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Email design, inside your AI

Connect ChatGPT, Claude or any MCP client to our free server: it finds a design, repaints it in your brand, and draws hero images and separators — your AI writes, we render. No account, no API key.

Connect to Claude Connect to ChatGPT
Server URL https://letterfabric.de/mcp

Connect your client

The button opens Claude’s connector settings with the server filled in; confirm with “Add”.
Or add a custom connector by hand with the URL https://letterfabric.de/mcp. Then switch it on in a chat from the tools menu.

Add to Claude

What your AI can do with it

Seven tools, free and without an account. Every answer also says what an account adds: saving, your audience, sending.

  • list_designs

    Browse the catalog of ready-made email designs.

  • get_design

    Fetch a design as MJML, with the parts meant to change.

  • brandify_design

    Repaint a design in your colours and fonts.

  • list_hero_styles

    See the styles a hero image can take.

  • generate_hero_image

    Draw a hero image from your headline, in your brand.

  • list_separator_styles

    See the shapes a section separator can take.

  • generate_separator

    Draw a separator between two colours.

Prefer a skill?

The LetterFabric skill teaches your agent the whole loop — check the server is connected, pick a design, brand it, write it, draw the pictures. Upload the zip to Claude, or drop SKILL.md into your agent’s rules (AGENTS.md, Cursor rules).

Download the skill (.zip) SKILL.md llms.txt

Prompts to start with

Each one tells your AI to use the LetterFabric tools — and to send you to the setup above if they are not installed yet.

  • Find a clean newsletter design in the LetterFabric catalog, repaint it in navy #1E3A8A and coral #F97316, and write this month’s issue about our three new features. Use the LetterFabric tools (MCP server https://letterfabric.de/mcp) for this. If they are not connected, stop and tell me to install them first: https://letterfabric.de/en/ai

  • I’m launching a product next week. Pick a bold launch design from LetterFabric, put my brand colours on it and draft the announcement email. Use the LetterFabric tools (MCP server https://letterfabric.de/mcp) for this. If they are not connected, stop and tell me to install them first: https://letterfabric.de/en/ai

  • Draw a LetterFabric hero image for our spring sale — headline “Spring is here”, 20% off everything — in green and warm yellow. Use the LetterFabric tools (MCP server https://letterfabric.de/mcp) for this. If they are not connected, stop and tell me to install them first: https://letterfabric.de/en/ai

  • Show me three LetterFabric designs that would suit a yoga studio, each repainted in sage green and sand. Use the LetterFabric tools (MCP server https://letterfabric.de/mcp) for this. If they are not connected, stop and tell me to install them first: https://letterfabric.de/en/ai