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Clickable external links now lead with the destination site's own mark instead of the globe when the host belongs to a known site: GitHub, GitLab, npm, PyPI, Stack Overflow, MDN, Wikipedia, Hacker News, YouTube, X, Bilibili, Zhihu, Juejin, and CSDN. LinkIcon takes an optional href and resolves the mark through a private SiteGlyph module; markdown anchors, reference links, URL-promoted inline code, and web-card source and fetch links pass their sanitized destination. Unmapped hosts, non-http schemes, and the file categories keep today's glyph. The marks are the single-path form of Simple Icons (CC0-1.0) on its 24x24 viewBox, filled with currentColor like every other link glyph, so they follow the link alias in both themes and on hover. Coverage: the LinkIcon spec pins one host per mapped site plus the alias and fallback branches, the markdown and web-card specs pin their consumer wiring, and the clickable-links gallery e2e pins the assembled mark against the globe in a real browser.
DeepSeek Harness
English | 中文
DeepSeek Harness (dsh) is an open-source agent harness developed by DeepSeek AI.
It is built on an everything-is-a-plugin architecture and powered by Cordis, whose design is described in A Programming Paradigm for Spatiotemporal Composability.
Documentation: https://deepseek-harness.github.io/deepseek-harness/
Developer preview
DeepSeek Harness is in developer preview and iterating rapidly. THERE WILL BE COMPATIBILITY-BREAKING CHANGES.
Review the safety notice before running the project.
Run
Run from npm
Install Node.js, then run:
npx @deepseek-ai/dsh web
The command starts the Web UI at http://127.0.0.1:3080 by default and opens it in the default browser for a local launch. An SSH launch only prints the host URL because the SSH client or editor owns the local forwarded address. Pass --no-open to run the server without opening a browser. See Web UI guide.
Run from source
To run from a repository checkout:
git clone https://github.com/deepseek-ai/deepseek-harness.git
cd deepseek-harness
pnpm install
pnpm run build
pnpm dsh web
pnpm run build prepares the repository artifacts. pnpm dsh web uses those built artifacts without rebuilding.
Community and support
- Submit feedback or bug reports through GitHub Discussions.
- Add the
dsh-plugintopic to your plugin repository for discoverability. - Join DeepSeek Harness Discord community.
Contributing
See CONTRIBUTING.md.
Development
Start with the development guide and architecture documentation.
For agents, follow AGENTS.md.
Citation
@misc{deepseek-harness2026,
title={DeepSeek Harness: Everything is a Plugin},
author={DeepSeek-AI},
year={2026},
publisher={GitHub},
howpublished={\url{https://github.com/deepseek-ai/deepseek-harness}},
}
License
Third-party dependencies and their licenses are disclosed in THIRD_PARTY_NOTICES.md.