Sessions & Messages

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 — DeepSeek Harness plugin injects infinite-gen-3 system prompt to guide model into code construction and logical consistency inside .

Who it is for — When using DeepSeek Harness for DeepSeek-V4 tasks, installation is suitable. When users use non-DeepSeek-V4 models, this plugin is not suitable.

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

The verdict — I won't install it because it will execute shell commands, which is not the best approach.

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 — It visualizes sessions, follow-ups and branches from the same workspace as a browsable conversation map while preserving native DSH sessions as the sole source of truth.

Who it is for — Users performing non-linear conversations with DeepSeek Harness in web profile who need to organize multi-turn queries and branches. Users who prefer strict linear conversation flow do not need it.

Watch out — Sandbox testing passed with registration in a new profile. No obvious issues found. Canvas layout data is stored in the DSH_HOME/synapse/ directory.

The verdict — I would install it because it only projects committed events without altering core DSH mechanics.

What it is — Imports chat histories from 19 coding agents into resumable DeepSeek Harness sessions.

Who it is for — When switching between different AI coding agents, this plugin allows continuing conversations seamlessly. Users who only rely on a single AI agent don't need it.

Watch out — Sandbox test passed in a new profile with successful registration. It can execute shell commands. No obvious issues found.

The verdict — I would install it because it supports history import from 19 agents and export back to Claude Code, but only if you frequently switch between tools.

What it is — It enables moving an existing DSH session to another agent preset through a previewable five-section handoff while preserving the source session and allowing the target to pause for confirmation or continue immediately.

Who it is for — When you are halfway through a task in the DeepSeek Harness WebUI and need to switch to a different tool preset to continue, this plugin can migrate the session through a five-part preview without touching the source history. If you have already finished switching all tasks, this plugin will not help because it focuses on migrating existing sessions.

Watch out — Tested successfully after installing in a fresh profile and registering into harness. Static check indicates it executes shell commands. No other obvious issues found.

The verdict — I would install it because it preserves the source session history during migration.

What it is — Provide conversation and workspace state rewind in DeepSeek Harness using persistent Change Ledger.

Who it is for — If you are using DeepSeek Harness Web profile for agent tasks that modify the worktree and need to control conversation history and workspace state, this plugin fits. If your workspace does not use Git worktrees, this plugin does not apply.

Watch out — The sandbox test passed with successful installation and registration in a new profile. No obvious issues were found. However, in profiles providing the DSH Agent service, checkpoint capture for some messages may fail, leaving those messages without a usable rewind point.

The verdict — I would install it because the Change Ledger provides an explicit human-gated restore plan with two-step confirmation rather than automatic changes.

What it is — DSH-EasyRewrite provides inline editing and lazy recall of your own messages in DeepSeek Harness Web.

Who it is for — If you frequently revise messages in multi-turn conversations using DeepSeek Harness Web, this plugin is suitable. Users who send single messages without needing changes do not require it.

Watch out — Sandbox testing passed, installing in a fresh profile registers it with Harness. No obvious issues found.

The verdict — I would install it because it enables seamless message revision without altering the conversation history, with version switching for reference.

What it is — dsh-rewind plugin allows DeepSeek Harness users to rewind conversation in-place to any user message in the same session window, with optional file restore.

Who it is for — In DeepSeek Harness multi-turn agent task debugging that requires adjusting conversation context, it is suitable to install dsh-rewind. Users who only do plain text dialogue without needing file restore can consider other plugins.

Watch out — It requires installing the v0.9.x version of dsh-rewind on DSH 0.1.2-rc.1 or later, and running /dsh-rewind-fix to update old session rewind markers. Sandbox test passed: installed in a fresh profile and registered by harness. No obvious issues found.

The verdict — If rewind in-place plus file restore is needed, install it; otherwise skip, as fork-branch already meets basic needs.

What it is — dsh-maze visualizes an agent's real exploration on a timeline, including main paths, failed branches, and subagent branches.

Who it is for — When you need to analyze an agent's complex task in DeepSeek Harness and see failed branches and subagent branches on a timeline, this plugin can draw the entire exploration process. If you only want a simple list of session results without maze-style exploration analysis, it is not suitable.

Watch out — Sandbox test passed. No obvious pitfalls found.

The verdict — I would install it because it presents failed branches and subagent branches on the same timeline for direct failure analysis.

What it is — Visualizes the execution maze of DeepSeek Harness agents, including timeline, data tracks, and analysis.

Who it is for — Users running agent tasks in DeepSeek Harness are suitable for installing it. Users not using DeepSeek Harness can skip installing this tool.

Watch out — Sandbox test passed: successfully installed in a new profile and registered into DeepSeek Harness. No obvious issues found.

The verdict — I would install it because it offers deterministic execution analysis with conclusions traceable to evidence.

