approve_token_spending

Approve another address (like a DeFi protocol or exchange) to spend your ERC20 tokens. This is often required before interacting with DeFi protocols.

Input Schema

Name	Required	Description
`amount`	Yes	The amount of tokens to approve in token units, not wei (e.g., '1000' to approve spending 1000 tokens). Use a very large number for unlimited approval.
`network`	No	Network name (e.g., 'ethereum', 'optimism', 'arbitrum', 'base', 'polygon') or chain ID. Defaults to Ethereum mainnet.
`privateKey`	Yes	Private key of the token owner account in hex format (with or without 0x prefix). SECURITY: This is used only for transaction signing and is not stored.
`spenderAddress`	Yes	The contract address being approved to spend your tokens (e.g., a DEX or lending protocol)
`tokenAddress`	Yes	The contract address of the ERC20 token to approve for spending (e.g., '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' for USDC on Ethereum)

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "amount": {
      "description": "The amount of tokens to approve in token units, not wei (e.g., '1000' to approve spending 1000 tokens). Use a very large number for unlimited approval.",
      "type": "string"
    },
    "network": {
      "description": "Network name (e.g., 'ethereum', 'optimism', 'arbitrum', 'base', 'polygon') or chain ID. Defaults to Ethereum mainnet.",
      "type": "string"
    },
    "privateKey": {
      "description": "Private key of the token owner account in hex format (with or without 0x prefix). SECURITY: This is used only for transaction signing and is not stored.",
      "type": "string"
    },
    "spenderAddress": {
      "description": "The contract address being approved to spend your tokens (e.g., a DEX or lending protocol)",
      "type": "string"
    },
    "tokenAddress": {
      "description": "The contract address of the ERC20 token to approve for spending (e.g., '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' for USDC on Ethereum)",
      "type": "string"
    }
  },
  "required": [
    "privateKey",
    "tokenAddress",
    "spenderAddress",
    "amount"
  ],
  "type": "object"
}

EVM MCP Server

approve_token_spending

Input Schema

Input Schema (JSON Schema)

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