The best DeepSeek Harness plugins, by what people install

What it is — A plugin market inside DeepSeek Harness for browsing, searching, and installing community plugins.

Who it is for — If you need to extend plugin capabilities in your DeepSeek Harness web configuration, this is suitable. If you are using an older host, you can skip it because the market disables itself and shows in the browser console.

Watch out — Sandbox test passed: installed in a new profile and registered to the profile. No obvious pitfalls found, but requires providing an API key or token.

The verdict — I would install it because it supports configuration backup via WebDAV or Gist sync.

What it is — A whale widget placed in the bottom right corner of the DeepSeek Harness web GUI for displaying balance and usage.

Who it is for — For users of the DeepSeek Harness web interface who need to monitor balance and usage in the bottom right corner, this plugin is suitable. Users who do not use the DSH web GUI may not need this plugin because it is designed specifically for the web interface.

Watch out — Sandbox test passed: installed in a fresh profile and registered by harness. No obvious issues found.

The verdict — I would install it because the sandbox test passed and it is local-only with no telemetry.

What it is — dsh-memory-plugin is an OpenViking memory and context bundle plugin.

Who it is for — When you use the DSH plugin system, people who need OpenViking memory and context bundle are suitable to install dsh-memory-plugin. For people who do not need OpenViking as context database, they can use other plugins.

Watch out — Sandbox test passed, installed in a fresh profile and registered into profile by harness. It will execute shell commands. No obvious pitfalls found.

The verdict — I would install it because it can be registered by harness after installation in a fresh profile.

What it is — ModLens bridges text-only models with vision, allowing pasted images to obtain structured JSON evidence including OCR, layout, and semantics.

Who it is for — When using DeepSeek Harness with text-only models like DeepSeek-V4-Flash to analyze pasted images, it is suitable. For users of native multimodal models, this plugin is not necessary because native models retain their built-in image pasting capability.

Watch out — Sandbox testing passed, with successful installation in a fresh profile and registration with Harness. No obvious issues found.

The verdict — I would install it because it outputs structured visual evidence without saving the image to a file path first.

What it is — DSH-better-sidebar is a sidebar workbench that supports file rendering, code editing, terminal execution, Git operations, and subagents, with third-party plugins able to register new tabs via the same API.

Who it is for — When using DeepSeek Harness and DSH models for code file processing that requires sidebar display of files, terminal output, and Git changes, this plugin provides complete workbench capabilities. If your work involves only pure text interaction without file or terminal tools, you can consider other lightweight interface solutions because it is prepared for multi-functional file management scenarios.

Watch out — Tested successfully in a fresh profile, registered into the harness profile. Installation involves executing shell commands for dependencies. No obvious issues found.

The verdict — I would install it because it integrates sidebar support for files and terminal; the trade-off is handling build dependencies during installation.

What it is — The plugin generates validated self-contained interactive architecture workflow diagrams.

Who it is for — When you need to generate diagrams from system descriptions in DeepSeek Harness, this plugin can provide support. If you want the plugin to not execute shell commands, you can choose other tools.

Watch out — Sandbox test passed: installed in new profile and registered in harness. Static check found it will execute shell commands. No obvious pits found.

The verdict — I would install it because it can generate validated self-contained diagrams, but the premise is using the DeepSeek Harness platform.

What it is — dsh-context provides a context insight panel, /context command, and context browser for managing context composition, evolution trends, and events.

Who it is for — Users analyzing context composition and evolution in DeepSeek Harness sessions can use this plugin. Those preferring a simple chat interface without extra insights do not need it.

Watch out — Sandbox testing passed with no obvious issues. Token statistics align with official token-meter projections.

The verdict — You will install it because it offers detailed tracking of context events, which is valuable when your sessions include tool calls.

What it is — DSH Web UI plugin and skin collection including task board, Git visualization, right-side panel, mobile remote UI, pet, and live token stats.

Who it is for — Suitable when needing to schedule AI agent tasks or manage remote servers via SSH. Users who do not require custom model capabilities or session archiving do not need it.

Watch out — Sandbox test passed in new profile and registered by harness. No obvious issues found.

The verdict — I would install it because it supports pairing the same link for mobile and PC, but the premise is having DSH Web UI.

What it is — This is a DeepSeek Harness plugin that provides jailbreak prompts and test suite for DeepSeek V4.1.

Who it is for — When using DeepSeek V4.1 for network security red team testing, people who need to test the model's adversarial defense capabilities are suitable to install it. People who use non-DeepSeek V4.1 models do not need to install it.

Watch out — The sandbox test installed and registered successfully in a new profile. The plugin will execute shell commands.

The verdict — I would install it because it provides red team test suite for DeepSeek V4.1, but on the premise that it must be used strictly in controlled environments as per the legal disclaimer.

