MCP Server MCP

io.github.predgeAI/whale-data-mcp

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Signed settled outcomes (Polymarket, sports, Kalshi) + whale signals as agent tools, paid via x402.

Homepage Verified source GitHub

Install

npx -y @predge/[email protected]

Configuration Example

{
  "remotes": [],
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@predge/whale-data-mcp",
      "version": "0.1.9",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Funded Base-mainnet key that signs USDC micropayments. Either this or SOLANA_BUYER_SECRET enables paid tools; the free discovery tool needs neither.",
          "format": "string",
          "isSecret": true,
          "name": "BUYER_PRIVATE_KEY"
        },
        {
          "description": "x402 network: 'base' (mainnet, real USDC) or 'base-sepolia' (only against a testnet deployment).",
          "format": "string",
          "name": "X402_NETWORK"
        },
        {
          "description": "Hard per-call price cap in USD. Calls priced above it are refused before any payment. Default 0.05.",
          "format": "string",
          "name": "MAX_PRICE_USD"
        },
        {
          "description": "Override the API base URL. Defaults to the production deployment.",
          "format": "string",
          "name": "PREDGE_BASE_URL"
        },
        {
          "description": "Funded Solana-mainnet key (64-number JSON array or base58) to also pay on Solana. Optional — either this or BUYER_PRIVATE_KEY enables paid tools.",
          "format": "string",
          "isSecret": true,
          "name": "SOLANA_BUYER_SECRET"
        },
        {
          "description": "Solana network: 'solana' (mainnet) or 'solana-devnet'. Defaults to match X402_NETWORK's testnet-ness.",
          "format": "string",
          "name": "X402_SOLANA_NETWORK"
        },
        {
          "description": "Optional custom Solana RPC (the public mainnet-beta endpoint is rate-limited).",
          "format": "string",
          "name": "SOLANA_RPC_URL"
        }
      ]
    }
  ]
}

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