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9d9525549d
The load-time output-budget/addressSpaceMb gate used a worst-case multiple of 8, assuming two simultaneous ~4x astral copies (the built string and its encode). Three are live at the peak: on the newline path a single write holds the caller's text argument, the line slice handed to push, and push's encode copy; the settlement flush_line path held the pending chunks, their join, and that encode copy. A budget admitted at 8x (e.g. maxLogBytes 48 MiB against addressSpaceMb 512) could still OOM the child. The multiple is now 12, the strict `>` is `>=` so a budget whose peak exactly equals the room left after the interpreter baseline is rejected (that peak plus the baseline is the whole address space), and flush_line drops the pending chunks before its push to match the newline path's join-clear-push order. The child re-check mirror and both note sides move in step; config-catalog is regenerated from the updated field JSDoc.
DeepSeek Harness
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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.
License
Third-party dependencies and their licenses are disclosed in THIRD_PARTY_NOTICES.md.