MCP Server · Developer Tools

mailbox

Physical mail API for AI agents. Send letters, certified mail, postcards from code via MCP.

Tier 1 sealed by lossy-channel-auto
Source
https://mailbox.bot/mcp-install
Registry namespace
bot.mailbox/mailbox
Imported from
mcp-registry
Pricing
Open Source
Added
May 25, 2026

Seal evidence

Auto-sealed Tier 1 on import from the official MCP Registry. Lossy Channel layers 1–2 to be backfilled by the Foreman.

  • L1-wash

Pinned to 1.0.0

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