diff --git a/go.mod b/go.mod
index d194010..bca0305 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ toolchain go1.21.3
 
 require (
 	github.com/fiatjaf/eventstore v0.2.9
-	github.com/fiatjaf/khatru v0.0.12
+	github.com/fiatjaf/khatru v0.1.0
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/nbd-wtf/go-nostr v0.25.7
 	github.com/nbd-wtf/nostr-sdk v0.0.2
diff --git a/main.go b/main.go
index 942e48c..65502bd 100644
--- a/main.go
+++ b/main.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/fiatjaf/eventstore/badger"
 	"github.com/fiatjaf/khatru"
-	"github.com/fiatjaf/khatru/plugins"
+	"github.com/fiatjaf/khatru/policies"
 	"github.com/kelseyhightower/envconfig"
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip11"
@@ -63,19 +63,21 @@ func main() {
 	relay.QueryEvents = append(relay.QueryEvents, db.QueryEvents)
 	relay.DeleteEvent = append(relay.DeleteEvent, db.DeleteEvent)
 	relay.RejectEvent = append(relay.RejectEvent,
-		plugins.PreventLargeTags(64),
-		plugins.PreventTooManyIndexableTags(8, []int{3, 10002}, nil),
-		plugins.PreventTooManyIndexableTags(1000, nil, []int{3, 10002}),
-		plugins.RestrictToSpecifiedKinds(supportedKinds...),
+		policies.PreventLargeTags(100),
+		policies.PreventTooManyIndexableTags(8, []int{3, 10002}, nil),
+		policies.PreventTooManyIndexableTags(1000, nil, []int{3, 10002}),
+		policies.RestrictToSpecifiedKinds(supportedKinds...),
 		rejectEventsFromUsersNotInWhitelist,
 		validateAndFilterReports,
 	)
 	relay.OverwriteFilter = append(relay.OverwriteFilter,
-		plugins.RemoveAllButKinds(supportedKinds...),
+		policies.RemoveAllButKinds(supportedKinds...),
 		removeAuthorsNotWhitelisted,
 	)
 	relay.RejectFilter = append(relay.RejectFilter,
-		plugins.NoSearchQueries,
+		policies.NoSearchQueries,
+		policies.NoEmptyFilters,
+		policies.AntiSyncBots,
 	)
 
 	// load users registry
diff --git a/relay.go b/relay.go
index 584fcd8..7fb8603 100644
--- a/relay.go
+++ b/relay.go
@@ -31,8 +31,22 @@ var supportedKinds = []uint16{
 	10000,
 	10001,
 	10002,
+	10003,
+	10004,
+	10005,
+	10006,
+	10007,
+	10015,
+	10030,
+	30000,
+	30002,
+	30003,
+	30004,
 	30008,
 	30009,
+	30015,
+	30030,
+	30078,
 	30311,
 	31922,
 	31923,