Source: https://seerepo.com/compare/deepseek-ai/deepseek-harness/vs/RocketChat/Rocket.Chat
Markdown source: https://seerepo.com/compare/deepseek-ai/deepseek-harness/vs/RocketChat/Rocket.Chat.md
Description: deepseek-harness and Rocket.Chat share 3 technologies: React, Vite, and GitHub. Both are written in TypeScript.

# deepseek-harness vs Rocket.Chat

deepseek-harness and Rocket.Chat share 3 technologies: React, Vite, and GitHub. Both are written in TypeScript.

- [deepseek-ai/deepseek-harness](https://seerepo.com/r/deepseek-ai/deepseek-harness): DeepSeek Harness: Everything is a Plugin.
- [RocketChat/Rocket.Chat](https://seerepo.com/r/RocketChat/Rocket.Chat): The Secure CommsOS™ for mission-critical operations

## What they share and what sets them apart

- In common: React, Vite, GitHub
- Only in deepseek-harness: MCP, Anthropic
- Only in Rocket.Chat: Express, MongoDB, AWS S3

## Side by side

| | deepseek-harness | Rocket.Chat |
|---|---|---|
| Size | 1,487,888 lines written, 2,982 code files | 933,602 lines written, 8,350 code files |
| Who writes it | 12.5% of its commits signed by AI. With Codex and Claude Code | 0.9% of its commits signed by AI. With Claude Code, GitHub Copilot, CodeRabbit, Cursor, and Devin |
| Activity | Last push October 28, 2026, 15,334 commits, 265,423 stars | Last push October 30, 2026, 24,982 commits, 46,352 stars |
| Tests | 3,270 test files. 72.4% of its code files have a test that imports them | 2,033 test files. 16.8% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, deepseek-harness or Rocket.Chat?

deepseek-harness, with 1,487,888 lines written in 2,982 code files; Rocket.Chat has 933,602 in 8,350.

The proof: [deepseek-ai/deepseek-harness's code at commit f3803c9](https://github.com/deepseek-ai/deepseek-harness/tree/f3803c96974ad4a94195fb97e5c637e9c2a3afe3)

### Which has more GitHub stars, deepseek-harness or Rocket.Chat?

deepseek-harness, with 265,423 stars; Rocket.Chat has 46,352.

The proof: [deepseek-ai/deepseek-harness on GitHub](https://github.com/deepseek-ai/deepseek-harness)

### Which has more tests, deepseek-harness or Rocket.Chat?

deepseek-harness, with 3,270 test files; Rocket.Chat has 2,033.

The proof: [deepseek-ai/deepseek-harness's code at commit f3803c9](https://github.com/deepseek-ai/deepseek-harness/tree/f3803c96974ad4a94195fb97e5c637e9c2a3afe3)

### Which was updated more recently, deepseek-harness or Rocket.Chat?

Rocket.Chat: its last push was on October 30, 2026, and deepseek-harness's on October 28, 2026.

The proof: [RocketChat/Rocket.Chat's commits on GitHub](https://github.com/RocketChat/Rocket.Chat/commits)

### Which has more commits signed by AI, deepseek-harness or Rocket.Chat?

deepseek-harness: an AI signed 12.5% of its commits, with Codex and Claude Code; in Rocket.Chat, 0.9%.

The proof: [the commits each tool signed in deepseek-ai/deepseek-harness](https://seerepo.com/r/deepseek-ai/deepseek-harness/ai)

## Sources

- deepseek-ai/deepseek-harness: Read on October 29, 2026, at commit f3803c9 (https://github.com/deepseek-ai/deepseek-harness/tree/f3803c96974ad4a94195fb97e5c637e9c2a3afe3)
- RocketChat/Rocket.Chat: Read on October 30, 2026, at commit 6342bbe (https://github.com/RocketChat/Rocket.Chat/tree/6342bbe1e8e5f9ba543eda992e4fef410013b998)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.