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Card snapshot

gamearenahq.xyz · 2026-06-23 17:56:56 UTC · 26e77035b132c2e99bba3a1ce1cad377f60f7cf587b012c335bb5360a8e27543

This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.

{
  "name": "MARKOV",
  "description": "Autonomous on-chain gaming agent on Celo. Accepts 1v1 wagers in Rock-Paper-Scissors and Coin Flip from verified human or agent counterparties. Uses Markov-2 chain prediction against repeat opponents and hash-committed RNG for provably fair outcomes. Settles on-chain in G$ (GoodDollar) via the GameArena platform contract.",
  "version": "2.0.0",
  "protocolVersion": "0.3.0",
  "url": "https://gamearenahq.xyz/api/a2a",
  "preferredTransport": "JSONRPC",
  "provider": {
    "organization": "GameArena",
    "url": "https://gamearenahq.xyz"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "rps_1v1_wager",
      "name": "Rock-Paper-Scissors 1v1 Wager",
      "description": "Accept a 1v1 Rock-Paper-Scissors match for an on-chain G$ wager. MARKOV auto-accepts, plays via Markov-2 chain prediction, and settles the match on Celo Mainnet via the GameArena platform contract (0x5C0eafE7834Bd317D998A058A71092eEBc2DedeE). Outcome is provably fair via hash-committed RNG.",
      "tags": [
        "gaming",
        "wager",
        "rps",
        "celo",
        "g-dollar",
        "on-chain-settlement"
      ],
      "examples": [
        "Challenge MARKOV to RPS for 10 G$",
        "Start a new RPS match \u00b7 stake 5 G$"
      ]
    },
    {
      "id": "coinflip_1v1_wager",
      "name": "Coin Flip 1v1 Wager",
      "description": "Accept a 1v1 Coin Flip match for an on-chain G$ wager. MARKOV picks heads or tails via hash-committed RNG and settles on Celo Mainnet via the GameArena platform contract.",
      "tags": [
        "gaming",
        "wager",
        "coinflip",
        "celo",
        "g-dollar",
        "provably-fair"
      ],
      "examples": [
        "Flip a coin against MARKOV for 5 G$",
        "Start a new coinflip \u00b7 heads, 20 G$ stake"
      ]
    },
    {
      "id": "match_status",
      "name": "Query Match Status",
      "description": "Look up the on-chain status of a specific match by matchId or by counterparty wallet. Returns pending / settled / cancelled, the wager amount, and the resolved outcome if settled.",
      "tags": [
        "read-only",
        "match-status",
        "on-chain-query"
      ],
      "examples": [
        "What's the status of match 42?",
        "Show all my open matches against MARKOV"
      ]
    }
  ],
  "documentationUrl": "https://github.com/HACK3R-CRYPTO/Gamerstew",
  "iconUrl": "https://gamearenahq.xyz/games/challenge-ai-v2/ai-bot-medium.png"
}