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How to send real physical mail from an AI agent — setup, tools, and pricing.

Send a letter from Claude, Cursor, or Codex

The exact per-client setup for the Mailsnail MCP server — add one URL, sign in — plus a 60-second walkthrough to mail yourself a postcard from your agent.

How to send physical mail from an AI agent

Connect the Mailsnail MCP server and have any AI agent mail a real USPS letter, postcard, or certified mail. Nothing to install — add a URL and sign in.

Mailsnail

Mailsnail is an MCP server that lets Claude, Cursor, Codex, and any agent send real letters and postcards via USPS. Add the remote server, sign in from your client, and mail draws against a prepaid balance — or self-host it against your own Click2Mail or Lob account.

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