diff --git a/18.md b/18.md
new file mode 100644
index 00000000..365de9c3
--- /dev/null
+++ b/18.md
@@ -0,0 +1,19 @@
+NIP-18
+======
+
+Reposts
+-------
+
+`draft` `optional` `author:jb55`
+
+A repost is a `kind 6` note that is used to signal to followers
+that another event is worth reading.
+
+The `content` of a repost event is empty.
+
+The repost event MUST include an `e` tag with the `id` of the note that is
+being reposted. That tag SHOULD include a relay URL as its third entry
+to indicate where it can be fetched.
+
+The repost SHOULD include a `p` tag with the `pubkey` of the event being
+reposted.
diff --git a/README.md b/README.md
index 9390916a..947ca702 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ NIPs stand for **Nostr Implementation Possibilities**. They exist to document wh
 - [NIP-14: Subject tag in text events.](14.md)
 - [NIP-15: End of Stored Events Notice](15.md)
 - [NIP-16: Event Treatment](16.md)
+- [NIP-18: Reposts](18.md)
 - [NIP-19: bech32-encoded entities](19.md)
 - [NIP-20: Command Results](20.md)
 - [NIP-21: `nostr:` URL scheme](21.md)