Blockchain MCP Server

get-balance

Check the balance of any address on EVM-compatible chains like Ethereum, Polygon, or BSC. Input chain and address details to retrieve real-time or historical wallet balances.

Instructions

Get the balance of an address on any EVM-compatible chain

Input Schema

Name	Required	Description	Default
`address`	Yes	Address to check balance for
`blockTag`	No	Block tag (latest, earliest, pending, or block number)	latest
`chain`	Yes	Chain identifier. Available: ethereum, polygon, bsc, arbitrum, optimism, avalanche, fantom, sepolia

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "address": {
      "description": "Address to check balance for",
      "type": "string"
    },
    "blockTag": {
      "default": "latest",
      "description": "Block tag (latest, earliest, pending, or block number)",
      "type": "string"
    },
    "chain": {
      "description": "Chain identifier. Available: ethereum, polygon, bsc, arbitrum, optimism, avalanche, fantom, sepolia",
      "type": "string"
    }
  },
  "required": [
    "chain",
    "address"
  ],
  "type": "object"
}

Install Server

HTTP connection URL

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