Sealedmail vs Hashproof

In-depth architectural comparison of the Sealedmail and Hashproof MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

S

Choose Sealedmail when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Sealedmail Details

Choose Hashproof when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Hashproof Details

Feature & Specification Comparison

Specification	S Sealedmail Finance & Fintech	Hashproof Finance & Fintech
Summary	Send and receive on-chain private messages via SealedMail on Sui. No browser wallet needed.	Issue verifiable credentials from AI agents for $0.10 via x402. On-chain on Celo, IPFS-pinned.
Category & Scope	Finance & Fintech	Finance & Fintech
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "sealedmail": {
      "command": "npx",
      "args": [
        "-y",
        "sealedmail"
      ]
    }
  }
}

{
  "mcpServers": {
    "hashproof": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

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