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Turns course files (PPTX, PDF, DOCX, Markdown) into an outline, per-chapter key points with quoted evidence, Bilibili video picks, syllabus coverage, and Anki/JSON exports.

Controls the Chrome you are already logged into: the model clicks, types, fills in forms, reads pages, takes screenshots and downloads files in your real tabs, including inside same-origin iframes. Runs on macOS, Windows and Linux; needs Chrome 116+ and Node 18+. Works over native messaging and chrome.debugger instead of a listening port. Ships 12 browser_* tools and a cb CLI, dispatches real CDP input events, draws an on-page cursor that also appears in screenshots, and adds a toolbar panel with live status, the controlled tabs and a pause switch. browser_download saves a link, an element's target or a URL with the site's login cookies (following redirects, keeping the server's file name) to the Downloads folder or the session's working directory; cross-origin iframes are named in the snapshot but not entered. The native host and the MV3 extension travel inside this tarball: on first load the plugin copies them into place and writes the native-messaging registration itself, so there is no clone, no install.sh and no python3 - the one step left is adding the extension to Chrome: install DSH Bridge from the Chrome Web Store (https://chromewebstore.google.com/detail/bippcbbbipppmhjkjomgdnjbooecbimo, no Developer mode), or load the bundled unpacked copy at chrome://extensions (the plugin opens that page and puts the folder on the clipboard for you). Until then the tools fail loudly with those steps. On Windows the registration goes into the registry (for Chrome and Edge) and the host talks over a named pipe. A daily CI run on GitHub's macOS, Windows and Linux machines installs the plugin, loads the extension into a real Chrome and reads a page through the browser_* tools.

Web search and fetch provider for DeepSeek Harness and Pi: anonymous-first routing across Exa, Tavily, Parallel, Firecrawl and TinyFish, with opt-in billing, quota preflight and bounded cancellation.

19 browser_* tools that let agents drive DeepSeek Harness's built-in sidebar browser over a loopback bridge: accessibility-tree reads with stable refs, real CDP clicks and keys, screenshots, network interception, device emulation, a cookie vault, document-start script injection, multiple browser instances, and raw CDP passthrough. Requires DSH launched with --remote-debugging-port=9222.

Union web search for DSH (consolidated successor of DDDMUC/dsh-free-search, which it credits): 28 engines across three tiers — keyless free (Bing/DuckDuckGo/AnySearch/SearXNG multi-instance union, plus Exa/Tavily/Keenable/Firecrawl/Parallel keyless modes), paid-with-key (Zhihu/Perplexity/Serply/DeepSeek official/You.com/Baidu/Kimi/Aliyun/Doubao/Zhipu/Bocha/Metaso), and model built-in search (OpenAI/Gemini/Claude/Grok, explicit opt-in only) — with auto smart routing, per-engine enable/disable & fallback priority, parallel top-3 merge, multi_search, failure-aware fallback, a toggle to block the system built-in search, time filtering, platform search, web_fetch and a web settings UI. Experimental free advance_fetch: whole-page GFM-Markdown or CSS-selector/fields structured extraction with no API key and no per-call billing; fetch identity configurable (custom User-Agent, Referer, per-domain cookies attached only on domain match, never leaked across cross-domain redirects). Hosts 0.1.0-rc.2 through 0.2.1-rc.2 (17-tag exact engines.dsh enum; the rc.2 search-provider takeover goes through volatile config pinning after capability probing, never version branches). Paid engines need your own API keys (optional; free engines work keyless). npm: @drscrewdriver/dsh-union-search and bare dsh-union-search.

Windows only. Bilibili video summarizer: downloads the audio track, transcribes it locally with faster-whisper (Python + faster-whisper, about 725 MB of models on first run), then writes the analysis markdown and renders a one-page infographic PNG.

On-screen test-progress HUD for DSH — a click-through panel drawn over the app under test, showing each step's expectation vs actual and whether the waiting human may take back the mouse and keyboard. Ships a universal prebuilt binary (arm64 + x86_64), so no Xcode Command Line Tools are needed; the panel itself requires macOS 14+.

A bundle of molbio tools for molecular biology work:sequence analysis, primer and probe design (qPCR, TaqMan), in-silico PCR,cloning simulation,plasmid maps,sequencing validation,protein and CRISPR analysis,qPCR statistics,literature and lab records;installed as a preset-scoped bundle.

Semantic code search for DeepSeek Harness: registers two native tools, semble_search (find code by describing its behaviour, returning ranked file:line hits) and semble_find_related (neighbours of a known location), which run the Semble CLI via uvx, plus one bundled routing skill. Requires uv on PATH; the first query on a repository builds its index.

