{ "schemaVersion": "1.0", "item": { "slug": "excalidraw-creator", "name": "Excalidraw Creator", "source": "tencent", "type": "skill", "category": "内容创作", "sourceUrl": "https://clawhub.ai/plgonzalezrx8/excalidraw-creator", "canonicalUrl": "https://clawhub.ai/plgonzalezrx8/excalidraw-creator", "targetPlatform": "OpenClaw" }, "install": { "downloadMode": "redirect", "downloadUrl": "/downloads/excalidraw-creator", "sourceDownloadUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=excalidraw-creator", "sourcePlatform": "tencent", "targetPlatform": "OpenClaw", "installMethod": "Manual import", "extraction": "Extract archive", "prerequisites": [ "OpenClaw" ], "packageFormat": "ZIP package", "includedAssets": [ "references/element-schema.md", "scripts/package-lock.json", "scripts/package.json", "scripts/render.js", "scripts/setup.sh", "SKILL.md" ], "primaryDoc": "SKILL.md", "quickSetup": [ "Download the package from Yavira.", "Extract the archive and review SKILL.md first.", "Import or place the package into your OpenClaw setup." ], "agentAssist": { "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.", "steps": [ "Download the package from Yavira.", "Extract it into a folder your agent can access.", "Paste one of the prompts below and point your agent at the extracted folder." ], "prompts": [ { "label": "New install", "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete." }, { "label": "Upgrade existing", "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run." } ] }, "sourceHealth": { "source": "tencent", "status": "healthy", "reason": "direct_download_ok", "recommendedAction": "download", "checkedAt": "2026-04-23T16:43:11.935Z", "expiresAt": "2026-04-30T16:43:11.935Z", "httpStatus": 200, "finalUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=4claw-imageboard", "contentType": "application/zip", "probeMethod": "head", "details": { "probeUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=4claw-imageboard", "contentDisposition": "attachment; filename=\"4claw-imageboard-1.0.1.zip\"", "redirectLocation": null, "bodySnippet": null }, "scope": "source", "summary": "Source download looks usable.", "detail": "Yavira can redirect you to the upstream package for this source.", "primaryActionLabel": "Download for OpenClaw", "primaryActionHref": "/downloads/excalidraw-creator" }, "validation": { "installChecklist": [ "Use the Yavira download entry.", "Review SKILL.md after the package is downloaded.", "Confirm the extracted package contains the expected setup assets." ], "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." ] }, "downloadPageUrl": "https://openagent3.xyz/downloads/excalidraw-creator", "agentPageUrl": "https://openagent3.xyz/skills/excalidraw-creator/agent", "manifestUrl": "https://openagent3.xyz/skills/excalidraw-creator/agent.json", "briefUrl": "https://openagent3.xyz/skills/excalidraw-creator/agent.md" }, "agentAssist": { "summary": "Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.", "steps": [ "Download the package from Yavira.", "Extract it into a folder your agent can access.", "Paste one of the prompts below and point your agent at the extracted folder." ], "prompts": [ { "label": "New install", "body": "I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete." }, { "label": "Upgrade existing", "body": "I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run." } ] }, "documentation": { "source": "clawhub", "primaryDoc": "SKILL.md", "sections": [ { "title": "Excalidraw Creator", "body": "Generate beautiful hand-drawn style diagrams rendered as PNG