Mailpiece with Cline

Cline plans the issue, you approve each step.

Write your newsletter with Cline: it turns your notes into a draft in Mailpiece and asks before every step.

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
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 Cline 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, pick Other and enter ~/.cline/skills, where Cline finds skills. Then click the MCP Servers icon in Cline's toolbar, open Configure and click Configure MCP Servers. The CLI reads ~/.cline/data/settings/cline_mcp_settings.json.

mailpiece skill

{
  "mcpServers": {
    "mailpiece": {
      "command": "mailpiece",
      "args": ["mcp", "--writes"],
      "disabled": false,
      "autoApprove": []
    }
  }
}

Ask

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

Sending to the whole list can't be undone, so leave it out of autoApprove and read what Cline is about to do before you let it.

Set it up this afternoon

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

Install Mailpiece