What it is — dsh-pet is a whale-girl companion plugin for the DeepSeek Harness Web GUI, featuring animations that follow agent state changes with pat interactions and a feeding mechanic that raises intimacy from a calf to deep-sea bonds.

Who it is for — If you execute AI agent tasks in the DeepSeek Harness Web GUI and need a companion that reacts to agent state, dsh-pet is suitable. If you use the DSH Desktop rather than the Web GUI, you do not need to install this plugin.

Watch out — Sandbox testing passed: it was successfully installed in a fresh profile and registered by harness. No obvious issues were found.

The verdict — I would install it because the feeding mechanic raises intimacy from a calf to deep-sea bonds, adding value when agent state visualization is required in your tasks.

What it is — Browse loaded skills in dsh web GUI, grouped by source. Enable or disable model invocation, create new skills and delete to a recoverable trash.

Who it is for — When you need to manage skill configurations across models in the dsh web, this plugin allows browsing, enabling or disabling invocation, creating new skills and deleting. If your work only involves session operations without skill customization, you don't need this plugin.

Watch out — Sandbox test passed. Successfully installed in a fresh profile and registered by Harness. No obvious issues found.

The verdict — I would install it because it provides tools for skill creation and recovery, which is necessary when extending model capabilities.

What it is — dsh-routing-suite provides runtime injector and router-standard presets.

Who it is for — You can install this if you need to use router-standard task-aware reasoning-mode router presets in DeepSeek Harness. You can install this if you need to use router-spec presets in DeepSeek Harness.

Watch out — It requires source installation from GitHub. Sandbox testing passed when registered in a new profile. Static checks found no risks.

The verdict — I would install it because it provides the injector and router presets for DeepSeek Harness agent management.

What it is — dsh-weknora provides four read-only tools to operate WeKnora knowledge base for DeepSeek Harness.

Who it is for — When using ReAct-agent in DeepSeek Harness to process WeKnora knowledge base, these tools can provide corresponding capabilities. If you do not use DeepSeek Harness for agent tool calls but rely on other integration methods, you do not need this plugin.

Watch out — Needs to provide API key or token. Will execute shell commands. No obvious pitfalls found.

The verdict — I will install it because it provides WeKnora knowledge base's RAG or ReAct-agent answer function.

What it is — Updates default prompts, permission policies and tool limits in @deepseek-ai packages and adds a Rules card to the settings page.

Who it is for — When using the web or desktop version of DeepSeek Harness and needing to flexibly adjust prompts and tool limits for different models, it is suitable to install this plugin. If you want to keep native DeepSeek Harness default settings without adding the Rules card, you can choose not to install it.

Watch out — Sandbox test passed: installed in new profile and registered by harness. No obvious pits found. But patches will be overwritten after npm upgrade.

The verdict — I would install it because it can automatically restore patches after upgrade, but the premise is using dsh 0.1.1-rc.2 version.

What it is — The BrowserSkill plugin bridges DeepSeek Harness to control visible Chrome and Edge agent windows, with native browser tools, accessibility and VOM observations, screenshots, and multi-session management.

Who it is for — This plugin suits agents using DeepSeek Harness to handle tasks like page summarization or form interactions on logged-in websites. It is unnecessary for agents focused only on local code generation without browser requirements.

Watch out — It must be installed as a subdirectory plugin for DeepSeek Harness. Static checks indicate capability to execute shell commands. No obvious issues identified, as sandbox testing has not been performed.

The verdict — I would install it because it enables visible agent windows for browser tasks, allowing continued personal browser use without interruption.

What it is — A whale widget placed in the bottom right corner of the DeepSeek Harness web GUI for displaying balance and usage.

Who it is for — For users of the DeepSeek Harness web interface who need to monitor balance and usage in the bottom right corner, this plugin is suitable. Users who do not use the DSH web GUI may not need this plugin because it is designed specifically for the web interface.

Watch out — Sandbox test passed: installed in a fresh profile and registered by harness. No obvious issues found.

The verdict — I would install it because the sandbox test passed and it is local-only with no telemetry.

What it is — billion-context is a context-compression plugin for DeepSeek Harness that acts as a proxy between any AI coding agent and its model API, compressing long conversations to save tokens.

Who it is for — When you use DeepSeek Harness in Cursor for large coding projects that require marathon sessions, you can install it. If you prefer using a host's built-in summarizer or a model with sufficient context window, then this plugin is not suitable.

Watch out — Sandbox testing succeeded. No obvious issues found.

The verdict — I would install it because it supports running sessions with 18.76B cumulative tokens without window violations.

