What is the bot.mailbox/mailbox MCP server?
Physical mail API for AI agents. Send letters, certified mail. Sandbox + live keys via MCP.
How to install bot.mailbox/mailbox
Copy-paste configuration for popular MCP clients.
AuthorizationrequiredsecretBearer token. Use an agent key (sk_agent_...) for autonomous agents, a sandbox key (sk_agent_test_...) for zero-charge testing on production endpoints, or a member key (sk_live_...) for personal use. Mint keys at https://mailbox.bot/mcp-install.
{
"mcpServers": {
"mailbox": {
"url": "https://mailbox.bot/api/mcp"
}
}
}{
"mcpServers": {
"mailbox": {
"serverUrl": "https://mailbox.bot/api/mcp"
}
}
}{
"servers": {
"mailbox": {
"type": "http",
"url": "https://mailbox.bot/api/mcp"
}
}
}{
"mcpServers": {
"mailbox": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mailbox.bot/api/mcp"
]
}
}
}claude mcp add --transport http mailbox https://mailbox.bot/api/mcpRelated MCP servers
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