dsh-mimo-vision-hint

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A zero-dependency hint plugin for DeepSeek Harness (DSH). It registers a section in the model's system prompt instructing the agent to dispatch image-recognition tasks to an opencode-go mimo-v2.5 subagent (a single-agent workflow with provider/model overrides) instead of reading images itself via read_image; if the workflow call fails, the agent falls back to read_image.

This plugin only injects prompt text: it registers no model tools and provides no cordis services, so mounting it in an agent composition needs no isolate realm.

Prerequisites

• Your DSH deployment has a provider named opencode-go configured, serving a mimo-v2.5 model — the subagent dispatch targets that provider/model pair.
• The active agent preset includes the workflow tool (needed to spawn the subagent).

Without these, the plugin does no harm: the injected prompt tells the agent to fall back to read_image directly.

Installation

This package is a DSH profile bundle (its manifest declares dsh.bundle and it ships its own mount layer), so the official plugin command installs and mounts it in one step — no hand-edited YAML required:

dsh plugin --profile web add github:Isekai-Mfu/dsh-mimo-vision-hint

dsh plugin installs the package into the profile's node_modules, records the dependency, and — because this package declares a bundle — automatically appends its layer (cordis.patch.yml, a single insert entry) to the profile's dsh.profile.bundles composition stack. The plugin then mounts at the host layer and takes effect for every new session of every agent preset in the deployment.

pnpm must be on your PATH (dsh plugin forwards to it). Uninstalling is equally one command — once the dependency is gone, the bundle layer leaves the composition stack automatically:

dsh plugin --profile web remove dsh-mimo-vision-hint

Manual installation (without pnpm)

1. Place this package somewhere the profile can resolve (e.g. $DSH_HOME/profiles/web/node_modules/dsh-mimo-vision-hint).
2. Add an insert entry to the profile's user patch layer ($DSH_HOME/profiles/web/cordis.patch.yml):

- insert:
    - id: mimo-vision
      name: dsh-mimo-vision-hint

3. Saving takes effect immediately (hot reload); remove the entry to disable.

Notes

No other dependencies, no configuration options. The prompt text is injected into every new session; the vision subagent's provider (opencode-go) and model (mimo-v2.5) are currently hard-coded — edit SECTION in lib/index.js to change them. Presets without the workflow tool (e.g. minimal mode) cannot dispatch the subagent; the prompt tells the model to fall back to read_image in that case.

License

MIT