dsh-session-settings

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.

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Screenshots

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

2. Centralized MCP Server Management

3. Skill Management & Dedicated Rule Modal

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Table of Contents

• Features
• Screenshots
• Installation
  • 🚀 One-Line Quick Install (Recommended)
  • Installation from Source (For Developers)
• Development & Maintenance Commands
• Frequently Asked Questions (FAQ)
• License

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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.

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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

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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

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Development & Maintenance Commands

Command	Description
pnpm run build	Full build (runs tsc type check + generates lib/ bundles)
pnpm run check	Type check only (tsc --noEmit) without emitting files
pnpm run fmt	Format source code and configuration files with Prettier
pnpm run fmt:check	Check code formatting compliance

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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: Remove it anytime using the DSH CLI:

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

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License

This project is licensed under the MIT License.