io.github.ExpertVagabond/solmail MCP Server

Name: io.github.ExpertVagabond/solmail MCP Server
Author: io.github.ExpertVagabond

io.github.ExpertVagabond/solmail

Repository Registry

What is the io.github.ExpertVagabond/solmail MCP server?

Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide

How to install io.github.ExpertVagabond/solmail

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

SOLANA_PRIVATE_KEY
required
secret
Your agent's Solana wallet private key (base58 or JSON array format)
SOLANA_NETWORK
Solana network: devnet for testing, mainnet-beta for production
SOLMAIL_API_URL
SolMail API endpoint
MERCHANT_WALLET
Merchant wallet address for payments

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "solmail": {
      "command": "npx",
      "args": [
        "-y",
        "solmail-mcp"
      ],
      "env": {
        "SOLANA_PRIVATE_KEY": "<YOUR_SOLANA_PRIVATE_KEY>",
        "SOLANA_NETWORK": "<YOUR_SOLANA_NETWORK>",
        "SOLMAIL_API_URL": "<YOUR_SOLMAIL_API_URL>",
        "MERCHANT_WALLET": "<YOUR_MERCHANT_WALLET>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "solmail": {
      "command": "npx",
      "args": [
        "-y",
        "solmail-mcp"
      ],
      "env": {
        "SOLANA_PRIVATE_KEY": "<YOUR_SOLANA_PRIVATE_KEY>",
        "SOLANA_NETWORK": "<YOUR_SOLANA_NETWORK>",
        "SOLMAIL_API_URL": "<YOUR_SOLMAIL_API_URL>",
        "MERCHANT_WALLET": "<YOUR_MERCHANT_WALLET>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "solmail": {
      "command": "npx",
      "args": [
        "-y",
        "solmail-mcp"
      ],
      "env": {
        "SOLANA_PRIVATE_KEY": "<YOUR_SOLANA_PRIVATE_KEY>",
        "SOLANA_NETWORK": "<YOUR_SOLANA_NETWORK>",
        "SOLMAIL_API_URL": "<YOUR_SOLMAIL_API_URL>",
        "MERCHANT_WALLET": "<YOUR_MERCHANT_WALLET>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "solmail": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "solmail-mcp"
      ],
      "env": {
        "SOLANA_PRIVATE_KEY": "<YOUR_SOLANA_PRIVATE_KEY>",
        "SOLANA_NETWORK": "<YOUR_SOLANA_NETWORK>",
        "SOLMAIL_API_URL": "<YOUR_SOLMAIL_API_URL>",
        "MERCHANT_WALLET": "<YOUR_MERCHANT_WALLET>"
      }
    }
  }
}

Claude Code

claude mcp add solmail --env SOLANA_PRIVATE_KEY=<YOUR_SOLANA_PRIVATE_KEY> --env SOLANA_NETWORK=<YOUR_SOLANA_NETWORK> --env SOLMAIL_API_URL=<YOUR_SOLMAIL_API_URL> --env MERCHANT_WALLET=<YOUR_MERCHANT_WALLET> -- npx -y solmail-mcp