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Posy is free and open source. Use it at posy.page, or run it on your own server. Your whole page is one small JSON file, so the studio, your AI and your scripts all edit the same thing.
A Posy page in the Desk look: a letter, a polaroid, luggage-tag links on a leather desk pad

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Start here

Quickstart

Make a page on posy.page in about two minutes.

Your first page

Add links, photos and notes, then publish.

Connect an AI app

Claude, ChatGPT, Cursor, VS Code, Claude Code and Codex.

Self-host

Docker, Compose, Vercel with Turso, or any Node host.

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How it fits together

  • The studio at posy.page is the editor. Paste a link and Posy picks the right tile for it.
  • Looks decide how the page is drawn: Desk, Washi, Lofi, Painted, Cobalt and Night. See the looks gallery.
  • The page file is the JSON behind every page. Any chat app can write one, and you can open it at posy.page/new. See the page file.
  • The MCP server at https://posy.page/api/mcp lets AI apps edit and publish your page. See MCP tools.
  • The REST API does the same over HTTP with an API key. See the API reference.
For AI assistants, the whole documentation is in one file at posy.page/llms-full.txt.