images." }, { "title": "Workflow", "body": "Generate JSON — Write Excalidraw element array based on what the user wants\nSave to file — Write JSON to /tmp/.excalidraw\nRender — node /scripts/render.js /tmp/.excalidraw /tmp/.png\nSend — Send the PNG via message tool with filePath" }, { "title": "Quick Reference", "body": "node /scripts/render.js input.excalidraw output.png" }, { "title": "Element Types", "body": "TypeShapeKey PropsrectangleBoxx, y, width, heightellipseOvalx, y, width, heightdiamondDecisionx, y, width, heightarrowArrowconnects shapes (see Arrow Binding below)lineLinex, y, points: [[0,0],[dx,dy]]textLabelx, y, text, fontSize, fontFamily (1=hand, 2=sans, 3=code)" }, { "title": "Styling (all shapes)", "body": "{\n \"strokeColor\": \"#1e1e1e\",\n \"backgroundColor\": \"#a5d8ff\",\n \"fillStyle\": \"hachure\",\n \"strokeWidth\": 2,\n \"roughness\": 1,\n \"strokeStyle\": \"solid\"\n}\n\nfillStyle: hachure (diagonal lines), cross-hatch, solid\nroughness: 0=clean, 1=hand-drawn (default), 2=very sketchy" }, { "title": "Arrow Binding (IMPORTANT)", "body": "Always use from/to bindings for arrows. The renderer auto-calculates edge intersection points — no manual coordinate math needed." }, { "title": "Simple arrow (straight, between two shapes)", "body": "{\"type\":\"arrow\",\"id\":\"a1\",\"from\":\"box1\",\"to\":\"box2\",\"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1}\n\nThat's it. No x, y, or points needed. The renderer computes start/end at shape edges." }, { "title": "Multi-segment arrow (routed path with waypoints)", "body": "For arrows that need to go around obstacles, use absolutePoints with intermediate waypoints:\n\n{\n \"type\":\"arrow\",\"id\":\"a2\",\"from\":\"box3\",\"to\":\"box1\",\n \"absolutePoints\": true,\n \"points\": [[375,500],[30,500],[30,127],[60,127]],\n \"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1\n}\n\nFirst point = near source shape edge (will snap to actual edge)\nLast point = near target shape edge (will snap to actual edge)\nMiddle points = absolute waypoint coordinates for routing" }, { "title": "Arrow labels", "body": "Place a separate text element near the arrow midpoint:\n\n{\"type\":\"text\",\"id\":\"label\",\"x\":215,\"y\":98,\"width\":85,\"height\":16,\"text\":\"sends data\",\"fontSize\":10,\"fontFamily\":1,\"strokeColor\":\"#868e96\"}" }, { "title": "Arrow styles", "body": "\"strokeStyle\":\"dashed\" — dashed line\n\"startArrowhead\": true — bidirectional arrow" }, { "title": "Template: Flowchart with Bindings", "body": "{\n \"type\": \"excalidraw\",\n \"version\": 2,\n \"elements\": [\n {\"type\":\"rectangle\",\"id\":\"start\",\"x\":150,\"y\":50,\"width\":180,\"height\":60,\"strokeColor\":\"#1e1e1e\",\"backgroundColor\":\"#b2f2bb\",\"fillStyle\":\"hachure\",\"strokeWidth\":2,\"roughness\":1},\n {\"type\":\"text\",\"id\":\"t1\",\"x\":200,\"y\":65,\"width\":80,\"height\":30,\"text\":\"Start\",\"fontSize\":20,\"fontFamily\":1,\"strokeColor\":\"#1e1e1e\"},\n\n {\"type\":\"arrow\",\"id\":\"a1\",\"from\":\"start\",\"to\":\"decision\",\"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1},\n\n {\"type\":\"diamond\",\"id\":\"decision\",\"x\":140,\"y\":170,\"width\":200,\"height\":120,\"strokeColor\":\"#1e1e1e\",\"backgroundColor\":\"#ffec99\",\"fillStyle\":\"hachure\",\"strokeWidth\":2,\"roughness\":1},\n {\"type\":\"text\",\"id\":\"t2\",\"x\":185,\"y\":215,\"width\":110,\"height\":30,\"text\":\"Condition?