Premier Letters for VS Code

com.premierletters/mcp

Send real pen-written letters, cards and postcards: quote, preview, order and track by mail.

client:VS Code transport:streamable-http tools:8

Install Premier Letters in VS Code

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://www.premierletters.com/api/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs