io.github.ExpertVagabond/solmail is an MCP server that send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide. Its tool list has not been published yet over stdio and sse, requires no API key, and scores 50/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"solmail": {
"env": {
"SOLANA_NETWORK": "devnet",
"SOLANA_PRIVATE_KEY": "your_base58_private_key"
},
"args": [
"-y",
"solmail-mcp"
],
"command": "npx"
}
}
}Are you the author?
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What io.github.ExpertVagabond/solmail does
Send real physical mail using Solana cryptocurrency from your AI agent. A Model Context Protocol server that enables Claude and other AI agents to send physical letters and postcards to real addresses worldwide, paid with SOL. Built for the Colosseum Agent Hackathon (#47).
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'solmail-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
50/100across 5 weighted dimensions
0255075100
22
14
10
−50
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked solmail-mcp against OSV.dev.
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Frequently Asked Questions
- Is io.github.ExpertVagabond/solmail safe to use?
- io.github.ExpertVagabond/solmail has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install io.github.ExpertVagabond/solmail?
- io.github.ExpertVagabond/solmail supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What AI clients work with io.github.ExpertVagabond/solmail?
- io.github.ExpertVagabond/solmail is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.
- Is io.github.ExpertVagabond/solmail actively maintained?
- io.github.ExpertVagabond/solmail is less actively maintained — last commit was 155 days ago. It has 1 GitHub stars.
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