Mailpiece with Codex

Your newsletter, one prompt away in Codex.

Write your newsletter from Codex: give it your notes and it writes the draft straight into Mailpiece.

With Mailpiece

What you get

Turn these notes into a draft post
Send me a test of the draft
Schedule it for Monday at 8
Who subscribed since the last issue?
Which addresses bounced?

Sign in

Build the CLI as the agents guide shows and make a read and write token under Profile › Personal access tokens, so Codex can draft, test and schedule. The account number is the one in the app's address.

mailpiece auth login TOKEN --account 834206594 --api-url https://app.example.com
mailpiece doctor

Connect

Run mailpiece skill and pick Codex, then add the server. One setup serves the CLI, the IDE extension and the app.

mailpiece skill
codex mcp add mailpiece -- mailpiece mcp --writes

# or, in ~/.codex/config.toml
[mcp_servers.mailpiece]
command = "mailpiece"
args = ["mcp", "--writes"]

Ask

"Turn these notes into a draft and send me a test."

Sending to the whole list can't be undone, so read what Codex is about to do before you let it.

Set it up this afternoon

Install Mailpiece on a server, connect Codex, and send your next issue.

Install Mailpiece