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dsh-interconnect

Chinesezjc/dsh-interconnect

Cross-instance message and event handoff between DSH instances via an interconnect server.

303TypeScriptMITSource

Install

Add dsh-interconnect to DeepSeek Harness

via npm

Resolves a published tarball rather than cloning the repository, and installs without any extra setup. Swap `web` for your profile name if you run another one.

via GitHub · npm package

Installing from GitHub runs the project's build script, which pnpm blocks until you allowlist it — run the command once and pnpm prints the exact key to add under `allowBuilds` in ~/.dsh/profiles/web/pnpm-workspace.yaml.

What happened when we ran it

Installed cleanly when we ran it

Every command here is run in a throwaway container against a clean profile, and the result is whatever the harness recorded — not a guess from the source. Last run 3d ago.

Due diligence

Before you install dsh-interconnect

  • Source of record: Chinesezjc/dsh-interconnect — present in the community registry that DSH's own plugin market installs from.
  • Licensed under MIT.
  • Detected: terminal surface. Read the source before granting these.
  • A listing here is not a security review. Plugins run with your agent's permissions.

The AI take

What it is — DSH instances exchange messages and events via an interconnect server.

Who it is for — When cross-instance message and event pushing is needed. If only a single DSH instance is used, this plugin can be skipped.

Watch out — Sandbox test passes with installation in a new profile and registration into the profile. Static check shows it will execute shell commands.

The verdict — I would install it since it allows bidirectional event pushing between DSH instances, although wakeup is disabled by default.

Generated by grok-4.6, and a starting point rather than a verdict. Where it says a plugin installs or does not, that is from a real run in a clean profile — everything else is read off the repository. Trust the source over this.

What dsh-interconnect does

Abstract relay connecting paired chambers with message threads and branching event streams.

dsh-interconnect is a DeepSeek Harness plugin that forwards messages and events between DeepSeek Harness instances through an interconnect server. It adds a host-level interconnect service and model-visible tool-interconnect tools. The service exposes HTTP send, list and ping endpoints under /interconnect/*, plus a /interconnect/link WebSocket for bidirectional event streaming, heartbeats and reconnects. Incoming events are emitted as interconnect/event.

DeepSeek Harness instances authenticate requests with the shared DSH_INTERCONNECT_TOKEN bearer credential; authentication fails closed when the credential is absent. interconnect_send targets a session, while interconnect_list discovers live sessions and interconnect_ping checks a peer's liveness and identity. Messages can use followup, steer or inject delivery. With explicit resume: true, a peer may wake a persisted offline session, which can start a billable agent turn with that session's configured tools.

This is intended for deployments that need cross-machine session addressing, event fan-out or agent-to-agent handoff. It is not a substitute for local session messaging, and it is a poor fit when remote delivery or waking sessions is unnecessary. The resume option is off by default and can be refused by the receiving instance. Because it can wake an agent with its full tool set, including a terminal capability when that session has one, dsh-interconnect reaches the permissions and execution surfaces granted to the receiving agent.

dsh-interconnect documentation

Configuring dsh-interconnect

DeepSeek Harness loads both plugin entries at host composition level. Configure the interconnect entry as follows:

Key Default Description
instanceId dsh Diagnostic identity returned by ping, send and list; it is not used for routing.
requestTimeoutMs 10000 Outbound request timeout, capped at 60000.
peers [] Event fan-out targets configured at startup; subscribe() can add targets at runtime.
delivery followup Default for inbound messages without an explicit delivery mode.
allowResume true Whether remote senders may wake persisted offline sessions.

The shared credential is not part of this config. DeepSeek Harness reads DSH_INTERCONNECT_TOKEN from credentials such as .credentials.yaml. Both instances must use the same token. Missing credentials produce 403 responses.

Commands and endpoints

DeepSeek Harness exposes interconnect_send, interconnect_list and interconnect_ping as model-visible tools. interconnect_send takes a peer baseUrl, a target sessionId and message text, with optional delivery and resume. interconnect_list returns live session IDs and may include title and status; interconnect_ping reports peer liveness and identity.

The host service provides HTTP /interconnect/send, /interconnect/list and /interconnect/ping endpoints, and the /interconnect/link WebSocket endpoint for event delivery.

How dsh-interconnect behaves

followup queues an independent next turn, steer inserts at the nearest step boundary or starts a turn when idle, and inject writes context without waking an idle agent. A send result reports session-not-live, unreachable, resume-refused or resume-failed when delivery fails. Delivered messages are persisted with source.kind set to plugin; the source metadata is not included in model context.

Known limits

Only live sessions are listed and directly reachable. resume needs DeepSeek Harness's configured agent lookup; deployments without that lookup, including headless or profiles without api-proxy, fall back to session-not-live. Sessions using an old disk format cannot be resumed and return resume-failed.

Written from the project's own documentation and kept in sync with it. Where the two disagree, the source is authoritative — read the README on GitHub

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