diff --git a/Package.resolved b/Package.resolved
index d7fcfa3c..96962bb2 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "50661037ace32d27f5b63e569f8fa2ccff6d3226fa694da9fc389c49efd15ddd",
+  "originHash" : "18d78a641a729a881369f12bb5a8ed756f270457dc57b6490548b38073085243",
   "pins" : [
     {
       "identity" : "darwinprivateframeworks",
@@ -7,7 +7,7 @@
       "location" : "https://github.com/OpenSwiftUIProject/DarwinPrivateFrameworks.git",
       "state" : {
         "branch" : "main",
-        "revision" : "2af08467b97287e94093e41b8737916a8f383870"
+        "revision" : "eaf7097192194bbd2473dcbc3d9152e3a6d428e0"
       }
     },
     {
diff --git a/Package.swift b/Package.swift
index 02a70812..e3913e09 100644
--- a/Package.swift
+++ b/Package.swift
@@ -147,6 +147,9 @@ let openGraphSPITarget = Target.target(
     name: "OpenGraph_SPI",
     cSettings: sharedCSettings + [
         .define("__COREFOUNDATION_FORSWIFTFOUNDATIONONLY__", to: "1", .when(platforms: .nonDarwinPlatforms)),
+    ],
+    linkerSettings: [
+        .linkedLibrary("z"),
     ]
 )
 let openGraphShimsTarget = Target.target(
diff --git a/Sources/OpenGraph/Graph/Graph.swift b/Sources/OpenGraph/Graph/Graph.swift
index bfd33f49..6c42100d 100644
--- a/Sources/OpenGraph/Graph/Graph.swift
+++ b/Sources/OpenGraph/Graph/Graph.swift
@@ -71,3 +71,33 @@ extension Graph {
     @inlinable
     public static func setOutputValue<Value>(_ value: UnsafePointer<Value>)
 }
+
+#if canImport(Darwin)
+import Foundation
+#endif
+
+extension Graph {
+    public func archiveJSON(name: String?) {
+        #if canImport(Darwin)
+        let options: NSDictionary = [
+            Graph.descriptionFormat: "graph/dict",
+            Graph.descriptionIncludeValues: true,
+        ]
+        guard let description = Graph.description(self, options: options) as? [String: Any] else {
+            return
+        }
+        var name = name ?? "graph"
+        name.append(".ag-json")
+        let path = (NSTemporaryDirectory() as NSString).appendingPathComponent(name)
+        guard let data = try? JSONSerialization.data(withJSONObject: description, options: []) else {
+            return
+        }
+        let url = URL(fileURLWithPath: path)
+        do {
+            try data.write(to: url, options: [])
+            print("Wrote graph data to \"\(path)\".")
+        } catch {
+        }
+        #endif
+    }
+}
diff --git a/Sources/OpenGraphShims/Graph+Debug.swift b/Sources/OpenGraphShims/Graph+Debug.swift
index b0f47da7..830685f6 100644
--- a/Sources/OpenGraphShims/Graph+Debug.swift
+++ b/Sources/OpenGraphShims/Graph+Debug.swift
@@ -9,7 +9,9 @@ import Foundation
 @_spi(Debug)
 extension Graph {
     public var dict: [String: Any]? {
-        let options = ["format": "graph/dict"] as NSDictionary
+        let options = [
+            Graph.descriptionFormat: Graph.descriptionFormatDictionary
+        ] as NSDictionary
         guard let description = Graph.description(nil, options: options) else {
             return nil
         }
@@ -25,7 +27,9 @@ extension Graph {
     // color:
     // - red: is_changed
     public var dot: String? {
-        let options = ["format": "graph/dot"] as NSDictionary
+        let options = [
+            Graph.descriptionFormat: Graph.descriptionFormatDot
+        ] as NSDictionary
         guard let description = Graph.description(self, options: options)
         else {
             return nil
diff --git a/Sources/OpenGraph_SPI/Attribute/AttributeID.hpp b/Sources/OpenGraph_SPI/Attribute/AttributeID.hpp
index f64465f0..de4138ca 100644
--- a/Sources/OpenGraph_SPI/Attribute/AttributeID.hpp
+++ b/Sources/OpenGraph_SPI/Attribute/AttributeID.hpp
@@ -22,7 +22,7 @@ class AttributeID final {
     enum class Kind: uint8_t {
         Direct = 0x0,
         Indirect = 0x1,
-        Nil = 0x2,
+        Null = 0x2,
     };
 private:
     uint32_t _rawValue;
@@ -59,8 +59,8 @@ class AttributeID final {
     }
     
