# Send Image Gen Skill to your agent Use the source page and any available docs to guide the install because the item currently does not return a direct package file. ## Fast path - Open the source page via Open source listing. - If you can obtain the package, extract it into a folder your agent can access. - Paste one of the prompts below and point your agent at the source page and extracted files. ## Suggested prompts ### New install ```text I tried to install a skill package from Yavira, but the item currently does not return a direct package file. Inspect the source page and any extracted docs, then tell me what you can confirm and any manual steps still required. ``` ### Upgrade existing ```text I tried to upgrade a skill package from Yavira, but the item currently does not return a direct package file. Compare the source page and any extracted docs with my current installation, then summarize what changed and what manual follow-up I still need. ``` ## Machine-readable fields ```json { "schemaVersion": "1.0", "item": { "slug": "image-gen", "name": "Image Gen Skill", "source": "tencent", "type": "skill", "category": "AI 智能", "sourceUrl": "https://clawhub.ai/wells1137/image-gen", "canonicalUrl": "https://clawhub.ai/wells1137/image-gen", "targetPlatform": "OpenClaw" }, "install": { "downloadUrl": "/downloads/image-gen", "sourceDownloadUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=image-gen", "sourcePlatform": "tencent", "targetPlatform": "OpenClaw", "packageFormat": "ZIP package", "primaryDoc": "SKILL.md", "includedAssets": [ "SKILL.md", "generate.js", "package-lock.json", "package.json" ], "downloadMode": "manual_only", "sourceHealth": { "source": "tencent", "slug": "image-gen", "status": "source_issue", "reason": "not_found", "recommendedAction": "review_source", "checkedAt": "2026-05-01T22:36:37.821Z", "expiresAt": "2026-05-02T22:36:37.821Z", "httpStatus": 404, "finalUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=image-gen", "contentType": "text/plain", "probeMethod": "head", "details": { "probeUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=image-gen", "contentDisposition": null, "redirectLocation": null, "bodySnippet": null, "slug": "image-gen" }, "scope": "item", "summary": "Known item issue.", "detail": "This item's current download entry is known to bounce back to a listing or homepage instead of returning a package file.", "primaryActionLabel": "Open source listing", "primaryActionHref": "https://clawhub.ai/wells1137/image-gen" }, "validation": { "installChecklist": [ "Open the source listing and confirm there is a real package or setup artifact available.", "Review SKILL.md before asking your agent to continue.", "Treat this source as manual setup until the upstream download flow is fixed." ], "postInstallChecks": [ "Confirm the extracted package includes the expected docs or setup files.", "Validate the skill or prompts are available in your target agent workspace.", "Capture any manual follow-up steps the agent could not complete." ] } }, "links": { "detailUrl": "https://openagent3.xyz/skills/image-gen", "downloadUrl": "https://openagent3.xyz/downloads/image-gen", "agentUrl": "https://openagent3.xyz/skills/image-gen/agent", "manifestUrl": "https://openagent3.xyz/skills/image-gen/agent.json", "briefUrl": "https://openagent3.xyz/skills/image-gen/agent.md" } } ``` ## Documentation ### Image Generation Skill This skill generates images using the best AI model for each use case. Model selection is the most important decision — read the dispatch logic carefully before generating. ### 🧠 Intelligent Dispatch Logic Always select the model based on the user's actual need, not just the request surface. ### Decision Tree Does the request involve MULTIPLE images that share characters, scenes, or story continuity? ├─ YES → Use NANO BANANA (Gemini) │ Reason: Gemini understands context holistically; supports reference_images │ for character/scene consistency across a series (storyboard, comic, sequence) │ └─ NO → Is it a SINGLE standalone image? ├─ Artistic / cinematic / painterly / highly detailed? │ → Use MIDJOURNEY │ ├─ Photorealistic / portrait / product photo? │ → Use FLUX PRO │ ├─ Contains TEXT (logo, poster, sign, infographic)? │ → Use IDEOGRAM │ ├─ Vector / icon / flat design / brand asset? │ → Use RECRAFT │ ├─ Quick draft / fast