Magic Envelope

Connect it to your AI

Claude Code

claude mcp add --transport http invitations https://magic-envelope.com/api/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://magic-envelope.com/api/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "invitations": {
      "url": "https://magic-envelope.com/api/mcp"
    }
  }
}

Tools it offers

6 tools, as the server itself reported during our check on Oct 31, 2026.

• get_catalogStyles, occasion presets, block types (with examples), envelope slots, stamps and seal options. Call this first. Each preset has a for list: match the person's words to it (house party, fiesta, quedada → party; cineforum
• create_letterCreate and publish an invitation or letter. Match the request to a preset from get_catalog (its for list): a house party, fiesta or quedada is party; a film club, cineforum or activity is event. Tonight is today's local
• get_letterRead a letter you created (needs its editKey): its content, links, images, and the guests' RSVP answers (yes / maybe / no, plus who hasn't answered).
• update_letterChange a letter. Only the fields you send change (lang, style… are kept). Links keep working. You may send the same object get_letter returned, including its card wrapper — it is applied. A body with no letter fields is
• delete_letterDelete a letter for good (needs its editKey): its links stop working, and guest names, RSVP answers, images and its app rating are erased.
• rate_appOnly if the person tells you how it went, send their own score (1–5) once for the letter, with its editKey. Never rate on your own or assume a score. Agent ratings are kept as feedback; the public average on the home pag

Questions