What it is — dsh-ssh plugin provides an SSH operations panel for DeepSeek Harness, supporting web terminal, SFTP transfer, local port forwarding, and one-command cluster execution across hosts.

Who it is for — When managing multiple remote servers and performing batch operations with DeepSeek Harness AI agents, the dsh-ssh plugin offers web terminal and port forwarding features. Users working solely on local development without needing cross-host communication can stick with the native DeepSeek Harness interface.

Watch out — Sandbox testing passed after installation into a fresh profile and registration with harness. No obvious issues found.

The verdict — I would install it because agents share the same host config, making it easy to execute commands across multiple hosts.

What it is — Integrates WorkBuddy desktop app models into DeepSeek Harness for direct DSH chat use with no extra setup, supporting parallel groups from both versions.

Who it is for — If you want to call WorkBuddy GLM-5.3 models in DSH chat on DeepSeek Harness and have WorkBuddy desktop app logged in, you can use it directly. Users who only use built-in models or do not need desktop app support do not need to install it.

Watch out — Sandbox test passed with registration in a fresh profile; no obvious issues found. Shell command execution is a static check note only. Reasoning effort detection may consume a small amount of quota.

The verdict — I would install it because it adds WorkBuddy models to DSH chat with zero extra configuration, but only if you already have the WorkBuddy desktop app logged in.

What it is — Jingyun DSH Client is an AI commercialized desktop client based on DeepSeek Harness.

Who it is for — If you have an existing DeepSeek Harness instance and want to add Jingyun Studio's member system, it is suitable for installation. If your needs are only in the command line environment, you can directly use the original DeepSeek Harness.

Watch out — Sandbox test shows that after installation, Harness did not register it into the profile. It may be related to configuration. No other obvious defects found.

The verdict — It currently cannot be installed. I will wait for Jingyun Studio to fix the registration issue before deciding.

What it is — Adds an AI novel-writing preset and workbench to DeepSeek Harness.

Who it is for — Users who are writing long novels in DeepSeek Harness and want AI assistance for chapter generation with manual review are suitable for installing it. Users who require automated batch generation or integration with mature editors should not, as it only supports a minimal manual review workflow.

Watch out — No obvious issues found. This is an early MVP version with capabilities only about 10% of the desktop version. It only supports the minimal creation chain with manual approval.

The verdict — I would not install it, because it lacks the full project tree and batch workflows of the desktop version.

What it is — The dsh-loopx-plugin provides a LoopX control plane for DeepSeek Harness, managing durable goals, todos, evidence, and handoffs for long-horizon agents.

Who it is for — When building coding or research agents with DeepSeek Harness that require cross-session Goal and Todo state, this plugin can be installed. For users who only need single-session instant task completion, the durable state management provided by this plugin falls outside their requirements.

Watch out — No obvious issues found. From source installation, the build script requires manual approval to execute.

The verdict — I would install it because it maintains a bounded loop GoalBar for DeepSeek Harness agents, which is necessary for long-horizon work.

What it is — The plugin generates validated self-contained interactive architecture workflow diagrams.

Who it is for — When you need to generate diagrams from system descriptions in DeepSeek Harness, this plugin can provide support. If you want the plugin to not execute shell commands, you can choose other tools.

Watch out — Sandbox test passed: installed in new profile and registered in harness. Static check found it will execute shell commands. No obvious pits found.

The verdict — I would install it because it can generate validated self-contained diagrams, but the premise is using the DeepSeek Harness platform.

What it is — dsh-memory-plugin is an OpenViking memory and context bundle plugin.

Who it is for — When you use the DSH plugin system, people who need OpenViking memory and context bundle are suitable to install dsh-memory-plugin. For people who do not need OpenViking as context database, they can use other plugins.

Watch out — Sandbox test passed, installed in a fresh profile and registered into profile by harness. It will execute shell commands. No obvious pitfalls found.

The verdict — I would install it because it can be registered by harness after installation in a fresh profile.

What it is — dsh-ssh plugin provides an SSH operations panel for DeepSeek Harness, supporting web terminal, SFTP transfer, local port forwarding, and one-command cluster execution across hosts.

Who it is for — When managing multiple remote servers and performing batch operations with DeepSeek Harness AI agents, the dsh-ssh plugin offers web terminal and port forwarding features. Users working solely on local development without needing cross-host communication can stick with the native DeepSeek Harness interface.

Watch out — Sandbox testing passed after installation into a fresh profile and registration with harness. No obvious issues found.

The verdict — I would install it because agents share the same host config, making it easy to execute commands across multiple hosts.

What it is — DeepSeek Harness SSH ops panel providing web terminal, SFTP transfer with progress, local port forwarding, and one-command cluster execution across hosts where agents share the same host config.

Who it is for — Suitable when managing multiple remote servers for cluster tasks in DeepSeek Harness. Not ideal for users focused solely on local AI development.

Watch out — Sandbox test passed with installation in a fresh profile and registration by DeepSeek Harness. No obvious pitfalls detected.

The verdict — I would install it because agents share the same host config.

自检：第四段（ZH_TAKE 和 EN_TAKE）提供了是否安装的明确判断与前提，去掉后读者会缺少对插件在实际使用场景中的取舍结论。

What it is — dsh-task-board provides a sidebar multi-column kanban for real DSH agent sessions and cron-scheduled tasks executed host-side.

Who it is for — When you need to execute and schedule AI agent tasks using DeepSeek Harness, dsh-task-board is suitable as it supplies multi-column boards and host-side cron execution.

Users who do not schedule AI tasks can consider plugins focused only on basic session management because their workflows do not require kanban scheduling.

Watch out — Sandbox testing confirmed successful installation and registration into a fresh profile with no obvious performance or compatibility issues.

The verdict — If your work requires host-side cron execution of AI tasks even with the browser closed, I would install it because it supports that exact capability.

What it is — Browse loaded skills in dsh web GUI, grouped by source. Enable or disable model invocation, create new skills and delete to a recoverable trash.

Who it is for — When you need to manage skill configurations across models in the dsh web, this plugin allows browsing, enabling or disabling invocation, creating new skills and deleting. If your work only involves session operations without skill customization, you don't need this plugin.

Watch out — Sandbox test passed. Successfully installed in a fresh profile and registered by Harness. No obvious issues found.

The verdict — I would install it because it provides tools for skill creation and recovery, which is necessary when extending model capabilities.

What it is — This plugin enables remote control of DeepSeek Harness web workspace from phone or PC using QR-code pairing and SSE real-time sync.

Who it is for — When you need to remotely view DeepSeek Harness web workspace on your phone, this plugin fits your scenario. If you primarily use the full desktop GUI mode, this plugin is not necessary.

Watch out — Sandbox test passed: it was successfully installed in a new profile and registered into profile by harness. No static issues found.

The verdict — I would install it because it passed the sandbox registration test.

What it is — Adds a plugin management tab in DSH settings for installing from npm or git.

Who it is for — Users who need to install and manage plugins from npm or git in DSH. Users who do not need to handle installation conflicts do not need this plugin.

Watch out — Sandbox test passed: installed in a new profile and registered by the harness. No obvious issues found.

The verdict — I would install it because it supports switching at next startup and conflict reconciliation with undo.

What it is — dsh-git-graph plugin provides Git branch selector and commit history graph for the DeepSeek Harness Web GUI, allowing branch switching and exploration of branch lanes and commit history from the conversation header.

Who it is for — Users who manage Git branches and commit history in DeepSeek Harness Web GUI conversations are suitable for this plugin. Those not working with Git repositories do not need this plugin.

Watch out — Sandbox testing confirmed successful installation and registration in a fresh profile. No obvious issues detected.

The verdict — I would install it because it integrates the Git graph directly into the conversation header for faster branch management in coding workflows.

What it is — Updates default prompts, permission policies and tool limits in @deepseek-ai packages and adds a Rules card to the settings page.

Who it is for — When using the web or desktop version of DeepSeek Harness and needing to flexibly adjust prompts and tool limits for different models, it is suitable to install this plugin. If you want to keep native DeepSeek Harness default settings without adding the Rules card, you can choose not to install it.

Watch out — Sandbox test passed: installed in new profile and registered by harness. No obvious pits found. But patches will be overwritten after npm upgrade.

The verdict — I would install it because it can automatically restore patches after upgrade, but the premise is using dsh 0.1.1-rc.2 version.

What it is — A whale widget placed in the bottom right corner of the DeepSeek Harness web GUI for displaying balance and usage.

Who it is for — For users of the DeepSeek Harness web interface who need to monitor balance and usage in the bottom right corner, this plugin is suitable. Users who do not use the DSH web GUI may not need this plugin because it is designed specifically for the web interface.

Watch out — Sandbox test passed: installed in a fresh profile and registered by harness. No obvious issues found.

The verdict — I would install it because the sandbox test passed and it is local-only with no telemetry.

What it is — A plugin market inside DeepSeek Harness for browsing, searching, and installing community plugins.

Who it is for — If you need to extend plugin capabilities in your DeepSeek Harness web configuration, this is suitable. If you are using an older host, you can skip it because the market disables itself and shows in the browser console.

Watch out — Sandbox test passed: installed in a new profile and registered to the profile. No obvious pitfalls found, but requires providing an API key or token.

The verdict — I would install it because it supports configuration backup via WebDAV or Gist sync.