iteration (speed priority)? │ → Use FLUX SCHNELL (<2s) │ └─ General purpose / balanced? → Use FLUX DEV ### Model Capability Matrix ModelIDArtisticPhotorealismTextContext ContinuitySpeedCostMidjourneymidjourney⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐❌ (no context)~30s~$0.05Nano Banana Pronano-banana⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐~20s$0.15Flux Proflux-pro⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐❌~5s~$0.05Flux Devflux-dev⭐⭐⭐⭐⭐⭐⭐⭐⭐❌~8s~$0.03Flux Schnellflux-schnell⭐⭐⭐⭐⭐⭐⭐❌<2s~$0.003Ideogram v3ideogram⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐❌~10s~$0.08Recraft v3recraft⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐❌~8s~$0.04SDXL Lightningsdxl⭐⭐⭐⭐⭐⭐⭐⭐❌~3s~$0.01 ### When to Use Nano Banana (Critical) Use Nano Banana whenever the user's request involves: Storyboard / 分镜图: Multiple frames that tell a story with the same characters Comic strip / 漫画: Sequential panels with consistent characters Character series: Multiple images of the same person/character in different poses or scenes Scene continuation: "Now show the same girl in the forest" (referencing a previous image) Style consistency: A set of images that must share the same visual style/world Nano Banana uses Google's Gemini 3 Pro multimodal architecture, which understands context holistically rather than keyword-matching. It supports up to 14 reference images for maintaining character and scene consistency. ### How to Use This Skill Analyze the request: Is it a single image or a series? Does it need context continuity? Select model: Use the decision tree above. Enhance the prompt: Add style, lighting, and quality descriptors appropriate for the model. Inform the user: Tell them which model you're using and why, and that generation has started. Run the script: Use exec tool with sufficient timeout. Deliver the result: Send image URL(s) to the user. ### Calling the Generation Script node {baseDir}/generate.js \\ --model \\ --prompt "" \\ [--aspect-ratio ] \\ [--num-images <1-4>] \\ [--negative-prompt ""] \\ [--reference-images ""] Parameters: --model: One of midjourney, flux-pro, flux-dev, flux-schnell, sdxl, nano-banana, ideogram, recraft --prompt: The image generation prompt (required) --aspect-ratio: e.g. 16:9, 1:1, 9:16, 4:3, 3:4 (default: 1:1) --num-images: 1-4 (default: 1; Midjourney always returns 4 regardless) --negative-prompt: Things to avoid (not supported by Midjourney) --reference-images: Comma-separated image URLs for context/character consistency (Nano Banana only) --mode: Midjourney speed: turbo (default, ~20-40s), fast (~30-60s), relax (free but slow) exec timeout: Set at least 120 seconds for Midjourney and Nano Banana; 30 seconds is sufficient for Flux Schnell. ### ⚡ Midjourney Workflow (Sync Mode — No --async) Always use sync mode (no --async). The script waits internally until complete. node {baseDir}/generate.js \\ --model midjourney \\ --prompt "" \\ --aspect-ratio 16:9 ### Understanding Midjourney Output { "success": true, "model": "midjourney", "jobId": "xxxxxxxx-...", "imageUrl": "https://cdn.legnext.ai/temp/....png", "imageUrls": [ "https://cdn.legnext.ai/mj/xxxx_0.png", "https://cdn.legnext.ai/mj/xxxx_1.png", "https://cdn.legnext.ai/mj/xxxx_2.png", "https://cdn.legnext.ai/mj/xxxx_3.png" ] } CRITICAL — image field meanings: FieldWhat it isWhen to useimageUrlA 2×2 grid composite of all 4 imagesSend as preview so user can see all optionsimageUrls[0]Image 1 (top-left)Send when user wants image 1imageUrls[1]Image 2 (top-right)Send when user wants image 2imageUrls[2]Image 3 (bottom-left)Send when user wants image 3imageUrls[3]Image 4 (bottom-right)Send when user wants image 4 "放大第N张" / "要第N张" / "give me image N" = send imageUrls[N-1] directly. Do NOT call generate.js again. ### Midjourney Interaction Flow After generation: 🎨 生成完成！这是 4 张图的预览： 预览图 你喜欢哪一张？回复 1、2、3 或 4，我直接发给你高清单图。 