ds-vision-plugin

<p align="center"> <img src="assets/ds-vision-plugin-cover.png" alt="A black whale carrying image data through a four-model vision race into text" width="100%"> </p>

<h1 align="center">ds-vision-plugin</h1>

<p align="center"> <strong>Paste an image. Let four vision models race. Keep DeepSeek text-only.</strong> </p>

<p align="center"> <a href="README.zh-CN.md">简体中文</a> · <a href="#quick-start">Quick start</a> · <a href="#routing-model">Routing</a> · <a href="VERIFICATION.md">Verification</a> · <a href="LICENSE">License</a> </p>

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<p align="center"> <img alt="Version 0.4.0" src="https://img.shields.io/badge/version-0.4.0-0ea5e9?style=flat"> <img alt="DeepSeek Harness plugin" src="https://img.shields.io/badge/DeepSeek%20Harness-plugin-111827?style=flat"> <img alt="Four-model race" src="https://img.shields.io/badge/vision%20race-4%20models-4d6bfe?style=flat"> <img alt="Node.js 22.19 or 24" src="https://img.shields.io/badge/Node.js-22.19%20%7C%2024-339933?style=flat&logo=nodedotjs&logoColor=white"> </p>

<p align="center"><code>paste → attachment → race ×4 → grounded text → DeepSeek</code></p>

An installable DeepSeek Harness bundle that gives a text-only DeepSeek model a natural image-input experience. Paste or drop an image into the Web composer; the plugin reads Harness's verified attachment, races configured vision models or OCR, replaces the image with grounded text at agent/pre-step, and lets DeepSeek continue normally.

> [!NOTE] > No Harness source fork is required. The plugin also exposes vision_analyze and vision_status for workspace files and diagnostics.

Why it exists

Why choose this plugin

• Native paste/drop UX: users attach images directly in the Harness Web composer without first saving a path or naming a tool.
• The proven ds-vision-skill four-model pattern: Agnes 2.5, Agnes 2.0, GLM-4V-Flash, and GLM-4.1V-Thinking-Flash start together; the first valid response is handed to DeepSeek.
• No GLM 4.6 dependency: the default configuration, routing, and tests contain no glm-4.6v-flash route.
• No Harness source fork: the implementation uses a scoped Host capability bridge, durable attachments, and the official agent/pre-step extension.
• Low setup friction: the CLI creates configuration, reports channel readiness, saves masked keys on Windows, adds arbitrary OpenAI-compatible models, and verifies a real image.
• Open-ended routing: user models are not limited to three slots and can join either the concurrent race or ordered fallback.
• Explicit failure behavior: images are never silently discarded; deployments choose visible annotation or strict failure.

The four-way race can start four provider requests for each uncached image. It is recommended when latency and availability matter most. If request count, cost, or data exposure matters more, remove channels from routing.race or prefer local VLM/OCR routes.

Routing model

flowchart LR
    U["Web composer<br/>paste / drop image"] --> A["Harness attachment store<br/>verified bytes"]
    A --> P["ds-vision-plugin<br/>agent/pre-step"]
    P --> R["Four-model race<br/>Agnes 2.5 + Agnes 2.0<br/>GLM-4V + GLM Thinking"]
    P --> O["OCR route<br/>Baidu / Tesseract"]
    P --> C["Custom routes<br/>cloud / relay / local"]
    R --> T["Grounded text block"]
    O --> T
    C --> T
    T --> D["Text-only DeepSeek<br/>continues reasoning"]

• Automatic conversion for Web image attachments; default route filter: deepseek-official.
• Multiple images per message and images nested in tool results.
• Four-model first-success race: agnes-2.5-flash, agnes-2.0-flash, glm-4v-flash, and glm-4.1v-thinking-flash; losing requests are cancelled.
• glm-4.6v-flash is not used.
• Any number of user-owned OpenAI-compatible models can be added to the race or ordered fallback.
• Prompt-aware OCR routing to Baidu OCR or local Tesseract; VLM fallback if OCR is unavailable.
• Custom hosted endpoints plus local Ollama/LM Studio support.
• YAML hot reload, result caching, timeouts, size limits, and real-path confinement for the manual file tool.
• Strict failure or visible failure annotation; images are never silently dropped.
• Secrets are named by environment variable and are not returned by vision_status.

Quick start

Requirements: Node.js 22.19+ or 24+. Run one command in PowerShell, Command Prompt, bash, or zsh:

npx -y github:Sorwcyra/ds-vision-plugin

The command installs or updates the plugin when needed, creates the four-model configuration without overwriting an existing one, guides key setup, starts the Web profile on the Harness-configured default port, and opens the browser. The plugin does not override that default (currently 3080). Run the same command next time. If the default port is already serving, it simply opens the existing Web UI instead of starting a duplicate process.