     OG_INLINE OG_CONSTEXPR
-    const bool isNil() const OG_NOEXCEPT {
-        return getKind() == Kind::Nil;
+    const bool isNull() const OG_NOEXCEPT {
+        return getKind() == Kind::Null;
     }
     
     OG_INLINE OG_CONSTEXPR
diff --git a/Sources/OpenGraph_SPI/Attribute/OGAttribute.cpp b/Sources/OpenGraph_SPI/Attribute/OGAttribute.cpp
index 0b0c8e01..2008742d 100644
--- a/Sources/OpenGraph_SPI/Attribute/OGAttribute.cpp
+++ b/Sources/OpenGraph_SPI/Attribute/OGAttribute.cpp
@@ -11,7 +11,7 @@
 #include "../Util/assert.hpp"
 #include <optional>
 
-const OGAttribute OGAttributeNil = OGAttribute(OG::AttributeID::Kind::Nil);
+const OGAttribute OGAttributeNil = OGAttribute(OG::AttributeID::Kind::Null);
 
 OGAttribute OGGraphGetCurrentAttribute() {
     // TODO
diff --git a/Sources/OpenGraph_SPI/Debug/og-debug-server.mm b/Sources/OpenGraph_SPI/Debug/og-debug-server.mm
index 9a0db8b5..1b5e6a56 100644
--- a/Sources/OpenGraph_SPI/Debug/og-debug-server.mm
+++ b/Sources/OpenGraph_SPI/Debug/og-debug-server.mm
@@ -202,7 +202,7 @@
             NSString *command = dic[@"command"];
             if ([command isEqual:@"graph/description"]) {
                 NSMutableDictionary *mutableDic = [NSMutableDictionary dictionaryWithDictionary:dic];
-                mutableDic[(__bridge NSString *)OGDescriptionFormat] = @"graph/dict";
+                mutableDic[(__bridge NSString *)OGDescriptionFormat] = (__bridge NSString *)OGDescriptionFormatDictionary;
                 CFTypeRef description = OG::Graph::description(nullptr, mutableDic);
                 if (description) {
                     NSData *descriptionData = [NSJSONSerialization dataWithJSONObject:(__bridge id)description options:0 error:NULL];
diff --git a/Sources/OpenGraph_SPI/Graph/Graph.cpp b/Sources/OpenGraph_SPI/Graph/Graph.cpp
index 6b1cadcb..73c81a6f 100644
--- a/Sources/OpenGraph_SPI/Graph/Graph.cpp
+++ b/Sources/OpenGraph_SPI/Graph/Graph.cpp
@@ -1,23 +1,22 @@
 //
 //  Graph.cpp
-//  
-//
-//  Created by Kyle on 2024/1/18.
-//
+//  OpenGraph_SPI
 
 #include "Graph.hpp"
 #include "Subgraph.hpp"
+#include "OGGraphDescription.h"
 
 #if !OG_TARGET_OS_WASI
 #include <dispatch/dispatch.h>
 #endif
+
 #include <pthread.h>
 
 pthread_key_t OG::Graph::_current_update_key;
 
 OG::Graph::Graph() OG_NOEXCEPT {
     // TODO
-    
+
     // libdispatch is not supported on WASI
     // Tracked via https://github.com/swiftwasm/swift/issues/5565
     #if !OG_TARGET_OS_WASI
@@ -27,7 +26,7 @@ OG::Graph::Graph() OG_NOEXCEPT {
         OG::Subgraph::make_current_subgraph_key();
     });
     #endif
-    
+
     // TODO
 }
 
