get_balance
Pack: etherscan · Endpoint: https://gateway.pipeworx.io/etherscan/mcp
Native-token balance for an address on a supported EVM chain. Defaults to Ethereum mainnet. Accepts chain by slug (ethereum, polygon, bsc, base, arbitrum, optimism, avalanche, fantom, gnosis, linea, scroll, zksync, blast, mantle) or numeric chain ID.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
address | string | yes | 0x address |
chain | string | no | Chain slug or numeric chain ID (default ethereum) |
Example call
curl -X POST https://gateway.pipeworx.io/etherscan/mcp \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"get_balance","arguments":{}}}'
Response shape
Always returns: chain_id, chain_name, address, wei, balance, symbol
| Field | Type | Description |
|---|---|---|
chain_id | number | Numeric chain ID |
chain_name | string | null | Human-readable chain name or null if unknown |
address | string | Queried address |
wei | string | Balance in wei (raw units) |
balance | string | Formatted balance in native token units |
symbol | string | null | Native token symbol or null if unknown |
Full JSON Schema
{
"type": "object",
"properties": {
"chain_id": {
"type": "number",
"description": "Numeric chain ID"
},
"chain_name": {
"type": [
"string",
"null"
],
"description": "Human-readable chain name or null if unknown"
},
"address": {
"type": "string",
"description": "Queried address"
},
"wei": {
"type": "string",
"description": "Balance in wei (raw units)"
},
"balance": {
"type": "string",
"description": "Formatted balance in native token units"
},
"symbol": {
"type": [
"string",
"null"
],
"description": "Native token symbol or null if unknown"
}
},
"required": [
"chain_id",
"chain_name",
"address",
"wei",
"balance",
"symbol"
]
}
Connect
Add this to your MCP client config, or use one-click install buttons:
{
"mcpServers": {
"etherscan": {
"url": "https://gateway.pipeworx.io/etherscan/mcp"
}
}
}
See Getting Started for client-specific install steps.