Overview
Open DeepSeek Harness Desktop is an independent, community-maintained AI desktop application that provides a visual workspace for the DeepSeek Harness coding agent. By wrapping the powerful Cordis-powered agent runtime in a hardened Electron window, it offers a secure, local-first environment for managing AI-assisted coding workflows.
Main Purpose and Target User Group
- Developers: Managing local repositories who need persistent coding sessions.
- Teams: Evaluating various compatible AI model providers.
- Plugin and Skill Authors: Building and testing extensions within a unified environment.
- Open Source Contributors: Interested in the architecture of local AI software.
Function Details and Operations
Compatible Model Configuration
Easily connect to DeepSeek or configure custom API base URLs, credentials, and model identifiers.
Local Workspace Management
Open project folders and maintain durable, persistent coding sessions with the ability to stream responses and manage history.
Agent Execution Inspection
Review records and key-step summaries to confirm tool activity and model reasoning.
Plugin and Skill Ecosystem
Utilize an "everything is a plugin" architecture to discover, install, and invoke extensions, tools, and workflows.
Customizable Interface
Personalize the workspace with custom color palettes and backgrounds.
Secure Desktop Host
Operates as a secure supervisor for the Harness process, utilizing Chromium sandboxing and disabled Node integration for safety.
User Benefits
- Unified Workflow: Keeps all coding sessions, credentials, and plugin configurations in one place.
- Privacy-First Design: Sensitive API keys remain within the Harness credentials service, and the desktop host does not bridge untrusted filesystem access.
- Extensibility: The plugin-based architecture allows for deep customization of models, prompts, and agent capabilities.
- Transparency: As an open-source project, users have full visibility into the code, ensuring no hidden telemetry or unauthorized data handling.
Compatibility and Integration
- Model Support: Compatible with DeepSeek and other API-compatible model providers.
- Platform Support: Currently validated for macOS (source run); Windows and Linux implementations are in active development.
- Architecture: Integrates seamlessly with the existing Cordis plugin runtime, ensuring that the desktop layer acts as a host rather than a secondary, conflicting runtime.
Access and Activation Method
- Source Access: The project is available via the official GitHub repository.
- Installation: Users can clone the repository, install dependencies via pnpm, and build the application locally.
- Execution: Run the application using the provided development scripts (e.g.,
pnpm run dev:desktop) to launch the local Harness process and the loopback Web UI. - Licensing: The software is released under the MIT License.