diff --git a/util/uri.go b/util/uri.go
new file mode 100644
index 00000000..cfc6bacb
--- /dev/null
+++ b/util/uri.go
@@ -0,0 +1,30 @@
+package util
+
+import (
+	"fmt"
+	"strings"
+)
+
+type ParsedUri struct {
+	Did        string
+	Collection string
+	Rkey       string
+}
+
+func ParseAtUri(uri string) (*ParsedUri, error) {
+	if !strings.HasPrefix(uri, "at://") {
+		return nil, fmt.Errorf("AT uris must be prefixed with 'at://'")
+	}
+
+	trimmed := strings.TrimPrefix(uri, "at://")
+	parts := strings.Split(trimmed, "/")
+	if len(parts) != 3 {
+		return nil, fmt.Errorf("AT uris must have three parts: did, collection, tid")
+	}
+
+	return &ParsedUri{
+		Did:        parts[0],
+		Collection: parts[1],
+		Rkey:       parts[2],
+	}, nil
+}