diff --git a/src/nostalgia/tools/pack.cpp b/src/nostalgia/tools/pack.cpp
index e0ef13ca..b3a98642 100644
--- a/src/nostalgia/tools/pack.cpp
+++ b/src/nostalgia/tools/pack.cpp
@@ -39,7 +39,7 @@ static ox::Error run(const ox::ClArgs &args) noexcept {
 
 	oxReturnError(dst.resize());
 	oxRequire(dstSize, dst.size());
-	oxOutf("new size: {}\n", dstSize);
+	oxOutf("new size: {} bytes\n", dstSize);
 	buff.resize(dstSize);
 
 	oxReturnError(writeFileBuff(argDst, buff));
diff --git a/src/nostalgia/tools/pack/CMakeLists.txt b/src/nostalgia/tools/pack/CMakeLists.txt
index 8468788e..bd8382b9 100644
--- a/src/nostalgia/tools/pack/CMakeLists.txt
+++ b/src/nostalgia/tools/pack/CMakeLists.txt
@@ -15,3 +15,10 @@ install(
 	ARCHIVE DESTINATION
 		lib/nostalgia
 )
+
+install(
+	FILES
+		pack.hpp
+	DESTINATION
+		include/nostalgia/tools/pack
+)
diff --git a/src/nostalgia/tools/pack/pack.cpp b/src/nostalgia/tools/pack/pack.cpp
index 87ecb3df..2b0f46d1 100644
--- a/src/nostalgia/tools/pack/pack.cpp
+++ b/src/nostalgia/tools/pack/pack.cpp
@@ -4,52 +4,82 @@
 
 #include <ox/claw/read.hpp>
 #include <ox/fs/fs.hpp>
+#include <ox/mc/write.hpp>
+#include <ox/model/descwrite.hpp>
+#include <ox/model/modelvalue.hpp>
 
 #include <nostalgia/core/gfx.hpp>
 #include <nostalgia/core/typeconv.hpp>
+#include <nostalgia/core/typestore.hpp>
 
 #include "pack.hpp"
 
 namespace nostalgia {
 
+static ox::Error pathToInode(ox::FileSystem *dest, ox::ModelObject *obj) noexcept {
+	auto &o = *obj;
+	auto type = static_cast<ox::FileAddressType>(o["type"].get<int8_t>());
+	auto &data = o["data"].get<ox::ModelUnion>();
+	ox::String path;
+	switch (type) {
+		case ox::FileAddressType::Path:
+			path = data["path"].get<ox::String>();
+			break;
+		case ox::FileAddressType::ConstPath:
+			path = data["constPath"].get<ox::String>();
+			break;
+		case ox::FileAddressType::Inode:
+		case ox::FileAddressType::None:
+			return OxError(0);
+	}
+	oxRequire(s, dest->stat(path.c_str()));
+	oxReturnError(o["type"].set(static_cast<int8_t>(ox::FileAddressType::Inode)));
+	return data.set(2, s.inode);
+}
+
 /**
  * Convert path references in Claw data to inodes to save space
  * @param buff buffer holding file
  * @return error
  * stub for now
  */
-static ox::Result<ox::Buffer> pathToInode(const ox::Buffer &buff) noexcept {
-	return std::move(buff);
-}
-
-// just strip header for now...
-static ox::Result<ox::Buffer> toMetalClaw(const ox::Buffer &buff) noexcept {
-	oxRequire(hdr, ox::readClawHeader(buff));
-	if (hdr.fmt != ox::ClawFormat::Metal) {
-		return OxError(1, "Cannot convert from Claw to MetalClaw, data portion must already be MetalClaw");
+static ox::Error transformObj(ox::FileSystem *dest, ox::ModelObject *obj) noexcept {
+	for (auto &f : *obj) {
+		auto &v = f->value;
+		if (v.type() != ox::ModelValue::Type::Object) {
+			continue;
+		}
+		auto &o = v.get<ox::ModelObject>();
+		if (o.typeName() == "net.drinkingtea.ox.FileAddress" && o.typeVersion() == 1) {
+			oxReturnError(pathToInode(dest, &o));
+		} else {
+			oxReturnError(transformObj(dest, &o));
+		}
 	}
-	return ox::stripClawHeader(buff);
+	return OxError(0);
 }
 
