OpenClaw

cheapest-image-generation

Possibly the cheapest AI image generation (~$0.0036/image). Text-to-image via the EvoLink API.

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查看来源 ↗安装与使用 SKILL.md ↗

安装与使用

请根据来源仓库和你的 AI 工具说明安装此技能。先阅读技能文件和依赖要求，再添加到工作流。

SkillHub CLI

skillhub install evolinkai/cheapest-image-generation

打开来源仓库，查看说明和兼容环境后，按来源提供的命令或步骤安装。

将来源链接提供给你的 Agent，让它先读取说明、核对依赖，并向你说明将执行的安装步骤。

查看来源 ↗使用指南

技能说明

EvoLink Cheapest Image

Generate images via the EvoLink z-image-turbo API.

API Endpoint

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

Step 1 — Submit Task

{
  "model": "z-image-turbo",
  "prompt": "<USER_PROMPT>",
  "size": "<SIZE>",
  "nsfw_check": <true|false>
}

Optional field: "seed": <INT>

Parameter	Values
size	1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9, 1:2, 2:1
nsfw_check	`true` / `false` (default `false`)
seed	any integer (optional, for reproducibility)

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 (webp/png/jpg). 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 (.webp, .png, .jpg, .jpeg)
Fallback to evolink-<timestamp>.webp if empty

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

Reference Implementations

Platform	File
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

EVOLINK_API_KEY env var (required)
Get key: https://evolink.ai

Triggers

Chinese: "生图：xxx" / "出图：xxx" / "生成图片：xxx"
English: "generate image: xxx" / "generate a picture: xxx"

Treat the text after the colon as prompt, use default size 1:1, generate immediately.

Notes

Print MEDIA:<path> for OC auto-attach — no extra delivery logic needed.
Image saved locally (format auto-detected from URL). URL expires ~24h but local file persists.

来源信息

Source: github
Repository: openclaw/skills
Path: skills/evolinkai/cheapest-image-generation
Version: —
Commit: 36d82701afa7eb4bde22cbcb17a1a8e7867c0db5
分类来源: rules
状态: active
可见性: public

这些信息来自收录时的来源分析，可能滞后；使用前请核对最新来源文件。

来源内容

SKILL.md

# EvoLink Cheapest Image

Generate images via the EvoLink z-image-turbo API.

## API Endpoint

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

## Step 1 — Submit Task

```json
{
  "model": "z-image-turbo",
  "prompt": "<USER_PROMPT>",
  "size": "<SIZE>",
  "nsfw_check": <true|false>
}
```

Optional field: `"seed": <INT>`

| Parameter | Values |
|---|---|
| size | 1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9, 1:2, 2:1 |
| nsfw_check | `true` / `false` (default `false`) |
| seed | any integer (optional, for reproducibility) |

## 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 (webp/png/jpg). 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 (`.webp`, `.png`, `.jpg`, `.jpeg`)
- Fallback to `evolink-<timestamp>.webp` if empty

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

## Reference Implementations

| Platform | File |
|---|---|
| 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

- `EVOLINK_API_KEY` env var (required)
- Get key: https://evolink.ai

## Triggers

- Chinese: "生图：xxx" / "出图：xxx" / "生成图片：xxx"
- English: "generate image: xxx" / "generate a picture: xxx"

Treat the text after the colon as `prompt`, use default size `1:1`, generate immediately.

## Notes

- Print `MEDIA:<path>` for OC auto-attach — no extra delivery logic needed.
- Image saved locally (format auto-detected from URL). URL expires ~24h but local file persists.

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