openanvil

Generate native OmniGraffle .graffle files programmatically. Use this skill whenever the user asks to create, build, or generate an OmniGraffle diagram, network diagram, architecture diagram, flowchart, or any visual diagram that should be saved as a .graffle file. Also trigger when the user mentions "OmniGraffle", ".graffle", "graffle file", or asks for diagrams specifically for macOS/iOS diagramming. This skill generates zipped binary plist packages that open natively in OmniGraffle 7+ without any conversion or import steps. Supports: rectangles with colored fills, text labels (RTF), named layers, line connections between shapes, arrows, groups, rotation, dashed lines, multi-point paths, and magnets for connection snapping.