io.github.predgeAI/whale-data-mcp MCP Server

io.github.predgeAI/whale-data-mcp

Repository Registry

What is the io.github.predgeAI/whale-data-mcp MCP server?

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

How to install io.github.predgeAI/whale-data-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

BUYER_PRIVATE_KEY
secret
Funded Base-mainnet key that signs USDC micropayments. Either this or SOLANA_BUYER_SECRET enables paid tools; the free discovery tool needs neither.
X402_NETWORK
x402 network: 'base' (mainnet, real USDC) or 'base-sepolia' (only against a testnet deployment).
MAX_PRICE_USD
Hard per-call price cap in USD. Calls priced above it are refused before any payment. Default 0.05.
PREDGE_BASE_URL
Override the API base URL. Defaults to the production deployment.
SOLANA_BUYER_SECRET
secret
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.
X402_SOLANA_NETWORK
Solana network: 'solana' (mainnet) or 'solana-devnet'. Defaults to match X402_NETWORK's testnet-ness.
SOLANA_RPC_URL
Optional custom Solana RPC (the public mainnet-beta endpoint is rate-limited).

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "whale-data-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@predge/whale-data-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<YOUR_BUYER_PRIVATE_KEY>",
        "X402_NETWORK": "<YOUR_X402_NETWORK>",
        "MAX_PRICE_USD": "<YOUR_MAX_PRICE_USD>",
        "PREDGE_BASE_URL": "<YOUR_PREDGE_BASE_URL>",
        "SOLANA_BUYER_SECRET": "<YOUR_SOLANA_BUYER_SECRET>",
        "X402_SOLANA_NETWORK": "<YOUR_X402_SOLANA_NETWORK>",
        "SOLANA_RPC_URL": "<YOUR_SOLANA_RPC_URL>"
      }
    }
  }
}

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