Lum1104/dsh-browser
Chrome sidebar extension that lets DSH operate your browser directly, no vision capabilities required.
Install
via GitHub · GitHub source
Installing from GitHub runs the project's build script, which pnpm blocks until you allowlist it — run the command once and pnpm prints the exact key to add under `allowBuilds` in ~/.dsh/profiles/web/pnpm-workspace.yaml.
Due diligence
dsh-browser is a DeepSeek Harness plugin that connects DSH to a Chrome tab you already use, allowing the agent to read pages and operate their controls without visual input. It combines a browser bridge with a Chrome MV3 extension and exposes tools including browser_snapshot, browser_click, browser_type, browser_press, browser_scroll, navigation commands, browser_get_text, and browser_wait.
The extension turns a page into structured text containing its title, URL, main text, numbered interactive elements, and masked form fields. The agent addresses controls by number; screenshots are not sent through the model-facing pipeline. The bridge is registered in DSH’s local web profile, with the managed installation under ~/.dsh/dsh-browser and the extension under ~/.dsh/browser-extension. Local discovery uses /ext/bridge-config.
This is for browser tasks that depend on an existing login, session, or cookie state. It is not suitable for chrome:// pages, the Chrome Web Store, or workflows requiring screenshots or visual interpretation. The terminal surface includes shell-based installation and startup, while the browser surface reaches the selected Chrome tab: it can navigate, click controls, fill forms, and submit actions with the agent’s browser access. Password and payment-card values are masked before page data reaches the model.
dsh-browser controls the Chrome tab selected through its extension. browser_snapshot returns the page title, URL, main text, numbered controls, and masked form fields; delta: true returns only changes. browser_get_text reads a page region, including lazy-loaded or partial text. browser_click, browser_type, and browser_press operate controls and keyboard input. For browser_type, replace clears the field first. browser_scroll accepts viewport directions including up, down, top, and bottom. Navigation is provided by browser_navigate, browser_back, browser_forward, and browser_reload; browser_wait waits for page loading and rendering to settle.
For local use, the extension discovers DSH through /ext/bridge-config. Loopback connections do not require a bridge token. DSH registers the bridge bundle in its local web profile and loads that profile at startup, so an already-running instance must be restarted after installation or an update. The default local address is http://127.0.0.1:3080. Remote deployment with --host 0.0.0.0 requires an address and bridge token.
Start a managed checkout with pnpm start from ~/.dsh/dsh-browser, or start a cloned checkout with pnpm start from its repository root. The public release can be started with npx @deepseek-ai/dsh web. Both use port 3080 by default; --port <port> selects another port. The managed source is kept at ~/.dsh/dsh-browser; the built extension is copied to ~/.dsh/browser-extension.
The documented prerequisites are Node.js ^22.19 or >=24, Corepack/pnpm, and Google Chrome. The extension operates on normal http:// and https:// pages. Chrome-internal and protected pages, including chrome:// and the Chrome Web Store, cannot be read or operated. Password and payment-card values are rendered as •••• and do not enter the model-facing page data.
Written from the project's own documentation and kept in sync with it. Where the two disagree, the source is authoritative — read the README on GitHub
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