MCP server for sending physical mail with Solana cryptocurrency. Colosseum Agent Hackathon submission.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add solmail --env SOLANA_PRIVATE_KEY='<SOLANA_PRIVATE_KEY>' -- npx -y solmail-mcp~/.codex/config.toml
[mcp_servers.solmail]
command = "npx"
args = ["-y", "solmail-mcp"]
env = { SOLANA_PRIVATE_KEY = "<SOLANA_PRIVATE_KEY>" }
# codex mcp add solmail --env SOLANA_PRIVATE_KEY='<SOLANA_PRIVATE_KEY>' -- npx -y solmail-mcp~/.cursor/mcp.json
{
"mcpServers": {
"solmail": {
"command": "npx",
"args": [
"-y",
"solmail-mcp"
],
"env": {
"SOLANA_PRIVATE_KEY": "<SOLANA_PRIVATE_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"solmail": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"solmail-mcp"
],
"env": {
"SOLANA_PRIVATE_KEY": "<SOLANA_PRIVATE_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"solmail": {
"command": "npx",
"args": [
"-y",
"solmail-mcp"
],
"env": {
"SOLANA_PRIVATE_KEY": "<SOLANA_PRIVATE_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"solmail": {
"command": "npx",
"args": [
"-y",
"solmail-mcp"
],
"env": {
"SOLANA_PRIVATE_KEY": "<SOLANA_PRIVATE_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"solmail": {
"command": "npx",
"args": [
"-y",
"solmail-mcp"
],
"env": {
"SOLANA_PRIVATE_KEY": "<SOLANA_PRIVATE_KEY>"
}
}
}
}Environment variables
SOLANA_PRIVATE_KEY
Replace the placeholders with your own credentials and keep them out of version control.