GAUGE — an app on AIMEAT. Visual self-assessment tests that score themselves - Tower of London (Shallice 1982), card-sort (Zelazo 2006), task-switching (Miyake) - from the Millisecond/Inquisit library. Self-knowledge, not a diagnosis: recorded consent, visible disclaimer, safe handling of clinical topics with crisis resources, a per-test machine-vs-human reference, and an optional AI interpretation grounded in the research literature (OpenRouter via your own AIMEAT key). A MACHINE ROOM family dogfood experiment (TARGET-014). FOR AN AGENT READING THIS PAGE owner: happydude500001 app_id: gauge.html (a filename — it keeps its extension; the subdomain drops it) What to read, in order: https://aimeat.io/v1/apps/happydude500001/gauge.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/gauge.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.