Mailbox
Rank #54,109bot.mailbox/mailbox
Physical mail API for AI agents. Send letters, certified mail. Sandbox + live keys via MCP.
Mailbox is a Model Context Protocol (MCP) server. It ranks #54,109 of 137,492 servers tracked on MCP Toplist. Mailbox is listed on Official MCP, with 2 tracked versions. It was first listed on May 2, 2026 and most recently updated on May 27, 2026.
Ranks ahead of 83,383 of 137,492 servers on MCP Toplist.
Use Mailbox
Hosted remote endpoint gated by authentication — connect via its URL and authenticate with the provider (OAuth flow or an API key/header, per its docs).
claude mcp add --transport http mailbox https://mailbox.bot/api/mcpThis endpoint requires authentication — see the server’s docs for credentials.
[mcp_servers.mailbox]
url = "https://mailbox.bot/api/mcp"Add to ~/.codex/config.toml. This endpoint requires authentication — see the server’s docs for credentials.
https://mailbox.bot/api/mcpSettings → Connectors → “Add custom connector”, then paste this URL. This endpoint requires authentication — see the server’s docs for credentials.
{
"mcpServers": {
"mailbox": {
"url": "https://mailbox.bot/api/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). This endpoint requires authentication — see the server’s docs for credentials.
{
"servers": {
"mailbox": {
"type": "http",
"url": "https://mailbox.bot/api/mcp"
}
}
}Save as .vscode/mcp.json in your workspace. This endpoint requires authentication — see the server’s docs for credentials.
{
"mcpServers": {
"mailbox": {
"serverUrl": "https://mailbox.bot/api/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. This endpoint requires authentication — see the server’s docs for credentials.
{
"mcpServers": {
"mailbox": {
"url": "https://mailbox.bot/api/mcp"
}
}
}This endpoint requires authentication — see the server’s docs for credentials.
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[](https://mcptoplist.com/server/bot.mailbox%2Fmailbox)<a href="https://mcptoplist.com/server/bot.mailbox%2Fmailbox"><img src="https://mcptoplist.com/badge/bot.mailbox%2Fmailbox.svg" alt="MCP Toplist: Top 50% of 137,492" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 1 registry
Available versions (2)
| Version | Published |
|---|---|
| 1.0.1 | May 27, 2026 |
| 1.0.0 | May 2, 2026 |
Frequently asked questions
- Is Mailbox listed on the Official MCP Registry?
- Yes — Mailbox is listed on the Official MCP Registry.
- How many versions does Mailbox have?
- MCP Toplist tracks 2 versions of Mailbox, most recently published on May 27, 2026.
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