Adds a one-click delete-session row to the DSH sidebar session menu: moves the session log and its per-conversation .dsh-sessions artifact directory to the Windows Recycle Bin, with no confirmation dialog.

Route DSH subagent delegations to configured models with per-role routing for explore, plan and patch subagents, round-robin or random distribution, cross-provider failover, and active-window slicing of fork seeds.

Reads the API balance or subscription quota behind the current DSH route — including OpenDesign (AMR) wallet and Design Plan windows via the control plane — and never guesses a figure: a miss reports its cause (the raw response is echoed only when parsing fails). OpenDesign needs `vela login` or a desktop `controlKey` in `~/.amr/config.json`.

Token usage and cost dashboard: requests, tokens, RPM/TPM over the last 60 minutes, cache hit rate, per-model and per-provider breakdown, a 12-month activity heatmap, and cost estimated from OpenRouter prices. Data stays in a local ledger; no telemetry.

DeepSeek Harness plugin for SuperGrok and X Premium subscriptions: device-code sign-in, the xai provider, account-visible chat models with context and per-million-token prices, reasoning efforts read from model capabilities, and subscription usage.

Token usage dashboard for the whole harness: billed tokens from every session are rolled up per session and turn (uncached input, cache read, cache write and output) with a peak/off-peak CNY cost estimate, and a "Token 用量" entry above Settings in the sidebar opens the dashboard at /token-stats, in a new tab on the web and in an in-app popup on the Desktop. The page recollects and repaints every 60 seconds while the tab is visible. Usage is read from the same session event stream dsh-token-meter consumes, accepting 0.1.x assistant/chunk and 0.2.x assistant/message and assistant/attempt, and counting an attempt repeated after an llm retry as its own billed call; cold history is seeded once from a persisted rollup file and afterwards only logs whose mtime or size changed are re-parsed. Host half and client half ship in the one package.

Composer pill with the DeepSeek account balance, the live peak/off-peak pricing phase, and this session's spend priced request by request at the rate in effect when each request was sent. Subagent sessions' costs are aggregated into the parent session; Search and Fetch fees are charged only for DeepSeek's search engine, while third-party engines (Tavily, Bing, Exa, …) are counted but free. The balance refresh interval is configurable.

Per-request token ledger for DSH with four-bucket accounting, a 53-week heat map and a live concurrency gauge, plus an on-disk JSONL ledger that outlives the 600-row session projection window and is swept back from every stored session log at startup.

Reports Codex reset probabilities, completed resets and upcoming schedules in the DSH composer, with a read-only tool for status and paginated records.

A Usage page in DSH settings that folds every model call into a local ledger and reports requests, tokens, and estimated cost by day, route, and model, with editable unit prices and CSV export.

One-click thumbs up/down feedback UI that injects rating summaries into model context.

A launcher panel for DSH: manages the capability composer, the plugin inventory and the MCP bridge, and walks you through installing the browser tab-bridge extension.

Keeps quotes out of the message body: quoting any passage from an assistant turn opens an editable quote tray above the composer, the quotes are injected into the next turn as system-prompt context (attributed with source and time), and an expandable quote row under that turn shows exactly which quotes were used. Quotes persist across page reloads and are claimed per turn; the host and client halves hand-shake on version and report a compatibility verdict.

A music dock for the DSH web GUI. A draggable capsule in the bottom-right corner opens into a player card with a queue, previous and next, a draggable progress bar, a volume knob driven by drag or mouse wheel, three loop modes and per-track cover art for resolved links (local files show a vinyl placeholder); audio files dropped onto the card play immediately. Paste a Bilibili, NetEase Cloud Music or QQ Music track or playlist link to resolve it: NetEase and QQ audio is signed by the host into an opaque HMAC token, so the browser never receives a plain CDN address and cannot forge one. A spectrum canvas along the page bottom reads a real AnalyserNode and draws in six styles (dots, bars, blocks, mirror, line, wave) with adjustable width, bar count, sensitivity, glow, height, frame rate and placement; the row is fitted to the container width, falling back to a slight overflow when the gaps would fall below half a pixel. Seven colour themes (whale blue-white, aurora, mint, sunset, rose, neon, mono). The settings section is grouped into interface, theme, playback, links and spectrum, and carries favorites and history tables.

Composer prompt refinement for DSH: rewrites a rough draft into a structured, unambiguous prompt with one-click undo, reference-chip protection, three model sources (composer / account / any OpenAI-compatible endpoint) and disconnect-aware cancellation.