solmail for Grok
io.github.expertvagabond/solmail
Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide
client:Grok
transport:stdio
runtime:npm
Install solmail in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"solmail": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"solmail-mcp"
],
"env": {
"SOLANA_PRIVATE_KEY": "<SOLANA_PRIVATE_KEY>",
"SOLANA_NETWORK": "<SOLANA_NETWORK>",
"SOLMAIL_API_URL": "<SOLMAIL_API_URL>",
"MERCHANT_WALLET": "<MERCHANT_WALLET>"
}
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs