MetaMask MCP

MIT License

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verify-message

Confirm the authenticity of a signed message by verifying its signature against the provided Ethereum address, ensuring message integrity and origin.

Instructions

Verify that a message was signed by the provided address.

Input Schema

Name	Required	Description
`address`	Yes	The Ethereum address that signed the original message.
`message`	Yes	The message to be verified.
`signature`	Yes	The signature that was generated by signing the message with the address's signer.

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "address": {
      "description": "The Ethereum address that signed the original message.",
      "type": "string"
    },
    "message": {
      "description": "The message to be verified.",
      "type": "string"
    },
    "signature": {
      "description": "The signature that was generated by signing the message with the address's signer.",
      "type": "string"
    }
  },
  "required": [
    "address",
    "message",
    "signature"
  ],
  "type": "object"
}

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