Useful options:

<details> <summary>Manual installation and local development</summary>

$env:npm_config_ignore_workspace_root_check = 'true'
npx -y @deepseek-ai/dsh plugin --profile web add "github:Sorwcyra/ds-vision-plugin"

Using the prebuilt tarball:

$env:npm_config_ignore_workspace_root_check = 'true'
npx -y @deepseek-ai/dsh plugin --profile web add "C:\absolute\path\to\ds-vision-plugin-0.4.0.tgz"

Local checkout:

pnpm install
pnpm run build
dsh plugin --profile web add file:/absolute/path/to/ds-vision-plugin

</details>

Configuration CLI

After installation, create the default four-model race and inspect missing keys:

& "$env:USERPROFILE\.dsh\profiles\web\node_modules\.bin\ds-vision.cmd" configure
& "$env:USERPROFILE\.dsh\profiles\web\node_modules\.bin\ds-vision.cmd" status

Save GLM or Agnes keys interactively on Windows (input is masked):

& "$env:USERPROFILE\.dsh\profiles\web\node_modules\.bin\ds-vision.cmd" key glm
& "$env:USERPROFILE\.dsh\profiles\web\node_modules\.bin\ds-vision.cmd" key agnes-2.5-flash

One GLM_API_KEY enables both GLM models; one AGNES_API_KEY enables both Agnes models. Channels with missing keys are skipped immediately.

Run one live race and print the winning model:

& "$env:USERPROFILE\.dsh\profiles\web\node_modules\.bin\ds-vision.cmd" verify --image "C:\path\test.png"

Add any OpenAI-compatible model without editing YAML:

& "$env:USERPROFILE\.dsh\profiles\web\node_modules\.bin\ds-vision.cmd" add `
  --id my-vlm --base-url "https://example.com/v1/chat/completions" `
  --model "your-vision-model" --api-key-env "MY_VLM_API_KEY" --pool fallback

Use --pool race for concurrent first-success selection or --pool fallback for ordered use after the four defaults. The generated default is ~/.dsh/ds-vision/vision.yml; DS_VISION_CONFIG can override it.

Linux/macOS:

export DS_VISION_CONFIG=/absolute/path/to/vision.yml
export GLM_API_KEY=...
export AGNES_API_KEY=...
dsh web

Windows PowerShell:

$env:DS_VISION_CONFIG = 'C:\absolute\path\to\vision.yml'
$env:GLM_API_KEY = '...'
$env:AGNES_API_KEY = '...'
dsh web

Automatic attachment settings

The bundle patch accepts these environment overrides:

For advanced overrides (autoPrompt, autoComplex, autoAccurateOcr), replace the complete ds-vision row config in the profile's cordis.patch.yml; Harness patch layers replace row configs rather than deep-merging them.

Use

Start the Web profile, choose the DeepSeek provider, paste or drop one or more PNG/JPEG/WebP/GIF images into the composer, add an optional question, and send. No path or tool name is needed. The converted visual description becomes the model-facing durable message, so the settled transcript shows the generated text rather than retaining a core image block that the text-only adapter would reject.

For a workspace file, the model can still call:

vision_analyze(path, prompt, intent, complex, accurate_ocr, no_cache)

Use vision_status() to inspect effective routing and automatic-conversion status without exposing keys.

Privacy and failure behavior

Automatic Web attachments are read only through Harness's verified private attachment service. A configured cloud channel receives the image bytes. allowedRoots applies to explicit file paths, not Web attachments. Use a local VLM/Tesseract or disable automatic conversion for sensitive images.

The default annotate mode removes an unsupported image block only after emitting a clear conversion-failure marker, allowing DeepSeek to explain the issue. Use error when a failed conversion must stop the request.

Build and verify

pnpm run build
pnpm run check
pnpm run pack:check
pnpm pack --pack-destination ./artifacts

Simulate the default ds-vision-skill race

Run the deterministic four-model Mock without provider keys:

pnpm run build
pnpm run test:race

The test asserts that all four requests start, glm-4v-flash wins first-success selection, and no 4.6 model exists in the default. The full pnpm run check additionally covers Host image admission, attachment-to-text conversion, failure modes, arbitrary CLI-added models, and path security.

See VERIFICATION.md for the tested upstream commit, automated cases, package contents, and isolated Harness installation result.

Related project

This plugin adapts the four-model routing pattern from ds-vision-skill to the DeepSeek Harness Web composer and lifecycle.

Star history

<a href="https://www.star-history.com/?repos=Sorwcyra%2Fds-vision-plugin&type=date&legend=top-left"> <img alt="Star History Chart" src="https://api.star-history.com/svg?repos=Sorwcyra/ds-vision-plugin&type=Date"> </a>

Contributors

Bug reports, provider fixes, documentation improvements, and new routing strategies are welcome.

<a href="https://github.com/Sorwcyra/ds-vision-plugin/graphs/contributors"> <img alt="Contributors" src="https://contrib.rocks/image?repo=Sorwcyra/ds-vision-plugin"> </a>

License

Released under the [MIT License](LICENSE).