Hive MCP Server

ISC License

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sign_message

Sign messages securely using a Hive private key retrieved from environment variables. Supports 'posting', 'active', or 'memo' key types for blockchain-based authentication through the Hive MCP Server.

Instructions

Sign a message using a Hive private key from environment variables.

Input Schema

Name	Required	Description	Default
`key_type`	No	Type of key to use: 'posting', 'active', or 'memo'. Defaults to 'posting' if not specified.	posting
`message`	Yes	Message to sign (must not be empty)

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "key_type": {
      "default": "posting",
      "description": "Type of key to use: 'posting', 'active', or 'memo'. Defaults to 'posting' if not specified.",
      "enum": [
        "posting",
        "active",
        "memo"
      ],
      "type": "string"
    },
    "message": {
      "description": "Message to sign (must not be empty)",
      "minLength": 1,
      "type": "string"
    }
  },
  "required": [
    "message"
  ],
  "type": "object"
}

Install Server

HTTP connection URL

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