What it is — Adds an archived-sessions page in DeepSeek Harness Settings for searching, restoring, and deleting archived sessions by workspace.

Who it is for — When handling multiple workspace conversations in DeepSeek Harness and needing to archive inactive sessions to keep the main interface clean, this plugin can be used. It is not suitable for users who only manage a small number of conversations in a single workspace, because it is designed for bulk search and restore operations.

Watch out — After installation, the Archived sessions page appears in Settings. Sandbox testing passed and the plugin registered into the profile. Large conversations may run slowly due to lack of persistent indexing.

The verdict — I would install it because it enables diagnosis and repair of archived sessions, which offers a specific advantage in long-conversation workflows.

What it is — The plugin implements Claude-style regional risk control and conversation autonomy for DeepSeek Harness web profiles.

Who it is for — Users who need to restrict access from Chinese users or autonomously end harmful conversations in their DeepSeek Harness web profile should install this plugin. It is not suitable for users who do not want to execute any shell commands, as the plugin executes shell commands.

Watch out — It requires manually allowing the build script when installing from source. Sandbox testing passed: installed successfully in a new profile and registered by Harness. No obvious issues found.

The verdict — I would install it because it provides local risk control and autonomy features; I would not because the static check indicates it executes shell commands.

What it is — DeepSeek Harness plugin for manual exclusion and editing of conversation context with search and filters.

Who it is for — When working with long conversations using DeepSeek models in DeepSeek Harness and needing to manually manage context to avoid reliability issues. Pi Desktop users do not need this plugin as it is developed specifically for DeepSeek Harness.

Watch out — No obvious issues found. Sandbox testing has not been performed. The original session is preserved after changes.

The verdict — I would install it because it allows precise context management in long sessions on DeepSeek Harness, though it requires an additional tab.

What it is — Export append-only session logs to readable Markdown or HTML, grouped by trajectory source.

Who it is for — Users who handle append-only session logs in DeepSeek Harness are suitable for installing this plugin. Users who do not use DeepSeek Harness do not need to install it.

Watch out — Sandbox testing has not been performed yet, no obvious issues found. It requires providing an API key or token and will execute shell commands.

The verdict — If I need to convert append-only session logs to readable format, I would install it.

What it is — This is a compatibility plugin that executes shell commands to fix sandbox escalation parameter errors for third-party models in DeepSeek Harness tool calls.

Who it is for — When using third-party models for tool calls in DeepSeek Harness that require sandbox escalation to call tools like bash, this plugin is suitable. If you do not involve shell tool calls, you may not need it.

Watch out — Sandbox testing passed in a fresh profile and the plugin is registered by Harness. To install from source, you need to manually allow the build script. Official DSH 0.1.6-alpha.2 has significantly mitigated the issue.

The verdict — I would install it if official improvements still leave instability, because it provides a targeted fix for remaining cases.

What it is — dsh-message-edit is a DeepSeek Harness plugin that provides branch-based message editing, reroll, retry, and version timeline management.

Who it is for — It is suitable for users who need to edit committed user messages, assistant reasoning blocks, or replies in DeepSeek Harness conversations and retry specific historical turns. Users who do not require version branching or timeline management in their conversation workflows can skip it.

Watch out — It passed sandbox testing by being registered in a new profile. Static checks indicate it executes shell commands. No obvious runtime issues were found.

The verdict — I would install it because it allows switching session versions without modifying historical events, which is useful for controlling multi-turn conversation flows precisely.

What it is — dsh-nested-followups adds a conversation tree view to the DeepSeek Harness web interface, enabling follow-up questions in isolated branches.

Who it is for — When you are working on an engineering task in DeepSeek Harness and need to follow up on an earlier answer without mixing it into the main conversation, this plugin is suitable. Users who prefer a strictly linear conversation without any branching will not find it useful, because it changes the standard chat interface.

Watch out — Sandbox testing passed: it installed successfully in a new profile and was registered by harness. Static checks found no issues.

The verdict — I would not install it because it is only compatible with the unmodified DeepSeek Harness 0.1.0-rc.7 version.

What it is — It can rewind both the DeepSeek Harness conversation and its workspace together without touching Git. Every rewind creates a fork session, /redo reverses it, and a Rust engine completes snapshots in milliseconds.

Who it is for — Developers doing AI coding tasks who need to revert a conversation to a specific turn and restore file states fit this plugin. Users who rely more on traditional Git workflows do not need it.

Watch out — It installs successfully as an ordinary dependency rather than a profile layer. Uninstalling loses previously captured session data. It requires execution of shell commands.

The verdict — I would install it because it enables Git-independent rewinds, but only if session data does not need to be preserved long-term and profile integration is handled as an ordinary dependency.