diff --git a/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/model/event/NoStrEventTag.java b/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/model/event/NoStrEventTag.java
index d6fee12..6812ce2 100644
--- a/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/model/event/NoStrEventTag.java
+++ b/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/model/event/NoStrEventTag.java
@@ -10,8 +10,6 @@ import jakarta.json.Json;
 import jakarta.json.JsonArray;
 import jakarta.json.JsonValue;
 import love.distributedrebirth.no2all.nostr.NoStrGospel;
-import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagE;
-import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagNonce;
 import love.distributedrebirth.no2all.nostr.nip.NoStrImplEventTag;
 import love.distributedrebirth.no2all.nostr.nip.NoStrImplEventTagArgument;
 
@@ -72,11 +70,11 @@ public interface NoStrEventTag extends NoStrGospel {
 	static NoStrEventTag valueOf(NoStrEventTagMeta meta, String[] args) {
 		Objects.requireNonNull(meta);
 		Objects.requireNonNull(args);
-		if (NoStrImplEventTag.E.equals(meta)) {
-			return new NoStrTagE(args);
-		}
-		if (NoStrImplEventTag.NONCE.equals(meta)) {
-			return new NoStrTagNonce(args);
+		if (meta instanceof NoStrImplEventTag) {
+			NoStrImplEventTag metaTag = NoStrImplEventTag.class.cast(meta);
+			if (metaTag.getMapperToEventTag().isPresent()) {
+				return metaTag.getMapperToEventTag().get().apply(args);
+			}
 		}
 		return new NoStrEventTagCustom(meta, args);
 	}
diff --git a/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/nip/NoStrImplEventTag.java b/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/nip/NoStrImplEventTag.java
index 83e0a18..2469f16 100644
--- a/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/nip/NoStrImplEventTag.java
+++ b/no2all-nostr/src/main/java/love/distributedrebirth/no2all/nostr/nip/NoStrImplEventTag.java
@@ -4,52 +4,73 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Optional;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 
+import love.distributedrebirth.no2all.nostr.model.event.NoStrEventTag;
 import love.distributedrebirth.no2all.nostr.model.event.NoStrEventTagMeta;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagA;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagClient;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagContentWarning;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagD;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagDescription;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagE;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagI;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagImage;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagName;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagNonce;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagP;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagPublishedAt;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagR;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagSubject;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagSummary;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagT;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagThumb;
+import love.distributedrebirth.no2all.nostr.model.tag.NoStrTagTitle;
 
 public enum NoStrImplEventTag implements NoStrEventTagMeta {
 
 	// the "p" tag is used for referencing public keys
-	P		(NoStrImpl.NIP_1_BASE_PROTOCOL),
+	P		(v -> new NoStrTagP(v), NoStrImpl.NIP_1_BASE_PROTOCOL),
 	// the "e" tag for referencing event ids
-	E		(NoStrImpl.NIP_1_BASE_PROTOCOL, NoStrImpl.NIP_10_CORRECT_BASE_TAGS),
+	E		(v -> new NoStrTagE(v), NoStrImpl.NIP_1_BASE_PROTOCOL, NoStrImpl.NIP_10_CORRECT_BASE_TAGS),
 	
 	// ["a", "<kind>:<pubkey>:<d-identifier>", "<relay url>"]
-	A		(NoStrImpl.NIP_23_LONG_FORM_CONTENT, NoStrImpl.NIP_33_PARA_REPLACEABLE_EVENTS),
-	I		(NoStrImpl.NIP_39_EXT_INDENTITIES_IN_PROFILE),
+	A		(v -> new NoStrTagA(v), NoStrImpl.NIP_23_LONG_FORM_CONTENT, NoStrImpl.NIP_33_PARA_REPLACEABLE_EVENTS),
+	I		(v -> new NoStrTagI(v), NoStrImpl.NIP_39_EXT_INDENTITIES_IN_PROFILE),
 	// the "d" tag is a delete slug key for "pubkey:kind:d" + time, empty is def key
-	D		(NoStrImpl.NIP_33_PARA_REPLACEABLE_EVENTS), // TODO: add single tag info + check
-	T		(NoStrImpl.NIP_12_GENERIC_TAG_QUERY),
-	R		(NoStrImpl.NIP_12_GENERIC_TAG_QUERY),
+	D		(v -> new NoStrTagD(v), NoStrImpl.NIP_33_PARA_REPLACEABLE_EVENTS), // TODO: add single tag info + check
+	T		(v -> new NoStrTagT(v), NoStrImpl.NIP_12_GENERIC_TAG_QUERY),
+	R		(v -> new NoStrTagR(v), NoStrImpl.NIP_12_GENERIC_TAG_QUERY),
 	G		(NoStrImpl.NIP_12_GENERIC_TAG_QUERY),
 
 	CHALLENGE		(NoStrImpl.NIP_42_AUTH_RELAY),
 	RELAY			(NoStrImpl.NIP_42_AUTH_RELAY),
 
