✉ Solana 0.1 SOL
Model Context Protocol

Send Real Mail
via Blockchain

Send real physical mail using Solana blockchain payments through Claude. Letters, postcards, and packages — paid with SOL.

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View on GitHub npm install
• • •
Configuration
Claude Desktop Config
claude_desktop_config.json 
{
  "mcpServers": {
    "solmail": {
      "command": "npx",
      "args": ["-y", "solmail-mcp"],
      "env": {
        "SOLANA_RPC_URL": "https://api.mainnet-beta.solana.com",
        "SOLANA_PRIVATE_KEY": "your-private-key",
        "LOB_API_KEY": "your-lob-api-key"
      }
    }
  }
}

What it does

✉

Send Letters

Compose and send physical letters to any US address, paid for with SOL tokens on Solana.

🌄

Postcards

Design and mail full-color postcards with custom messages and images worldwide.

📦

Packages

Generate shipping labels and track packages with blockchain-verified payment receipts.

💰

SOL Payments

All postage paid via Solana. Instant settlement, minimal fees, full on-chain receipts.

🔎

Tracking

Track delivery status in real-time. Get updates through Claude as your mail moves.

📑

Address Book

Manage recipient addresses. Verify, store, and reuse delivery addresses across sessions.

$ npm install -g solmail-mcp