Blockchain IQ x402 Crypto Data MCP Server

Blockchain IQ x402 Crypto Data is an MCP integration. Pay-per-call crypto market data over x402 (USDC on Base). Free catalog and sample without a wallet.

Packages and local setup

The published npm package is blockchainiq-x402-mcp, version 0.1.1. Its declared MCP transport is stdio.

The package declares AGENT_PRIVATE_KEY: Private key of your own EVM wallet holding USDC on Base, used to pay for paid tools. Optional: without it only the free catalog and sample tools return data. Use a dedicated low-balance wallet, never a main wallet. It is read locally to sign payments and is not sent anywhere.; MAX_USDC_PER_CALL: The most, in US dollars, the server will pay for a single call. A request priced above this is refused. Must be a positive number. The dearest call is $0.25.; BLOCKCHAINIQ_BASE_URL: Base URL of the API. Only change this to test against another deployment.; BLOCKCHAINIQ_NETWORK: The one network the wallet will pay on: base (Base mainnet) or base-sepolia (testnet, only for a test deployment). Payment requests on any other network are refused..

Before connecting

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.

Project and source

View the publisher’s registry entry · Project website. This profile uses version 0.1.1 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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