When user picks image N: 这是第 N 张的单独高清图： 图片 N ### 🤖 Nano Banana (Gemini) Workflow Use for storyboards, character series, and any context-dependent multi-image generation. ### Single image (no reference) node {baseDir}/generate.js \\ --model nano-banana \\ --prompt "" \\ --aspect-ratio 16:9 ### With reference images (character/scene consistency) node {baseDir}/generate.js \\ --model nano-banana \\ --prompt "" \\ --aspect-ratio 16:9 \\ --reference-images "https://url-of-previous-image-1.png,https://url-of-previous-image-2.png" How to build a storyboard series: Generate the first frame without reference images (establishes the character/scene) Use the first frame's URL as --reference-images for the second frame For subsequent frames, use the most recent 1-3 images as references to maintain consistency Keep the character description consistent across all prompts Example storyboard workflow: Frame 1: node generate.js --model nano-banana --prompt "A young girl with red hair, wearing a blue dress, sitting under a magical treehouse in an enchanted forest, warm golden light, storybook illustration style" --aspect-ratio 16:9 Frame 2: node generate.js --model nano-banana --prompt "The same red-haired girl in blue dress climbing the rope ladder up to the treehouse, excited expression, enchanted forest background, same storybook illustration style" --aspect-ratio 16:9 --reference-images "" Frame 3: node generate.js --model nano-banana --prompt "Inside the magical treehouse, the red-haired girl discovers a glowing book on a wooden shelf, wonder on her face, warm candlelight, same storybook illustration style" --aspect-ratio 16:9 --reference-images "," ### Nano Banana Output { "success": true, "model": "nano-banana", "images": ["https://v3b.fal.media/files/...png"], "imageUrl": "https://v3b.fal.media/files/...png" } Send imageUrl directly to the user (no grid, single image). ### Flux Pro / Dev / Schnell Best for photorealistic standalone images. Output format same as Nano Banana (single imageUrl). node {baseDir}/generate.js --model flux-pro --prompt "" --aspect-ratio 16:9 ### Ideogram v3 Best for images containing text (logos, posters, signs). node {baseDir}/generate.js --model ideogram --prompt "A motivational poster with text 'DREAM BIG' in bold typography, sunset gradient background" --aspect-ratio 3:4 ### Recraft v3 Best for vector-style, icons, flat design. node {baseDir}/generate.js --model recraft --prompt "A minimal flat design app icon, blue gradient, abstract geometric shape" --aspect-ratio 1:1 ### Prompt Enhancement Tips For Midjourney: Add cinematic lighting, ultra detailed, --v 7, --style raw. Legnext supports all MJ parameters. For Nano Banana: Use natural language descriptions. Describe the character consistently across frames (hair color, clothing, expression). Mention "same style as reference" or "consistent with previous frame". For Flux: Add masterpiece, highly detailed, sharp focus, professional photography, 8k. For Ideogram: Be explicit about text content, font style, layout, and color scheme. For Recraft: Specify vector illustration, flat design, icon style, minimal. ### Example Conversations User: "帮我画一只赛博朋克猫" → Single artistic image → Midjourney → Tell user "🎨 正在用 Midjourney 生成，约 30 秒..." → Send grid preview, ask which one they want User: "帮我生成一套分镜图，讲述一个女孩在魔法森林的冒险" → Multiple frames with story continuity → Nano Banana → Tell user "🎨 这类有上下文关联的分镜图用 Gemini 生成，能保持角色一致性..." → Generate frame by frame, using previous frames as reference images User: "要第2张" / "放大第2张" (after Midjourney generation) → Send imageUrls[1] directly. No need to call generate.js again. User: "做一个 App 图标，蓝色系扁平风格" → Vector/icon → Recraft User: "生成一张带有'欢迎光临'文字的门牌图" → Text in image → Ideogram User: "快速生成个草稿看看效果" → Speed priority → Flux Schnell (<2s) User: "生成一张产品海报，白色背景，一瓶香水" → Photorealistic product → Flux Pro ### Environment Variables VariableDescriptionFAL_KEYfal.ai API key (for Flux, Nano Banana, Ideogram, Recraft)LEGNEXT_KEYLegnext.ai API key (for Midjourney) ## Trust - Source: tencent - Verification: Indexed source record - Publisher: wells1137 - Version: 2.0.1 ## Source health - Status: source_issue - Known item issue. - This item's current download entry is known to bounce back to a listing or homepage instead of returning a package file. - Health scope: item - Reason: not_found - Checked at: 2026-05-01T22:36:37.821Z - Expires at: 2026-05-02T22:36:37.821Z - Recommended action: Open source listing ## Links - [Detail page](https://openagent3.xyz/skills/image-gen) - [Send to Agent page](https://openagent3.xyz/skills/image-gen/agent) - [JSON manifest](https://openagent3.xyz/skills/image-gen/agent.json) - [Markdown brief](https://openagent3.xyz/skills/image-gen/agent.md) - [Download page](https://openagent3.xyz/downloads/image-gen)