Source: https://seerepo.com/compare/deepseek-ai/deepseek-harness/vs/github/github-mcp-server
Markdown source: https://seerepo.com/compare/deepseek-ai/deepseek-harness/vs/github/github-mcp-server.md
Description: deepseek-harness and github-mcp-server share 4 technologies: React, Vite, MCP, and GitHub. deepseek-harness is written in TypeScript and github-mcp-server in Go.

# deepseek-harness vs github-mcp-server

deepseek-harness and github-mcp-server share 4 technologies: React, Vite, MCP, and GitHub. deepseek-harness is written in TypeScript and github-mcp-server in Go.

- [deepseek-ai/deepseek-harness](https://seerepo.com/r/deepseek-ai/deepseek-harness): DeepSeek Harness: Everything is a Plugin.
- [github/github-mcp-server](https://seerepo.com/r/github/github-mcp-server): GitHub's official MCP Server

## What they share and what sets them apart

- In common: React, Vite, MCP, GitHub
- Only in deepseek-harness: Anthropic
- Only in github-mcp-server: net/http

## Side by side

| | deepseek-harness | github-mcp-server |
|---|---|---|
| Size | 1,487,888 lines written, 2,982 code files | 145,220 lines written, 169 code files |
| Who writes it | 12.5% of its commits signed by AI. With Codex and Claude Code | 28.7% of its commits signed by AI. With GitHub Copilot, Claude Code, Codex, and Cursor |
| Activity | Last push October 28, 2026, 15,334 commits, 265,423 stars | Last push October 30, 2026, 1,192 commits, 34,137 stars |
| Tests | 3,270 test files. 72.4% of its code files have a test that imports them | 143 test files. 82.8% 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 github-mcp-server?

deepseek-harness, with 1,487,888 lines written in 2,982 code files; github-mcp-server has 145,220 in 169.

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 github-mcp-server?

deepseek-harness, with 265,423 stars; github-mcp-server has 34,137.

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

### Which has more tests, deepseek-harness or github-mcp-server?

deepseek-harness, with 3,270 test files; github-mcp-server has 143.

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 github-mcp-server?

github-mcp-server: its last push was on October 30, 2026, and deepseek-harness's on October 28, 2026.

The proof: [github/github-mcp-server's commits on GitHub](https://github.com/github/github-mcp-server/commits)

### Which has more commits signed by AI, deepseek-harness or github-mcp-server?

github-mcp-server: an AI signed 28.7% of its commits, with GitHub Copilot, Claude Code, Codex, and Cursor; in deepseek-harness, 12.5%.

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

## Sources

- deepseek-ai/deepseek-harness: Read on October 29, 2026, at commit f3803c9 (https://github.com/deepseek-ai/deepseek-harness/tree/f3803c96974ad4a94195fb97e5c637e9c2a3afe3)
- github/github-mcp-server: Read on November 1, 2026, at commit f2a07cd (https://github.com/github/github-mcp-server/tree/f2a07cd13243ea9773a0ef42692e5b0e156f0951)

## 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.