\",\"fontSize\":18,\"fontFamily\":1,\"strokeColor\":\"#1e1e1e\",\"textAlign\":\"center\"},\n\n {\"type\":\"arrow\",\"id\":\"a2\",\"from\":\"decision\",\"to\":\"process\",\"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1},\n\n {\"type\":\"rectangle\",\"id\":\"process\",\"x\":150,\"y\":350,\"width\":180,\"height\":60,\"strokeColor\":\"#1e1e1e\",\"backgroundColor\":\"#a5d8ff\",\"fillStyle\":\"hachure\",\"strokeWidth\":2,\"roughness\":1},\n {\"type\":\"text\",\"id\":\"t3\",\"x\":190,\"y\":365,\"width\":100,\"height\":30,\"text\":\"Process\",\"fontSize\":20,\"fontFamily\":1,\"strokeColor\":\"#1e1e1e\"}\n ]\n}" }, { "title": "Layout Guidelines", "body": "Node size: 140-200 × 50-70 px\nDiamond: 180-200 × 100-120 px (taller for text)\nVertical spacing: 60-100 px between nodes\nHorizontal spacing: 80-120 px between nodes\nText: Position inside shape manually (offset ~15-30px from top-left of shape)\nArrow labels: Place as separate text elements near midpoint of arrow path" }, { "title": "Color Palette", "body": "Fills: #a5d8ff (blue), #b2f2bb (green), #ffec99 (yellow), #ffc9c9 (red), #d0bfff (purple), #f3d9fa (pink), #fff4e6 (cream)\nStrokes: #1e1e1e (dark), #1971c2 (blue), #2f9e44 (green), #e8590c (orange), #862e9c (purple)\nLabels: #868e96 (gray, for annotations)" }, { "title": "Tips", "body": "Every element needs a unique id (required for binding!)\nUse from/to on arrows — don't calculate coordinates manually\nroughness:0 for clean diagrams, 1 for sketchy feel\nText fontFamily:1 for hand-drawn, 3 for code\nGroup related elements spatially, color-code by type\nFor nested layouts, use a large background rectangle as a container" } ], "body": "Excalidraw Creator\n\nGenerate beautiful hand-drawn style diagrams rendered as PNG images.\n\nWorkflow\nGenerate JSON — Write Excalidraw element array based on what the user wants\nSave to file — Write JSON to /tmp/.excalidraw\nRender — node /scripts/render.js /tmp/.excalidraw /tmp/.png\nSend — Send the PNG via message tool with filePath\nQuick Reference\nnode /scripts/render.js input.excalidraw output.png\n\nElement Types\nType\tShape\tKey Props\nrectangle\tBox\tx, y, width, height\nellipse\tOval\tx, y, width, height\ndiamond\tDecision\tx, y, width, height\narrow\tArrow\tconnects shapes (see Arrow Binding below)\nline\tLine\tx, y, points: [[0,0],[dx,dy]]\ntext\tLabel\tx, y, text, fontSize, fontFamily (1=hand, 2=sans, 3=code)\nStyling (all shapes)\n{\n \"strokeColor\": \"#1e1e1e\",\n \"backgroundColor\": \"#a5d8ff\",\n \"fillStyle\": \"hachure\",\n \"strokeWidth\": 2,\n \"roughness\": 1,\n \"strokeStyle\": \"solid\"\n}\n\n\nfillStyle: hachure (diagonal lines), cross-hatch, solid roughness: 0=clean, 1=hand-drawn (default), 2=very sketchy\n\nArrow Binding (IMPORTANT)\n\nAlways use from/to bindings for arrows. The renderer auto-calculates edge intersection points — no manual coordinate math needed.\n\nSimple arrow (straight, between two shapes)\n{\"type\":\"arrow\",\"id\":\"a1\",\"from\":\"box1\",\"to\":\"box2\",\"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1}\n\n\nThat's it. No x, y, or points needed. The renderer computes start/end at shape edges.\n\nMulti-segment arrow (routed path with waypoints)\n\nFor arrows that need to go around obstacles, use absolutePoints with intermediate waypoints:\n\n{\n \"type\":\"arrow\",\"id\":\"a2\",\"from\":\"box3\",\"to\":\"box1\",\n \"absolutePoints\": true,\n \"points\": [[375,500],[30,500],[30,127],[60,127]],\n \"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1\n}\n\nFirst point = near source shape edge (will snap to actual edge)\nLast point = near target shape edge (will snap to actual edge)\nMiddle points = absolute waypoint