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postcards

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The agent skill that turns any AI into a direct mail machine. One MCP tool call mails a physical handwritten postcard — real pen-and-ink on real paper, USPS delivery in 3-5 business days, $4.99 per card. Works with Claude Desktop, Cursor, Claude Code, OpenClaw, n8n, LangChain, and any MCP-compatible client.

  • Updated Apr 16, 2026
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Herzly Cards - Living in a time where everything has to be digital, rapid and fast-paced, we often forget the little things that make us feel incredibly comfy and happy. Do you remember the laughter, the warmth around your heart and the butterflies in your stomach from that certain someone? Herzly Cards is a postcard service that allows the user…

  • Updated Jan 27, 2021

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