Address the 7 remaining review threads on PR #2768: - spec: assert the exact full event sets for both workflows (ci-master = [push, workflow_dispatch], ci.yml = [pull_request]) instead of only the negated checks, so losing/adding a wrong event fails. - 2026-07-21 note line 29: 'The ci-master and Sandbox workflows keep their cross-platform references on master pushes' (en+zh) — ci.yml is PR-only. - failover-runbook line 19 (en+zh): the push-reachable classification now names ci-master.yml for the drills/wine cache and ci.yml for the PR jobs, dropping the stale pull-request-gated phrasing. i18n hashes re-recorded for both notes; spec 13/13, pairs consistent, note-format 575.
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.
Developer preview
DeepSeek Harness is currently in developer preview and is iterating rapidly. THERE WILL BE COMPATIBILITY-BREAKING CHANGES.
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.