-	TITLE			(NoStrImpl.NIP_23_LONG_FORM_CONTENT),
-	SUMMARY			(NoStrImpl.NIP_23_LONG_FORM_CONTENT),
-	PUBLISHED_AT	(NoStrImpl.NIP_23_LONG_FORM_CONTENT),
-	IMAGE			(NoStrImpl.NIP_23_LONG_FORM_CONTENT, NoStrImpl.NIP_58_BADGES),
+	TITLE			(v -> new NoStrTagTitle(v), NoStrImpl.NIP_23_LONG_FORM_CONTENT),
+	SUMMARY			(v -> new NoStrTagSummary(v), NoStrImpl.NIP_23_LONG_FORM_CONTENT),
+	PUBLISHED_AT	(v -> new NoStrTagPublishedAt(v), NoStrImpl.NIP_23_LONG_FORM_CONTENT),
+	IMAGE			(v -> new NoStrTagImage(v), NoStrImpl.NIP_23_LONG_FORM_CONTENT, NoStrImpl.NIP_58_BADGES),
 
 	ZAP				(NoStrImpl.NIP_57_LIGHTING_ZAPS),
 	LNURL			(NoStrImpl.NIP_57_LIGHTING_ZAPS),
 	AMOUNT			(NoStrImpl.NIP_57_LIGHTING_ZAPS),
 	BOLT11			(NoStrImpl.NIP_57_LIGHTING_ZAPS),
 	PREIMAGE		(NoStrImpl.NIP_57_LIGHTING_ZAPS),
-	DESCRIPTION		(NoStrImpl.NIP_57_LIGHTING_ZAPS, NoStrImpl.NIP_58_BADGES),
+	DESCRIPTION		(v -> new NoStrTagDescription(v), NoStrImpl.NIP_57_LIGHTING_ZAPS, NoStrImpl.NIP_58_BADGES),
 	RELAYS			(NoStrImpl.NIP_57_LIGHTING_ZAPS),
 
-	CLIENT			(true, NoStrImpl.NIP_0_UNKNOWN),
-	NONCE			(true, NoStrImpl.NIP_13_PROOF_OF_WORK),
-	SUBJECT			(NoStrImpl.NIP_14_TEXT_SUBJECT),
+	CLIENT			(v -> new NoStrTagClient(v), true, NoStrImpl.NIP_0_UNKNOWN),
+	NONCE			(v -> new NoStrTagNonce(v), true, NoStrImpl.NIP_13_PROOF_OF_WORK),
+	SUBJECT			(v -> new NoStrTagSubject(v), NoStrImpl.NIP_14_TEXT_SUBJECT),
 	DELEGATION		(NoStrImpl.NIP_26_DELEGATED_EVENT_SIGN),
 	EMOJI			(NoStrImpl.NIP_30_CUSTOM_EMOJI),
-	CONTENT_WARNING	(NoStrImpl.NIP_36_SENSITIVE_CONTENT),
+	CONTENT_WARNING	(v -> new NoStrTagContentWarning(v), NoStrImpl.NIP_36_SENSITIVE_CONTENT),
 	EXPIRATION		(NoStrImpl.NIP_40_EXPIRATION_TIMESTAMP),
 	ALT				(NoStrImpl.NIP_31_ALT_FOR_UNKNOWN),
-	NAME			(NoStrImpl.NIP_58_BADGES),
-	THUMB			(NoStrImpl.NIP_58_BADGES),
+	NAME			(v -> new NoStrTagName(v), NoStrImpl.NIP_58_BADGES),
+	THUMB			(v -> new NoStrTagThumb(v), NoStrImpl.NIP_58_BADGES),
 
 	// Dat Package extensions
 	DPFH			(NoStrImpl.NIP_0_UNKNOWN), // "DAT Package File Hash" with event content = maven://ndaturl+versionhash
@@ -57,22 +78,32 @@ public enum NoStrImplEventTag implements NoStrEventTagMeta {
 
 	private static final Map<String, NoStrEventTagMeta> MAP_QNAME = Collections.unmodifiableMap(
 			Arrays.asList(values()).stream().collect(Collectors.toMap(v -> v.getQName(), v -> v)));
+	private final Optional<Function<String[], NoStrEventTag>> mapperToEventTag;
 	private final String jsonQName;
 	private final NoStrImplPossibility[] nips;
 	private final boolean quariable;
 	private final boolean singleton;
 
 	private NoStrImplEventTag(NoStrImpl... nips) {
-		this(false, nips); // TODO: add info on all needed tags
+		this(null, nips);
+	}
+	
+	private NoStrImplEventTag(Function<String[], NoStrEventTag> mapper, NoStrImpl... nips) {
+		this(mapper, false, nips); // TODO: add info on all needed tags
 	}
 
-	private NoStrImplEventTag(boolean singleton, NoStrImpl... nips) {
+	private NoStrImplEventTag(Function<String[], NoStrEventTag> mapper, boolean singleton, NoStrImpl... nips) {
+		this.mapperToEventTag = Optional.ofNullable(mapper);
 		this.jsonQName = name().toLowerCase().replaceAll("_", "-");
 		this.nips = nips;
 		this.quariable = isQuariable(name());
 		this.singleton = singleton;
 	}
 
+	public Optional<Function<String[], NoStrEventTag>> getMapperToEventTag() {
+		return mapperToEventTag;
+	}
+
 	@Override
 	public String getQName() {
 		return jsonQName;