-static ox::Error doTransformations(ox::FileSystem *dest, const ox::String &filePath) noexcept {
+static ox::Error doTransformations(core::TypeStore *ts, ox::FileSystem *dest, const ox::String &filePath) noexcept {
 	if (filePath.endsWith(".ng") || filePath.endsWith(".npal")) {
 		// load file
-		oxRequireM(buff, dest->read(filePath.c_str()));
+		oxRequire(s, dest->stat(filePath.c_str()));
+		oxRequireM(buff, dest->read(s.inode));
 		if (filePath.endsWith(".ng")) {
 			oxReturnError(core::convertBuffToBuff<core::CompactTileSheet>(buff, ox::ClawFormat::Metal).moveTo(&buff));
 		}
+		oxRequireM(obj, ox::readClaw(ts, buff));
 		// do transformations
-		oxReturnError(pathToInode(buff).moveTo(&buff));
-		oxReturnError(toMetalClaw(buff).moveTo(&buff));
+		oxReturnError(transformObj(dest, &obj));
+		oxReturnError(ox::writeMC(&obj).moveTo(&buff));
 		// write file to dest
-		oxReturnError(dest->write(filePath.c_str(), buff.data(), buff.size()));
+		oxReturnError(dest->write(s.inode, buff.data(), buff.size()));
 	}
 	return OxError(0);
 }
 
 // claw file transformations are broken out because path to inode
 // transformations need to be done after the copy to the new FS is complete
-static ox::Error transformClaw(ox::FileSystem *dest, const ox::String &path) noexcept {
+static ox::Error transformClaw(core::TypeStore *ts, ox::FileSystem *dest, const ox::String &path) noexcept {
 	// copy
 	oxTracef("pack::transformClaw", "path: {}", path);
 	oxRequire(fileList, dest->ls(path));
@@ -58,9 +88,9 @@ static ox::Error transformClaw(ox::FileSystem *dest, const ox::String &path) noe
 		oxRequire(stat, dest->stat(filePath.c_str()));
 		if (stat.fileType == ox::FileType::Directory) {
 			const auto dir = path + name + '/';
-			oxReturnError(transformClaw(dest, dir));
+			oxReturnError(transformClaw(ts, dest, dir));
 		} else {
-			oxReturnError(doTransformations(dest, filePath));
+			oxReturnError(doTransformations(ts, dest, filePath));
 		}
 	}
 	return OxError(0);
@@ -75,9 +105,9 @@ static ox::Error verifyFile(ox::FileSystem *fs, const ox::String &path, const ox
 struct VerificationPair {
 	ox::String path;
 	ox::Buffer buff;
-	VerificationPair(const ox::String &pPath, const ox::Buffer &pBuff) noexcept {
-		path = pPath;
-		buff = pBuff;
+	VerificationPair(const ox::String &pPath, ox::Buffer pBuff) noexcept:
+		path(pPath),
+		buff(std::move(pBuff)) {
 	}
 };
 
@@ -115,7 +145,9 @@ static ox::Error copy(ox::FileSystem *src, ox::FileSystem *dest, const ox::Strin
 
 ox::Error pack(ox::FileSystem *src, ox::FileSystem *dest) noexcept {
 	oxReturnError(copy(src, dest, "/"));
-	oxReturnError(transformClaw(dest, "/"));
+	core::TypeStore ts(src);
+	oxReturnError(ox::buildTypeDef<core::CompactTileSheet>(&ts));
+	oxReturnError(transformClaw(&ts, dest, "/"));
 	return OxError(0);
 }