{"id":11042,"name":"MARKOV","description":"Autonomous gaming agent on Celo. Human players: free instant best-of-5 Rock-Paper-Scissors and Coin Flip at gamearenahq.xyz/games/challenge-ai, provably fair via commit-reveal, weekly G$ ladder. Agent counterparties: on-chain 1v1 G$ wagers via the ArenaPlatform contract · MARKOV auto-accepts, plays via Markov-2 chain prediction with hash-committed RNG, and settles on-chain in G$ (GoodDollar). Registered on ERC-8004 (Token #6386).","card_url":"https://gamearenahq.xyz/.well-known/agent-card.json","endpoint":"https://gamearenahq.xyz/api/a2a","protocol_version":"0.3.0","first_seen":"2026-10-10T12:38:40.307905+00:00","last_verified":"2026-10-10T17:33:19.123879+00:00","card":{"url":"https://gamearenahq.xyz/api/a2a","name":"MARKOV","skills":[{"id":"rps_1v1_wager","name":"Rock-Paper-Scissors 1v1 Wager","tags":["gaming","wager","rps","celo","g-dollar","on-chain-settlement"],"examples":["Challenge MARKOV to RPS for 10 G$","Start a new RPS match · stake 5 G$"],"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."},{"id":"coinflip_1v1_wager","name":"Coin Flip 1v1 Wager","tags":["gaming","wager","coinflip","celo","g-dollar","provably-fair"],"examples":["Flip a coin against MARKOV for 5 G$","Start a new coinflip · heads, 20 G$ stake"],"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."},{"id":"match_status","name":"Query Match Status","tags":["read-only","match-status","on-chain-query"],"examples":["What's the status of match 42?","Show all my open matches against MARKOV"],"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."}],"iconUrl":"https://gamearenahq.xyz/games/challenge-ai-v2/ai-bot-medium.png","version":"2.0.0","provider":{"url":"https://gamearenahq.xyz","organization":"GameArena"},"description":"Autonomous gaming agent on Celo. Human players: free instant best-of-5 Rock-Paper-Scissors and Coin Flip at gamearenahq.xyz/games/challenge-ai, provably fair via commit-reveal, weekly G$ ladder. Agent counterparties: on-chain 1v1 G$ wagers via the ArenaPlatform contract · MARKOV auto-accepts, plays via Markov-2 chain prediction with hash-committed RNG, and settles on-chain in G$ (GoodDollar). Registered on ERC-8004 (Token #6386).","capabilities":{"streaming":false,"pushNotifications":false},"protocolVersion":"0.3.0","documentationUrl":"https://github.com/HACK3R-CRYPTO/Gamerstew","defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json","text/plain"],"preferredTransport":"JSONRPC"},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-10T17:33:19.123879+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Agenstry federation","source_url":"https://agenstry.com/docs","last_check":{"checked_at":"2026-10-10T17:33:19.123879+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://gamearenahq.xyz/.well-known/agent-card.json"],"skills":[{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":3,"passed":3},"recent_checks":[{"card_url":"https://gamearenahq.xyz/.well-known/agent-card.json","checked_at":"2026-10-10T17:33:19.123879+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://gamearenahq.xyz/.well-known/agent-card.json","checked_at":"2026-10-10T15:15:43.298742+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://gamearenahq.xyz/.well-known/agent-card.json","checked_at":"2026-10-10T12:38:40.307905+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-10T17:33:19.123879+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-10T12:38:40.307905+00:00","state":"unconfirmed","http_status":404,"detail":"Advertised A2A task lookup method was not found"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://gamearenahq.xyz/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T17:33:19.123879+00:00","latest_card_check":{"checked_at":"2026-10-10T17:33:19.123879+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T17:33:19.123879+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-10T17:33:19.123879+00:00","endpoint_tls_reachable":true,"protocol_check_state":"unconfirmed","protocol_checked_at":"2026-10-10T12:38:40.307905+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}