Agent skill
image-gen
图片生成, 架构图, 流程图, 时序图, 泳道图, diagram, architecture, flowchart, sequence, swimlane, image generation, nano banana, 生图, 画图, 画一个, 生成图片, generate image, draw diagram
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/image-gen-codingsamss-all-my-ai-needs-3
SKILL.md
Image Gen Skill
通用图片生成技能,支持自由生图和结构化图表生成(架构图、流程图、时序图、泳道图)。通过可配置的 API Provider 调用图片生成模型。
Prerequisites
- Python3 可用。
- 已配置 API Provider(编辑
~/.codex/skills/image-gen/providers.json填入 api_key)。
Script Path
CODEX_HOME="${CODEX_HOME:-$HOME/.codex}"
SCRIPT="${CODEX_HOME}/skills/image-gen/scripts/image-gen.py"
Config(配置管理)
查看当前配置
Triggers: "image-gen 配置", "查看生图配置", "image config"
python3 "$SCRIPT" config
切换 Provider
Triggers: "切换生图 provider", "switch image provider"
python3 "$SCRIPT" config --switch <provider_key>
可选 provider_key: huan, undying, google
Generate(自由生图)
Triggers: "生成图片", "画一个", "generate image", "生图", "画图"
直接传入 prompt 生成图片:
python3 "$SCRIPT" generate "一个微服务架构图,包含网关、用户服务、订单服务和数据库"
可选参数:
--output <path>:指定输出路径(默认/tmp/image-gen-<timestamp>.png)--ratio <16:9>:宽高比(默认16:9)--style <clean>:风格clean/detailed/minimal(默认clean)--debug-raw:将原始请求/响应 JSON 落盘,便于排查接口返回问题--debug-dir <path>:调试文件目录(默认/tmp/image-gen-debug)
Diagram(图表模式)
根据图表类型自动包装专业 prompt 模板,生成高质量技术图表。
架构图 Architecture
Triggers: "画架构图", "architecture diagram", "系统架构"
python3 "$SCRIPT" diagram --type architecture --input "Client -> API Gateway -> Auth Service, User Service -> PostgreSQL"
流程图 Flowchart
Triggers: "画流程图", "flowchart", "流程"
python3 "$SCRIPT" diagram --type flowchart --input "用户注册流程:输入信息->验证邮箱->创建账号->发送欢迎邮件"
时序图 Sequence
Triggers: "画时序图", "sequence diagram", "时序"
python3 "$SCRIPT" diagram --type sequence --input "Browser->Server: HTTP Request; Server->DB: Query; DB->Server: Result; Server->Browser: Response"
泳道图 Swimlane
Triggers: "画泳道图", "swimlane diagram", "泳道"
python3 "$SCRIPT" diagram --type swimlane --input "前端: 发送请求; 网关: 鉴权转发; 服务: 业务处理; 数据库: 读写数据"
从文件读取描述
python3 "$SCRIPT" diagram --type architecture --file description.txt
Diagram 通用可选参数
--output <path>:指定输出路径(默认/tmp/image-gen-<timestamp>.png)--ratio <16:9>:宽高比(默认16:9)--style <clean>:风格clean/detailed/minimal(默认clean)--debug-raw:将原始请求/响应 JSON 落盘,便于排查接口返回问题--debug-dir <path>:调试文件目录(默认/tmp/image-gen-debug)
输出约定
脚本成功后会输出图片文件路径,使用 Read 工具查看图片内容展示给用户。
失败策略(严格)
- 若
generate/diagram命令返回非 0、超时、或提示“未在响应中找到图片/只返回文本”,必须直接向用户报告失败原因。 - 禁止使用 PIL/Pillow/Canvas/matplotlib 等本地绘制作为“兜底图”。
- 仅当脚本标准输出返回真实图片路径且文件存在时,才可声明“已生成成功”。
Important Notes
- 首次使用前需编辑
~/.codex/skills/image-gen/providers.json填入 api_key。 - 默认使用 Huan API + nano-banana-pro 模型。
- 生成的图片默认保存到
/tmp/目录。 - 支持 OpenAI 兼容格式和 Google Gemini 原生格式两种 API 协议。
- 可通过环境变量
IMAGE_GEN_TIMEOUT调整请求超时(默认 300 秒)。 - 可通过
IMAGE_GEN_DEBUG_RAW=1开启调试落盘;目录可用IMAGE_GEN_DEBUG_DIR指定。
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