@@ -48,10 +47,6 @@ void OG::Graph::stop_profiling() OG_NOEXCEPT {
     // TODO
 }
 
-void OG::Graph::write_to_file(const Graph * _Nullable, const char * _Nullable) OG_NOEXCEPT {
-    // TODO
-}
-
 const bool OG::Graph::thread_is_updating() const OG_NOEXCEPT {
     void *current = pthread_getspecific(current_key());
     if (!current) {
diff --git a/Sources/OpenGraph_SPI/Graph/Graph.hpp b/Sources/OpenGraph_SPI/Graph/Graph.hpp
index cf5055de..5921b86d 100644
--- a/Sources/OpenGraph_SPI/Graph/Graph.hpp
+++ b/Sources/OpenGraph_SPI/Graph/Graph.hpp
@@ -1,9 +1,7 @@
 //
 //  Graph.hpp
-//
-//
-//  Created by Kyle on 2024/1/18.
-//
+//  OpenGraph_SPI
+
 
 #ifndef Graph_hpp
 #define Graph_hpp
@@ -122,9 +120,11 @@ class Graph final {
     static void all_stop_profiling() OG_NOEXCEPT;
     void start_profiling(uint32_t) OG_NOEXCEPT;
     void stop_profiling() OG_NOEXCEPT;
-    
-    static void write_to_file(const Graph * _Nullable, const char * _Nullable) OG_NOEXCEPT;
-    
+
+    #if OG_OBJC_FOUNDATION
+    static void write_to_file(const Graph * _Nullable, const char * _Nullable, uint8_t) OG_NOEXCEPT;
+    #endif
+
     const bool thread_is_updating() const OG_NOEXCEPT;
     const bool is_context_updating(const OG::Graph::Context&) const OG_NOEXCEPT;
     
