Yes, Sealedmail is free to use.

How do I install Sealedmail?

Sealedmail is a local plugin. Install it using npm package: sealedmail-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Sealedmail need?

Sealedmail requires the following credentials or environment variables: SEALEDMAIL_PRIVATE_KEY. You can find setup instructions on the server detail page.

What AI apps work with Sealedmail?

Sealedmail uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Sealedmail MCP Server

by Thesuitabs

Developer ToolsModerate7.0MCP RegistryLocal

Free

Server data from the Official MCP Registry

Send and receive on-chain private messages via SealedMail on Sui. No browser wallet needed.

About

Send and receive on-chain private messages via SealedMail on Sui. No browser wallet needed.

Security Report

7.0

Moderate7.0Low Risk

Valid MCP server (2 strong, 4 medium validity signals). 3 known CVEs in dependencies (0 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.

5 files analyzed · 4 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

Your Sui wallet private key (suiprivkey1... format from `sui keytool export`)Optional

Environment variable: SEALEDMAIL_PRIVATE_KEY

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-thesuitabs-sealedmail": {
      "env": {
        "SEALEDMAIL_PRIVATE_KEY": "your-sealedmail-private-key-here"
      },
      "args": [
        "-y",
        "sealedmail-mcp"
      ],
      "command": "npx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.