{
  "protocolVersion": "0.3.0",
  "name": "Math Challenge content agent",
  "description": "Answers questions about Math Challenge (mathchallenge.app): what the game is, what is free, pricing, and the content of the free written mental-math guides. Read-only; no authentication required.",
  "url": "https://mathchallenge.app/a2a",
  "preferredTransport": "JSONRPC",
  "supportedInterfaces": [
    { "url": "https://mathchallenge.app/a2a", "transport": "JSONRPC", "protocolBinding": "JSONRPC" }
  ],
  "version": "1.0.0",
  "provider": {
    "organization": "Lattice Logic Pte. Ltd.",
    "url": "https://www.latticelogic.app"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": ["text/plain"],
  "defaultOutputModes": ["text/plain"],
  "skills": [
    {
      "id": "about-math-challenge",
      "name": "About Math Challenge",
      "description": "Explains the game, the 7-day free trial, the one-time US$3.14 lifetime purchase, and the always-free Daily Challenge.",
      "tags": ["education", "mental-math", "games"],
      "examples": ["What is Math Challenge?", "How much does Math Challenge cost?"]
    },
    {
      "id": "mental-math-guides",
      "name": "Mental math guides",
      "description": "Returns the text of the free written guides: times tables, mental math tricks, fractions, percentages, and the 36 Magic Tricks.",
      "tags": ["education", "mental-math", "guides"],
      "examples": ["Teach me the times tables tricks", "How do I calculate percentages in my head?"]
    }
  ],
  "supportsAuthenticatedExtendedCard": false
}