diff --git a/Sources/OpenGraph_SPI/Graph/Graph.mm b/Sources/OpenGraph_SPI/Graph/Graph.mm
new file mode 100644
index 00000000..fd48afaa
--- /dev/null
+++ b/Sources/OpenGraph_SPI/Graph/Graph.mm
@@ -0,0 +1,59 @@
+//
+//  Graph.mm
+//  OpenGraph_SPI
+
+#include "Graph.hpp"
+#include "OGGraphDescription.h"
+
+#if OG_OBJC_FOUNDATION
+#include <Foundation/Foundation.h>
+#include <zlib.h>
+
+void OG::Graph::write_to_file(const Graph * _Nullable graph, const char * _Nullable name, uint8_t options) OG_NOEXCEPT {
+    @autoreleasepool {
+        NSDictionary <NSString *, id> *options_dict = @{
+            (__bridge NSString *)OGDescriptionFormat: (__bridge NSString *)OGDescriptionFormatDictionary,
+            (__bridge NSString *)OGDescriptionIncludeValues: @((options & 1) == 0),
+            (__bridge NSString *)OGDescriptionAllGraphs: @(graph == nil)
+        };
+        NSString *description = (__bridge NSString *)Graph::description(graph, options_dict);
+        if (description == nil) {
+            return;
+        }
+        const char *cstring_name = name ?: "graph.ag-gzon";
+
+        NSData *data = [NSJSONSerialization dataWithJSONObject:description options:0 error:nil];
+        NSString *file_path = [NSString stringWithUTF8String:cstring_name];
+        if (cstring_name[0] != '/') {
+            file_path = [NSTemporaryDirectory() stringByAppendingPathComponent:file_path];
+        }
+        NSError *error = nil;
+        BOOL success = YES;
+        if ([file_path.pathExtension isEqualToString:@"ag-gzon"]) {
+            gzFile file = gzopen(file_path.fileSystemRepresentation, "wb");
+            if (file != NULL) {
+                const char *bytes = (const char *)[data bytes];
+                NSUInteger remaining = [data length];
+                while (remaining != 0) {
+                    int bytes_written = gzwrite(file, bytes, (unsigned int)remaining);
+                    if (bytes_written <= 0) {
+                        success = NO;
+                        break;
+                    }
+                    bytes += bytes_written;
+                    remaining -= bytes_written;
+                }
+                gzclose(file);
+            }
+        } else {
+            success = [data writeToFile:file_path options:0 error:&error];
+        }
+        if (success) {
+            fprintf(stderr, "Wrote graph data to \"%s\".\n", file_path.UTF8String);
+        } else {
+            fprintf(stderr, "Unable to write to \"%s\": %s\n", file_path.UTF8String, error.description.UTF8String);
+        }
+    }
+}
+
+#endif /* OG_OBJC_FOUNDATION */
diff --git a/Sources/OpenGraph_SPI/Graph/GraphDescription.cpp b/Sources/OpenGraph_SPI/Graph/GraphDescription.cpp
new file mode 100644
index 00000000..a3b03e7b
--- /dev/null
+++ b/Sources/OpenGraph_SPI/Graph/GraphDescription.cpp
@@ -0,0 +1,33 @@
+//
+//  GraphDescription.cpp
+//  OpenGraph_SPI
+
+#include "OGGraphDescription.h"
+#include "OGGraph.h"
+#include "Graph.hpp"
+#include "../Util/assert.hpp"
+
+CFTypeRef OGGraphDescription(OGGraphRef graph, CFDictionaryRef options) {
+    #if OG_OBJC_FOUNDATION
+    if (graph == nullptr) {
+        return OG::Graph::description(nullptr, (__bridge NSDictionary*)options);
+    }
+    if (graph->context.isInvalid()) {
+        OG::precondition_failure("invalidated graph");
+    }
+    return OG::Graph::description(&graph->context.get_graph(), (__bridge NSDictionary*)options);
+    #endif
+}
+
+void OGGraphArchiveJSON(char const * _Nullable name) {
+    #if OG_OBJC_FOUNDATION
+    OG::Graph::write_to_file(nullptr, name, 0);
+    #endif
+}
+
+void OGGraphArchiveJSON2(char const * _Nullable name, uint8_t options) {
+    #if OG_OBJC_FOUNDATION
+    OG::Graph::write_to_file(nullptr, name, options);
+    #endif
+}
+
diff --git a/Sources/OpenGraph_SPI/Graph/GraphDescription.mm b/Sources/OpenGraph_SPI/Graph/GraphDescription.mm
index 505dc2ce..e6f26b87 100644
--- a/Sources/OpenGraph_SPI/Graph/GraphDescription.mm
+++ b/Sources/OpenGraph_SPI/Graph/GraphDescription.mm
@@ -1,9 +1,6 @@
 //
 //  GraphDescription.mm
-//
-//
-//  Created by Kyle on 2024/1/21.
-//
+//  OpenGraph_SPI
 
 #include "OGGraphDescription.h"
 #include "OGGraph.h"
@@ -11,8 +8,11 @@
 #include "../Util/assert.hpp"
 
 #if OG_OBJC_FOUNDATION
+
 #include <Foundation/Foundation.h>
+
 const CFStringRef OGDescriptionFormat = CFSTR("format");
+const CFStringRef OGDescriptionIncludeValues = CFSTR("include-values");
 
 CFTypeRef OG::Graph::description(const Graph * _Nullable graph, NSDictionary* dic) {
     // TODO
@@ -21,14 +21,4 @@
     return NULL;
 }
 
