dsh-session-settings

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Session Settings, MCP Server, and Skill Management plugin for DeepSeek Harness (DSH) Web GUI.

Configure per-session or global settings directly from the Web GUI with immediate effect:

1. Subagent Model & Reasoning Effort: Independently configure provider, model, and reasoning effort for subagents (subagent, subagent_fork, workflow).
2. Centralized MCP Server Management: First-class sidebar navigation item for Model Context Protocol (MCP) servers with 2-stage compatibility probing, automatic protocol downgrade, and tool schema inspection.
3. Session-Level MCP Tool Control: Granularly enable/disable MCP servers and specific tools per session or follow global defaults.
4. Session-Level Skill Management & Control: Independently enable/disable bundled, user, and project skills per session, with automatic dynamic prompt catalog filtering and execution enforcement.

Screenshots

1. Per-Session Settings (Models / MCP Tools / Skills)

2. Centralized MCP Server Management

3. Skill Management & Dedicated Rule Modal

Table of Contents

• Features
• Screenshots
• Mainline Compatibility
• Installation
  • 🚀 One-Line Quick Install (Recommended)
  • Installation from Source (For Developers)
• Plugin Updates & Upgrades
  • Option 1: Online Update (Recommended)
  • Option 2: Local Source Upgrade (For Developers)
• Uninstallation
• Development & Maintenance Commands
• Frequently Asked Questions (FAQ)
• License

Features

• Settings Sidebar Navigation Entry: Top-level section in Settings navigation sidebar (dedicated icon) for direct MCP server and Skills management.
• Session-Specific Tab: Dedicated tab in the conversation view for configuring the active session's subagent models, MCP tools, and skills.
• Flexible Modes:
  • Use Global Default: Inherit global default rules automatically.
  • Follow Parent Session: Inherit model and reasoning effort from parent session.
  • Customize for Session: Specify custom models, available MCP servers, and per-tool / per-skill disablement.
• Instant Effect: Real-time request interception and on-demand MCP client lifecycle management without restarting DSH.

Mainline Compatibility

⚠️ Note: The main branch of this plugin targets DSH 0.1.5-rc.1 and above natively without legacy backward-compatibility shims. It does not support DSH ≤ 0.1.2. Please ensure your DSH host is upgraded to the latest mainline release.

Installation

🚀 One-Line Quick Install (Recommended)

This repository includes a GitHub Actions workflow that automatically builds and deploys a minimal release to the dist branch (containing built artifacts and manifests without raw source bloat).

You can install this plugin with a single command without any local build step:

dsh plugin --profile web add github:u9521/dsh-session-settings#dist

Note: After installation, start or restart the Web service:

dsh web

Installation from Source (For Developers)

Step 1: Obtain the Source Code

Clone the repository to your local machine:

mkdir -p ~/.dsh/plugins
cd ~/.dsh/plugins

git clone https://github.com/u9521/dsh-session-settings.git
cd dsh-session-settings

Step 2: Install Dependencies & Build

pnpm install
pnpm run build

Step 3: Register to DSH Web Profile

dsh plugin --profile web add .

Verify Installation

List the plugins in the web profile to verify that @local/dsh-session-settings is registered:

dsh plugin --profile web list

Step 4: Start and Verify

dsh web

Plugin Updates & Upgrades

Option 1: Online Update (Recommended)

If you installed via the one-line command from the GitHub dist branch, update directly using dsh plugin --profile web update:

dsh plugin --profile web update github:u9521/dsh-session-settings#dist

Note: After updating, start or restart the Web service:

dsh web

Option 2: Local Source Upgrade (For Developers)

If you installed from cloned local source, pull the latest commits from the main branch and rebuild:

# Step 1: Navigate to the plugin source directory
cd ~/.dsh/plugins/dsh-session-settings

# Step 2: Pull latest commits from the main branch
git pull origin main

# Step 3: Update dependencies and rebuild artifacts
pnpm install
pnpm run build

# Step 4: Restart the Web service
dsh web

Uninstallation

To disable and completely remove the plugin, use the DSH CLI to remove it from the web profile:

dsh plugin --profile web remove @local/dsh-session-settings

Note: If installed via the GitHub specifier, you can also run:

dsh plugin --profile web remove github:u9521/dsh-session-settings#dist

After uninstallation, start or restart dsh web to return to the default DSH interface.

Development & Maintenance Commands

Frequently Asked Questions (FAQ)

Q1: Do I need to restart dsh web after updating session settings or disabling tools/skills?

A: No. The host plugin intercepts requests dynamically at runtime and manages tool/skill policies on demand. As soon as you save settings in the Web GUI, they take effect on the very next request.

Q2: How do I uninstall or remove the plugin?

A: See the Uninstallation section above and run dsh plugin --profile web remove from the corresponding profile.

License

This project is licensed under the MIT License.