The Landlock packed-install rehearsal packed a hand-maintained list of workspace tarballs. When dsh-llm gained the dsh-util-crypto runtime dependency, the list stayed stale and npm tried to fetch the unpublished release candidate from the public registry, failing both Linux master jobs with E404 before confinement ran. Read the current pnpm workspace inventory and traverse dependencies, optionalDependencies, and required peerDependencies from the packed test roots. Verify package identities, fail loudly on unresolved workspace names, sort the closure deterministically, and leave native-family packages to the existing mode-preserving native packer. Cover runtime traversal, optional-peer exclusion, native filtering, and invalid workspace metadata. Remove the obsolete vendoring exact edit for the deleted manual list so future runtime workspace additions are included by their manifests instead of becoming post-merge CI failures.
DeepSeek Harness
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DeepSeek Harness (dsh) is an open-source agent harness developed by DeepSeek AI.
It uses an architecture where everything is a plugin, and is 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 currently in developer preview and is 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
- Feel free to 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.
License
Third-party dependencies and their licenses are disclosed in THIRD_PARTY_NOTICES.md.