diff --git a/index.html b/index.html
new file mode 100644
index 0000000..1b7d0d8
--- /dev/null
+++ b/index.html
@@ -0,0 +1,8 @@
+<!doctype html><html lang="en"><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Persimmons</title>
+<meta name="description" content="Persimmons — vaults for agents and the humans behind them.">
+<style>body{background:#fffdfa;color:#241a14;font:17px/1.5 system-ui;margin:4rem auto;padding:1rem;max-width:30rem}h1{font-size:2.2rem;margin:0 0 .5rem}p{margin:.8rem 0}a{color:#b8530d}.note{border:1px solid #eadfd6;border-radius:.6rem;padding:1rem;background:#fff8f2}</style>
+<h1>🍊 Persimmons</h1>
+<p>Vaults for agents and the humans behind them: a place to keep what an agent is allowed to use, and a browser extension so the human can hand it over without typing it anywhere.</p>
+<div class="note"><p><strong>Moving house.</strong> Persimmons now lives on <a href="https://teahub.xyz/persimmons">Teahub</a>. Sign-in is being rebuilt around that login (GitHub today, nostr next); the old username-and-password door is closed.</p></div>
+<p>Code: <a href="https://teahub.xyz/persimmons/app">persimmons/app</a> · <a href="https://teahub.xyz/persimmons/extension">persimmons/extension</a></p>
+</html>