"Unity3D Game Development Platform" matching MCP connectors:

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.

JPYC (JPY stablecoin) EC platform MCP: product search, x402 gasless checkout, order status.

Bitcoin blockchain MCP server with 17 tools: BTC price/info, mempool fees, transactions, address lookups, blockchain debug, whale alerts, SEC insider trading tracker, web scrape/summarize, systems theory, game theory, capital flows, and Reddit API.

Hosted MCP server for the aarna atv vault data API. 20 tools for listing vaults, fetching NAV, TVL, APY, and aggregate metrics across aarna's tokenized vault platform. Read-only, no setup required.