DeepSeek Harness Pro — Preview

An opinionated coding agent built on top of DeepSeek Harness.

DSH ships the runtime — sessions, agents, tools, a web GUI — and leaves the product decisions open. dsh-pro makes them: a file artifact panel, git review, web search that needs no API key, conversation rewind, scheduled routines, deep research. The result covers roughly the ground Claude Code or Codex does, assembled entirely from plugin seams rather than a fork, so upstream stays upgradeable.

Install

Needs Node. The harness itself comes from npx, so there is nothing to install first.

git clone https://github.com/rodrigobaron/dsh-pro
cd dsh-pro
./install.sh

The installer builds every plugin under plugins/, installs it into ~/.dsh/profiles/node_modules, and regenerates the profile patch. It creates no agent preset and does not change which preset is default. It is idempotent — the patch is written whole on every run, so re-running never accumulates duplicate rows. Set DSH_HOME to target a different harness home.

Run

npx @deepseek-ai/dsh web

Serves at http://127.0.0.1:3080.

After re-running the installer, restart that process and force-refresh the browser once — the client-side plugins are cached, so a plain reload serves the previous build.

Updating

Settings → Updates installs the newest release: the tarball CI built, checksum-verified, swapped into the profile with the previous install kept as a backup. Restart afterwards — see updates.

To update from a clone instead, git pull && ./install.sh.

Plugins

Interface

Plugin	What it adds
tool-file-canvas	the show_file tool and the contained GET /canvas/file reader
client-ui-file-canvas	the artifact panel and its renderers
client-ui-layout-wide	a wide, resizable details column
git-review	a Git tab: review the diff, stage, discard, commit, push
context	a context dashboard tab and the /context command
archived-sessions	a session manager in Settings: browse, archive, delete
notification	desktop notifications when a session finishes a turn
updates	install new releases from GitHub, verified and reversible

Agent capabilities

Plugin	What it adds
search	web search over ten free engines with automatic fallback, no API key
browser	drive a real Chromium tab: open, read, click, fill, screenshot
deep-research	/deep-research <topic>: a controlled multi-round search loop

Conversation control

Plugin	What it adds
rewind	a rewind button on every user message: drop it and everything after
rewind-picker	the /rewind command: pick the message to rewind to from a list
routines	scheduled agent routines: a cron engine that fires real sessions
at-file	@path references in the composer, without reading the file

Each plugin is self-contained. Nothing depends on reference/, which holds upstream checkouts consulted while porting and is not distributed.

Docs

• Development — adding a plugin, the build contract, type-checking
• Language — English by default, and why that is not enforced

Thanks

This repository stands on other people's work. Eight of its plugins began as someone else's, and the ones written from scratch were shaped by reading them.

• bowenliang123/dsh-context — the context dashboard and the /context command
• Zephyr-vibe/dsh-archived-sessions — session management, disk accounting, and lineage
• omdsh-dev/dsh-at-file — @path references, and the pre-step injection pattern deep-research borrows
• DDDMUC/dsh-free-search — ten search engines with no API key, and the fallback chain behind them
• omdsh-dev/dsh-notification — desktop notifications and their rule engine
• omdsh-dev/dsh-recall — conversation rewind, and the user-bubble renderer it shadows to place a button there
• linxin666/dsh-timer-agent — the scheduled-agent engine, and its at-most-once firing discipline
• Clizo1209/dsh-playwright-browser — browser automation with semantic locators

Thanks also to NousResearch/hermes-agent, whose cron design dsh-timer-agent follows and which therefore shapes routines here, and to the DeepSeek Harness team, whose plugin seams made every one of these possible without a fork.

License

MIT, except where a plugin is derived from someone else's work. Those keep their upstream license and carry a NOTICE recording exactly what changed:

Plugin	Upstream	License
context	bowenliang123/dsh-context	Apache-2.0
archived-sessions	Zephyr-vibe/dsh-archived-sessions	MIT
at-file	omdsh-dev/dsh-at-file	MIT
search	DDDMUC/dsh-free-search	MIT
notification	omdsh-dev/dsh-notification	MIT
rewind	omdsh-dev/dsh-recall	MIT
routines	linxin666/dsh-timer-agent	MIT
browser	Clizo1209/dsh-playwright-browser	MIT