-CFTypeRef OGGraphDescription(OGGraphRef graph, CFDictionaryRef options) {
-    if (graph == nullptr) {
-        return OG::Graph::description(nullptr, (__bridge NSDictionary*)options);
-    }
-    if (graph->context.isInvalid()) {
-        OG::precondition_failure("invalidated graph");
-    }
-    return OG::Graph::description(&graph->context.get_graph(), (__bridge NSDictionary*)options);
-}
-
 #endif /* OG_OBJC_FOUNDATION */
diff --git a/Sources/OpenGraph_SPI/Graph/OGGraph.cpp b/Sources/OpenGraph_SPI/Graph/OGGraph.cpp
index 3e283367..dde22526 100644
--- a/Sources/OpenGraph_SPI/Graph/OGGraph.cpp
+++ b/Sources/OpenGraph_SPI/Graph/OGGraph.cpp
@@ -41,10 +41,6 @@ OGGraphRef OGGraphCreateShared(OGGraphRef storage) {
     return instance;
 }
 
-void OGGraphArchiveJSON(char const * _Nullable name) {
-    OG::Graph::write_to_file(nullptr, name);
-}
-
 namespace {
 CFRuntimeClass &graph_type_id() {
     static auto dealloc = [](const void* ptr) {
diff --git a/Sources/OpenGraph_SPI/include/OGDebugServer.h b/Sources/OpenGraph_SPI/include/OGDebugServer.h
index 28fb3f70..6cc209a7 100644
--- a/Sources/OpenGraph_SPI/include/OGDebugServer.h
+++ b/Sources/OpenGraph_SPI/include/OGDebugServer.h
@@ -20,14 +20,19 @@ typedef const OGDebugServerStorage *OGDebugServer OG_SWIFT_STRUCT;
 // MARK: - Exported C functions
 
 OG_EXTERN_C_BEGIN
+
 OG_EXPORT
 OGDebugServer _Nullable OGDebugServerStart(unsigned int mode) OG_SWIFT_NAME(OGDebugServer.start(mode:));
+
 OG_EXPORT
 void OGDebugServerStop(void) OG_SWIFT_NAME(OGDebugServer.stop());
+
 OG_EXPORT
 CFURLRef _Nullable OGDebugServerCopyURL(void) OG_SWIFT_NAME(OGDebugServer.copyURL());
+
 OG_EXPORT
 void OGDebugServerRun(int timeout) OG_SWIFT_NAME(OGDebugServer.run(timeout:));
+
 OG_EXTERN_C_END
 
 OG_IMPLICIT_BRIDGING_DISABLED
diff --git a/Sources/OpenGraph_SPI/include/OGGraph.h b/Sources/OpenGraph_SPI/include/OGGraph.h
index fd59f936..49c67a72 100644
--- a/Sources/OpenGraph_SPI/include/OGGraph.h
+++ b/Sources/OpenGraph_SPI/include/OGGraph.h
@@ -37,14 +37,6 @@ OG_EXPORT
 OG_REFINED_FOR_SWIFT
 OGGraphRef OGGraphCreateShared(_Nullable OGGraphRef graph) OG_SWIFT_NAME(OGGraphRef.init(shared:));
 
-OG_EXPORT
-OG_REFINED_FOR_SWIFT
-void OGGraphArchiveJSON(char const * _Nullable name) OG_SWIFT_NAME(OGGraphRef.archiveJSON(name:));
-
-OG_EXPORT
-OG_REFINED_FOR_SWIFT
-_Nullable CFTypeRef OGGraphDescription(_Nullable OGGraphRef graph, CFDictionaryRef options) OG_SWIFT_NAME(OGGraphRef.description(_:options:));
-
 OG_EXPORT
 OG_REFINED_FOR_SWIFT
 CFTypeID OGGraphGetTypeID(void) OG_SWIFT_NAME(getter:OGGraphRef.typeID());
diff --git a/Sources/OpenGraph_SPI/include/OGGraphDescription.h b/Sources/OpenGraph_SPI/include/OGGraphDescription.h
index d38f1e2e..b755d784 100644
--- a/Sources/OpenGraph_SPI/include/OGGraphDescription.h
+++ b/Sources/OpenGraph_SPI/include/OGGraphDescription.h
@@ -6,6 +6,7 @@
 #define OGGraphDescription_h
 
 #include "OGBase.h"
+#include "OGGraph.h"
 
