Signed settled outcomes (Polymarket, sports, Kalshi) + whale signals as agent tools, paid via x402.
Whale-data-mcp is an MCP integration. Signed settled outcomes (Polymarket, sports, Kalshi) + whale signals as agent tools, paid via x402.
The published npm package is @predge/whale-data-mcp, version 0.1.11. Its declared MCP transport is stdio.
The package declares BUYER_PRIVATE_KEY: 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: 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)..
Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.
View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.1.11 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.
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| Variable | Description | Required |
|---|---|---|
| BUYER_PRIVATE_KEY | Funded Base-mainnet key that signs USDC micropayments. Either this or SOLANA_BUYER_SECRET enables paid tools; the free discovery tool needs neither. | Optional |
| X402_NETWORK | x402 network: 'base' (mainnet, real USDC) or 'base-sepolia' (only against a testnet deployment). | Optional |
| MAX_PRICE_USD | Hard per-call price cap in USD. Calls priced above it are refused before any payment. Default 0.05. | Optional |
| PREDGE_BASE_URL | Override the API base URL. Defaults to the production deployment. | Optional |
| SOLANA_BUYER_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. | Optional |
| X402_SOLANA_NETWORK | Solana network: 'solana' (mainnet) or 'solana-devnet'. Defaults to match X402_NETWORK's testnet-ness. | Optional |
| SOLANA_RPC_URL | Optional custom Solana RPC (the public mainnet-beta endpoint is rate-limited). | Optional |
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