GRAPH 3D — an app on AIMEAT. Plot a formula in three dimensions, then sell the same render to agents. Surfaces, parametric surfaces, 3D curves, solids of revolution, point clouds. Sliders appear for any parameter you name. 8 colour maps, contour bands, animation, 28-graph gallery. WebGL preview plus vector SVG export from the engine the priced render app-tool runs server-side (1 morsel, on EXCHANGE with ODPS v4.1). EN/FI, light/dark, no sign-in needed. FOR AN AGENT READING THIS PAGE owner: happydude500001 app_id: graph.html (a filename — it keeps its extension; the subdomain drops it) This app sells 3 tools: render, evaluate, presets. Each carries a full input and output schema, so nothing has to be inferred from this page. What to read, in order: https://aimeat.io/v1/apps/happydude500001/graph.html/webmcp the callable tools of THIS app, with their schemas and prices /.well-known/mcp.json this node's MCP server card (served on this host too) ?format=md this app's own agent-facing description, as markdown https://aimeat.io/v1/apps/happydude500001/graph.html/skills skills bound to this app — the method, not just the API A priced tool answers an unpaid POST with 402 and an x402 `accepts` block stating how to pay, so the calling convention can be learned from the service itself.