Source: https://seerepo.com/compare/deepseek-ai/deepseek-harness/vs/ruvnet/ruflo
Markdown source: https://seerepo.com/compare/deepseek-ai/deepseek-harness/vs/ruvnet/ruflo.md
Description: deepseek-harness and ruflo share 3 technologies: React, Vite, and MCP. Both are written in TypeScript. Side by side: stack, size, who writes it, activity and tests.

# deepseek-harness vs ruflo

deepseek-harness and ruflo share 3 technologies: React, Vite, and MCP. Both are written in TypeScript.

- [deepseek-ai/deepseek-harness](https://seerepo.com/r/deepseek-ai/deepseek-harness/built): DeepSeek Harness: Everything is a Plugin.
- [ruvnet/ruflo](https://seerepo.com/r/ruvnet/ruflo/built): 🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated

## Side by side

| | deepseek-harness | ruflo |
|---|---|---|
| Stack | TypeScript: React, Vite, MCP, GitHub, Anthropic | TypeScript: SvelteKit, React, Vite, Express, MongoDB, Postgres, Supabase, MCP, OpenAI |
| Size | 1,377,558 lines written, 2,802 code files | 1,130,323 lines written, 2,477 code files |
| Who writes it | 12.9% of its commits signed by AI. With Codex and Claude Code | 36.2% of its commits signed by AI. With Claude Code and Codex |
| Activity | Last push October 23, 2026, 14,875 commits, 262,598 stars | Last push October 27, 2026, 8,929 commits, 79,691 stars |
| Tests | 3,030 test files. 70.4% of its code files have a test that imports them | 1,703 test files. 48.3% of its code files have a test that imports them |

## What they share and what sets them apart

- In common: React, Vite, MCP
- Only in deepseek-harness: GitHub, Anthropic
- Only in ruflo: SvelteKit, Express, MongoDB, Postgres, Supabase, OpenAI

## Sources

- deepseek-ai/deepseek-harness: Read on October 27, 2026, at commit 22ddee3 (https://github.com/deepseek-ai/deepseek-harness/tree/22ddee3792402c3e70ec5f86a63c3e3e895a2f60)
- ruvnet/ruflo: Read on October 27, 2026, at commit 7cd18ca (https://github.com/ruvnet/ruflo/tree/7cd18ca4e4f1dfc5942d5afcb45759ddddd5a7f0)