Last updated
March 16, 2026
MCP profile
Github ExpertVagabond Solmail
Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide
Finance & PaymentsPackageJavaScript/TypeScriptOpen SourceExternal
Visibility
Public
ByRegistry
About This MCP Server
1. Agent composes letter content 2. MCP server validates recipient address 3. Solana transaction is created and signed by agent's wallet 4. Payment is sent to SolMail merchant wallet 5. Transaction signature is submitted to SolMail API 6. SolMail verifies the on-chain payment 7. Letter is printed by fulfillment partner (Lob.com) 8. Letter is mailed via USPS/postal service 9. Tracking info returned to agent
Capabilities
š¬ Send Real Mail: Physical letters printed and mailed to any addressš° Crypto Payments: Pay with SOL on Solana (devnet or mainnet)š Worldwide Delivery: Send to 200+ countriesš¤ AI-Native: Built specifically for AI agent integrationā” Fast & Cheap: Solana's sub-second finality and ~$0.00025 transaction feesš Non-Custodial: Direct wallet control, no intermediaries
What Problems It Solves
- Autonomous Customer Service: AI agents sending thank-you notes or receipts
- AI-Driven Marketing: Personalized postcards generated and sent by AI
- Smart Contracts: Trigger physical mail based on on-chain events
- AI Personal Assistant: "Claude, send a birthday card to my mom"
- Automated Reminders: Physical notifications for important events
Why Use Github ExpertVagabond Solmail?
- š¬ Send Real Mail: Physical letters printed and mailed to any address
- š° Crypto Payments: Pay with SOL on Solana (devnet or mainnet)
- š Worldwide Delivery: Send to 200+ countries
- š¤ AI-Native: Built specifically for AI agent integration
- ā” Fast & Cheap: Solana's sub-second finality and ~$0.00025 transaction fees
- š Non-Custodial: Direct wallet control, no intermediaries
Limitations
- Currently supports plain text letters only (PDF support coming soon)
- Requires wallet with SOL balance
- Subject to postal delivery times (not instant)
- Mail content reviewed by fulfillment partner (Lob.com) for policy compliance
- Production mode requires Lob account verification (1-2 business days)
Specifications
Status
live
Industry
Finance & Payments
Category
General
Server type
Package
Language
JavaScript/TypeScript
License
Open Source
Verified
Yes
Hosting
Hosting Options
- Package
API
Integrate this server into your application. Choose a connection method below.
1
Install
Install command
JavaScript/TypeScript
npm install2
Configure
Configuration
json
{
"mcpServers": {
"solmail": {
"command": "node",
"args": ["/absolute/path/to/solmail-mcp/dist/index.js"],
"env": {
"SOLMAIL_API_URL": "https://solmail.online/api",
"SOLANA_NETWORK": "devnet",
"SOLANA_PRIVATE_KEY": "your_base58_private_key"
}
}
}
}Performance
Usage
Quick Reference
- Name
- Github ExpertVagabond Solmail
- Function
- Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide
- Transport
- Package
- Language
- JavaScript/TypeScript
- Install
- npm install
- Source
- External (Registry)
- License
- Open Source
Get started
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