Best Postcards AI Skills & MCP Servers

1 curated Postcards skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Postals

MCP Registry

Postals — 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, USPS 3-5 day delivery, $4.99 per card). Works with Claude Desktop, Cursor, Claude Code, OpenClaw, n8n, LangC

MCP Registry · ★ 5.0free

About Postcards skills on iClaude

iClaude is the universal install layer for AI skills. Every Postcards skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.

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