 OG_ASSUME_NONNULL_BEGIN
 
@@ -18,8 +19,29 @@ OG_EXTERN_C_BEGIN
 OG_EXPORT
 const CFStringRef OGDescriptionFormat OG_SWIFT_NAME(OGGraphRef.descriptionFormat);
 
+OG_EXPORT
+const CFStringRef OGDescriptionIncludeValues OG_SWIFT_NAME(OGGraphRef.descriptionIncludeValues);
+
+static const CFStringRef OGDescriptionFormatDot OG_SWIFT_NAME(OGGraphRef.descriptionFormatDot) = CFSTR("graph/dot");
+
+static const CFStringRef OGDescriptionFormatDictionary OG_SWIFT_NAME(OGGraphRef.descriptionFormatDictionary) = CFSTR("graph/dict");
+
+static const CFStringRef OGDescriptionAllGraphs OG_SWIFT_NAME(OGGraphRef.descriptionAllGraphs) = CFSTR("all_graphs");
+
 #endif
 
+OG_EXPORT
+OG_REFINED_FOR_SWIFT
+void OGGraphArchiveJSON(char const * _Nullable name) OG_SWIFT_NAME(OGGraphRef.archiveJSON(name:));
+
+OG_EXPORT
+OG_REFINED_FOR_SWIFT
+void OGGraphArchiveJSON2(char const * _Nullable name, uint8_t options) OG_SWIFT_NAME(OGGraphRef.archiveJSON(name:options:));
+
+OG_EXPORT
+OG_REFINED_FOR_SWIFT
+_Nullable CFTypeRef OGGraphDescription(_Nullable OGGraphRef graph, CFDictionaryRef options) OG_SWIFT_NAME(OGGraphRef.description(_:options:));
+
 OG_EXTERN_C_END
 
 OG_IMPLICIT_BRIDGING_DISABLED
diff --git a/Sources/OpenGraph_SPI/include/OpenGraph.h b/Sources/OpenGraph_SPI/include/OpenGraph.h
index 20036e5f..046aabc1 100644
--- a/Sources/OpenGraph_SPI/include/OpenGraph.h
+++ b/Sources/OpenGraph_SPI/include/OpenGraph.h
@@ -11,6 +11,7 @@
 #include "OGDebugServer.h"
 #include "OGGraph.h"
 #include "OGGraphContext.h"
+#include "OGGraphDescription.h"
 #include "OGGraphTracing.h"
 #include "OGInputOptions.h"
 #include "OGSearchOptions.h"
diff --git a/Tests/OpenGraphCompatibilityTests/Graph/GraphTests.swift b/Tests/OpenGraphCompatibilityTests/Graph/GraphTests.swift
index 8d20efee..cdf8b6c4 100644
--- a/Tests/OpenGraphCompatibilityTests/Graph/GraphTests.swift
+++ b/Tests/OpenGraphCompatibilityTests/Graph/GraphTests.swift
@@ -40,7 +40,12 @@ struct GraphTests {
     
     @Test(.disabled(if: !compatibilityTestEnabled, "Not implemented on OG"))
     func graphDescriptionDict() throws {
-        let description = try #require(Graph.description(nil, options: ["format": "graph/dict"] as NSDictionary))
+        let description = try #require(Graph.description(
+            nil,
+            options: [
+                Graph.descriptionFormat: Graph.descriptionFormatDictionary
+            ] as NSDictionary
+        ))
         let dic = description as! Dictionary<String, AnyHashable>
         #expect(dic["version"] as? UInt32 == 2)
         #expect((dic["graphs"] as? NSArray)?.count == 0)
@@ -49,7 +54,7 @@ struct GraphTests {
     @Test(.disabled(if: !compatibilityTestEnabled, "Not implemented on OG"))
     func graphDescriptionDot() throws {
         let options = NSMutableDictionary()
-        options["format"] = "graph/dot"
+        options[Graph.descriptionFormat] = Graph.descriptionFormatDot
         #expect(Graph.description(nil, options: options) == nil)
         let graph = Graph()
         let description = try #require(Graph.description(graph, options: options))