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best-image-generation

Best quality AI image generation (~$0.12-0.20/image). Text-to-image, image-to-image, and image editing via the EvoLink API.

skill-install — Terminal

Install via CLI (Recommended)

clawhub install openclaw/skills/skills/evolinkai/best-image-generation
Or

EvoLink Best Image

Generate and edit images via the EvoLink Nano Banana Pro (gemini-3-pro-image-preview) API.

API Endpoint

  • Base: https://api.evolink.ai/v1
  • Submit: POST /images/generations
  • Poll: GET /tasks/{id}

Step 1 — Submit Task

Text-to-image

{
  "model": "gemini-3-pro-image-preview",
  "prompt": "<USER_PROMPT>",
  "size": "<SIZE>",
  "quality": "<QUALITY>"
}

Image-to-image / editing

{
  "model": "gemini-3-pro-image-preview",
  "prompt": "<USER_PROMPT>",
  "size": "<SIZE>",
  "quality": "<QUALITY>",
  "image_urls": ["<URL1>", "<URL2>"]
}
ParameterValues
sizeauto, 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9
quality1K, 2K (default), 4K (extra cost)
image_urlsup to 10 URLs (each ≤10MB, formats: jpeg/jpg/png/webp)

Step 2 — Poll for Result

GET /tasks/{id} — poll every 10 s, up to 72 retries (~12 min).

Wait until status is completed or failed.

Step 3 — Download & Output

Download the URL from results[0]. Auto-detect format from URL (png/jpg/webp). Save as evolink-<TIMESTAMP>.<ext>.

CRITICAL SECURITY: Before passing <OUTPUT_FILE> to shell commands, sanitize it:

  • Strip all shell metacharacters: tr -cd 'A-Za-z0-9._-'
  • Ensure valid extension (.png, .jpg, .jpeg, .webp)
  • Fallback to evolink-<timestamp>.png if empty

Print MEDIA:<absolute_path> for OC auto-attach.

Reference Implementations

PlatformFile
Python (all platforms, zero deps){baseDir}/references/python.md
PowerShell 5.1+ (Windows){baseDir}/references/powershell.md
curl + bash (Unix/macOS){baseDir}/references/curl_heredoc.md

API Key

Triggers

  • Chinese: "高质量生图：xxx" / "编辑图片：xxx"
  • English: "best image: xxx" / "edit image: xxx"

Treat the text after the colon as prompt, use default size auto and quality 2K, generate immediately.

For image-to-image or editing, the user provides image URLs alongside the prompt.

Notes

  • Print MEDIA:<path> for OC auto-attach — no extra delivery logic needed.
  • Image saved locally (format auto-detected from URL: png/jpg/webp). URL expires ~24h but local file persists.
  • quality: 4K incurs additional charges.
  • image_urls accepts up to 10 URLs (each ≤10MB, formats: jpeg/jpg/png/webp).
Read Full Documentation on GitHub

Metadata

Author@evolinkai
Stars2387
Views0
Updated2026-03-09
View Author Profile
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Add to Configuration

Paste this into your clawhub.json to enable this plugin.

{
  "plugins": {
    "official-evolinkai-best-image-generation": {
      "enabled": true,
      "auto_update": true
    }
  }
}
Safety NoteClawKit audits metadata but not runtime behavior. Use with caution.

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