Finance · Developer Tools

Blockchain MCP

tatumio/blockchain-mcp

A Model Context Protocol (MCP) server that exposes the Tatum Blockchain Data API and RPC Gateway so LLM clients can query blockchain data across 130+ networks. Get an API key on the Tatum MCP page or dashboard.

Install

npx @tatumio/blockchain-mcp

Client configuration

{
  "mcpServers": {
    "tatumio": {
      "command": "npx",
      "args": [
        "@tatumio/blockchain-mcp"
      ],
      "env": {
        "TATUM_API_KEY": "<TATUM_API_KEY>"
      }
    }
  }
}

Environment variables

TATUM_API_KEY
Author
@tatumio
Category
Finance, Developer Tools
License
MIT
Updated
Oct 6, 2026

Features

  • 130+ Blockchain Networks: Bitcoin, Ethereum, Solana, Polygon, Arbitrum, Base, Avalanche, and many more.

  • Blockchain Data API: Blocks, transactions, balances, network info, and more.

  • RPC Gateway: Direct access to blockchain RPC endpoints.

Tools (13)

  • get_metadata

    NFT/multitoken metadata by contract address and token IDs

  • get_wallet_balance_by_time

    Native wallet balance at a block or timestamp

  • get_wallet_portfolio

    Wallet portfolio (native, fungible, NFT)

  • get_owners

    Owners of an NFT or token contract

  • check_owner

    Whether an address owns a given token

  • get_transaction_history

    Transaction history for one or more addresses

  • get_block_by_time

    Block info for a timestamp

  • get_tokens

    Token metadata (contract address or native)

  • check_malicious_address

    Security check for a wallet/contract address

  • get_exchange_rate

    Fiat/crypto rate (e.g.

  • gateway_get_supported_chains

    All networks available through the gateway

  • gateway_get_supported_methods

    RPC/REST methods supported for a chain

  • gateway_execute_rpc

    Run a JSON-RPC method or REST call on a chain

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

View all
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The first agentic IDE. The Cursor editor truly merges how developers and AI work together, delivering a magical coding experience.

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VS Code integrates MCP with GitHub Copilot through agent mode, allowing direct interaction with MCP-provided tools in your agentic coding workflow. Configure servers in Claude Desktop, workspace, or user settings, with guided MCP installation and secure handling of secrets in input variables to avoid leaking hardcoded keys.

WindowsMacOSLinuxWeb

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