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deepseek-harness-relay-mcp

Control plane bundle and MCP relay that lets external MCP agents delegate, steer, and monitor tasks in DeepSeek Harness.

VisionUI & ProductivityTerminal & TUIDeveloper ToolsBrowser & WebSecurity & PolicySkills & WorkflowsRemote Execution
5GitHub Stars3ForksUpdated2026-10-18

Install

$ dsh plugin --profile web add harness-relay-mcp

Plugin Overview & Capabilities

AI-assisted organization based on the public repository snapshot. The content must be grounded in source evidence and does not replace compatibility or security verification.

source-grounded
Harness Relay MCP is an in-process DeepSeek Harness bundle and MCP bridge that exposes native DSH sessions, event streams, agent presets, and permission levels to external MCP agents such as Codex, Claude Code, and Cursor. Rather than parsing CLI outputs or wrapping models, it connects directly to the Typert gateway and session controllers via Cordis composition, enabling long-running delegated tasks with restart recovery, idempotent operations, and session verification.

Key Capabilities

  • Native DSH session delegation and event tracking via Cordis bundle integration
  • Comprehensive asynchronous task lifecycle: start, inspect, steer, wait, cancel, and reply
  • Model, provider, reasoning effort, and agent preset selection across registered workspaces
  • Support for native DSH permission presets (read-only, workspace-write, danger-full-access)
  • Subtask approvals and user interaction waterfalls for in-flight tasks
  • Persistent run identification and single-instance recovery across MCP proxy restarts
  • Stateless stdio proxy and standalone fallback modes for external agent connectivity

Useful For

  • Delegating complex or long-running software engineering tasks from external coding agents (Codex, Cursor, Claude Code) to DeepSeek Harness
  • Automating read-only code reviews and multi-file analysis tasks with strict permission boundaries
  • Steering running DSH tasks in real-time or recovering durable execution state after disconnects

Who It Fits

  • Developers coordinating autonomous coding tasks between external MCP clients and DeepSeek Harness
  • Engineers using multi-agent workflows requiring durable execution state and fine-grained workspace permissions
  • Teams integrating DSH background capabilities into local developer toolchains

Documented Limitations

  • Internal bundle mode requires DeepSeek Harness >=0.2.1-alpha.5 <0.3.0 and the web profile
  • Only loopback HTTP hosts (127.0.0.1) are accepted; remote network hosts are restricted
  • Subtask interaction tickets and pending approvals reside in Host memory and do not survive Host restarts
  • Target workspaces must already be registered in Harness or explicitly allowed by configuration roots

DSH Compatibility

Version-specific runtime evidence collected by DSH Plugin. A missing result means we have not tested that combination yet.

Not tested yetNo runtime compatibility tests have been published yet.

Security Signals

Objective signals discovered from package metadata and source inspection. These are not a guarantee that a plugin is safe.

Dependency Counts

package.json declares 2 runtime, 4 development, 11 peer, and 0 optional dependencies.

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Dsh Bundle Declared

package.json declares DSH bundle metadata.

info
License Declared

GitHub reports the repository license as MIT.

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Package Manifest Available

A root package.json was captured and can be inspected by the registry.

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Source Available

Public GitHub source metadata is available for this registry snapshot.

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Source & Registry Notes

Public provenance, Registry classification, and the latest source check for this entry, kept separate from runtime verification.

Source repository
tonytanglab/deepseek-harness-relay-mcp
Registry source
GitHub · dsh-plugin topic
Registry classification
Plugin Bundle
Source checked
5a2c9f5 · 2026-10-26

This project is independently indexed from public source information. DSH Plugin is not affiliated with DeepSeek or the plugin author. Always check the author repository before installation.

Repository Activity

GitHub stars
5GitHub stars
Forks
3
Open issues
0
Last commit
2026-10-18
Last release
2026-10-18
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