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"
}