coordinates for routing\nArrow labels\n\nPlace a separate text element near the arrow midpoint:\n\n{\"type\":\"text\",\"id\":\"label\",\"x\":215,\"y\":98,\"width\":85,\"height\":16,\"text\":\"sends data\",\"fontSize\":10,\"fontFamily\":1,\"strokeColor\":\"#868e96\"}\n\nArrow styles\n\"strokeStyle\":\"dashed\" — dashed line\n\"startArrowhead\": true — bidirectional arrow\nTemplate: Flowchart with Bindings\n{\n \"type\": \"excalidraw\",\n \"version\": 2,\n \"elements\": [\n {\"type\":\"rectangle\",\"id\":\"start\",\"x\":150,\"y\":50,\"width\":180,\"height\":60,\"strokeColor\":\"#1e1e1e\",\"backgroundColor\":\"#b2f2bb\",\"fillStyle\":\"hachure\",\"strokeWidth\":2,\"roughness\":1},\n {\"type\":\"text\",\"id\":\"t1\",\"x\":200,\"y\":65,\"width\":80,\"height\":30,\"text\":\"Start\",\"fontSize\":20,\"fontFamily\":1,\"strokeColor\":\"#1e1e1e\"},\n\n {\"type\":\"arrow\",\"id\":\"a1\",\"from\":\"start\",\"to\":\"decision\",\"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1},\n\n {\"type\":\"diamond\",\"id\":\"decision\",\"x\":140,\"y\":170,\"width\":200,\"height\":120,\"strokeColor\":\"#1e1e1e\",\"backgroundColor\":\"#ffec99\",\"fillStyle\":\"hachure\",\"strokeWidth\":2,\"roughness\":1},\n {\"type\":\"text\",\"id\":\"t2\",\"x\":185,\"y\":215,\"width\":110,\"height\":30,\"text\":\"Condition?\",\"fontSize\":18,\"fontFamily\":1,\"strokeColor\":\"#1e1e1e\",\"textAlign\":\"center\"},\n\n {\"type\":\"arrow\",\"id\":\"a2\",\"from\":\"decision\",\"to\":\"process\",\"strokeColor\":\"#1e1e1e\",\"strokeWidth\":2,\"roughness\":1},\n\n {\"type\":\"rectangle\",\"id\":\"process\",\"x\":150,\"y\":350,\"width\":180,\"height\":60,\"strokeColor\":\"#1e1e1e\",\"backgroundColor\":\"#a5d8ff\",\"fillStyle\":\"hachure\",\"strokeWidth\":2,\"roughness\":1},\n {\"type\":\"text\",\"id\":\"t3\",\"x\":190,\"y\":365,\"width\":100,\"height\":30,\"text\":\"Process\",\"fontSize\":20,\"fontFamily\":1,\"strokeColor\":\"#1e1e1e\"}\n ]\n}\n\nLayout Guidelines\nNode size: 140-200 × 50-70 px\nDiamond: 180-200 × 100-120 px (taller for text)\nVertical spacing: 60-100 px between nodes\nHorizontal spacing: 80-120 px between nodes\nText: Position inside shape manually (offset ~15-30px from top-left of shape)\nArrow labels: Place as separate text elements near midpoint of arrow path\nColor Palette\n\nFills: #a5d8ff (blue), #b2f2bb (green), #ffec99 (yellow), #ffc9c9 (red), #d0bfff (purple), #f3d9fa (pink), #fff4e6 (cream) Strokes: #1e1e1e (dark), #1971c2 (blue), #2f9e44 (green), #e8590c (orange), #862e9c (purple) Labels: #868e96 (gray, for annotations)\n\nTips\nEvery element needs a unique id (required for binding!)\nUse from/to on arrows — don't calculate coordinates manually\nroughness:0 for clean diagrams, 1 for sketchy feel\nText fontFamily:1 for hand-drawn, 3 for code\nGroup related elements spatially, color-code by type\nFor nested layouts, use a large background rectangle as a container" }, "trust": { "sourceLabel": "tencent", "provenanceUrl": "https://clawhub.ai/plgonzalezrx8/excalidraw-creator", "publisherUrl": "https://clawhub.ai/plgonzalezrx8/excalidraw-creator", "owner": "plgonzalezrx8", "version": "1.0.0", "license": null, "verificationStatus": "Indexed source record" }, "links": { "detailUrl": "https://openagent3.xyz/skills/excalidraw-creator", "downloadUrl": "https://openagent3.xyz/downloads/excalidraw-creator", "agentUrl": "https://openagent3.xyz/skills/excalidraw-creator/agent", "manifestUrl": "https://openagent3.xyz/skills/excalidraw-creator/agent.json", "briefUrl": "https://openagent3.xyz/skills/excalidraw-creator/agent.md" } }