Requires Node.js 18+ and a TATUM_API_KEY.
Blockchain Mcp Powered By Tatum source profile. From the maintainer documentation: “Requires Node.js 18+ and a TATUM_API_KEY.”
The documented npm package is @tatumio/blockchain-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares TATUM_API_KEY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| 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. BTC / USD) |
| 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 |
{
"mcpServers": {
"tatumio": {
"command": "npx",
"args": [
"@tatumio/blockchain-mcp"
],
"env": {
"TATUM_API_KEY": "YOUR_TATUM_API_KEY"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| TATUM_API_KEY | Declared in the maintainer’s client configuration. | Check documentation |
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