diff --git a/cache/src/main/kotlin/org/openrs2/cache/Cache.kt b/cache/src/main/kotlin/org/openrs2/cache/Cache.kt
index 26303a88..3899f91b 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/Cache.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/Cache.kt
@@ -250,6 +250,7 @@ public class Cache private constructor(
         public const val MAX_ARCHIVE: Int = 254
 
         @JvmOverloads
+        @JvmStatic
         public fun open(
             root: Path,
             alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT,
@@ -259,6 +260,7 @@ public class Cache private constructor(
         }
 
         @JvmOverloads
+        @JvmStatic
         public fun open(
             store: Store,
             alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT,
diff --git a/cache/src/main/kotlin/org/openrs2/cache/ChecksumTable.kt b/cache/src/main/kotlin/org/openrs2/cache/ChecksumTable.kt
index 7160b3c2..7701f315 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/ChecksumTable.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/ChecksumTable.kt
@@ -21,6 +21,7 @@ public class ChecksumTable(
     }
 
     public companion object {
+        @JvmStatic
         public fun create(store: Store): ChecksumTable {
             val table = ChecksumTable()
 
@@ -46,6 +47,7 @@ public class ChecksumTable(
             return table
         }
 
+        @JvmStatic
         public fun read(buf: ByteBuf): ChecksumTable {
             val table = ChecksumTable()
 
diff --git a/cache/src/main/kotlin/org/openrs2/cache/DiskStore.kt b/cache/src/main/kotlin/org/openrs2/cache/DiskStore.kt
index 6e044cdc..bedd1800 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/DiskStore.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/DiskStore.kt
@@ -501,6 +501,7 @@ public class DiskStore private constructor(
         }
 
         @JvmOverloads
+        @JvmStatic
         public fun open(root: Path, alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT): Store {
             val js5DataPath = dataPath(root)
             val legacyDataPath = legacyDataPath(root)
@@ -549,6 +550,8 @@ public class DiskStore private constructor(
             return DiskStore(root, data, musicData, archives, alloc, legacy)
         }
 
+        @JvmOverloads
+        @JvmStatic
         public fun create(
             root: Path,
             alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT,
diff --git a/cache/src/main/kotlin/org/openrs2/cache/FlatFileStore.kt b/cache/src/main/kotlin/org/openrs2/cache/FlatFileStore.kt
index d2cd76cd..edd4bdcd 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/FlatFileStore.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/FlatFileStore.kt
@@ -129,6 +129,7 @@ public class FlatFileStore private constructor(
         private const val GROUP_EXTENSION = ".dat"
 
         @JvmOverloads
+        @JvmStatic
         public fun open(root: Path, alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT): Store {
             if (!Files.isDirectory(root)) {
                 throw FileNotFoundException()
@@ -138,6 +139,7 @@ public class FlatFileStore private constructor(
         }
 
         @JvmOverloads
+        @JvmStatic
         public fun create(root: Path, alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT): Store {
             Files.createDirectories(root)
             return FlatFileStore(root, alloc)
diff --git a/cache/src/main/kotlin/org/openrs2/cache/JagArchive.kt b/cache/src/main/kotlin/org/openrs2/cache/JagArchive.kt
index 636849a8..abeb9ae0 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/JagArchive.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/JagArchive.kt
@@ -230,6 +230,7 @@ public class JagArchive : Closeable {
          * @param buf the compressed archive.
          * @return the unpacked archive.
          */
+        @JvmStatic
         public fun unpack(buf: ByteBuf): JagArchive {
             val archive = JagArchive()
 
diff --git a/cache/src/main/kotlin/org/openrs2/cache/Js5CompressionType.kt b/cache/src/main/kotlin/org/openrs2/cache/Js5CompressionType.kt
index e3e78447..8cf5a1a8 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/Js5CompressionType.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/Js5CompressionType.kt
@@ -41,6 +41,7 @@ public enum class Js5CompressionType {
     public companion object {
         private val values = values()
 
+        @JvmStatic
         public fun fromOrdinal(ordinal: Int): Js5CompressionType? {
             return if (ordinal >= 0 && ordinal < values.size) {
                 values[ordinal]
diff --git a/cache/src/main/kotlin/org/openrs2/cache/Js5Index.kt b/cache/src/main/kotlin/org/openrs2/cache/Js5Index.kt
index 908c4e72..3f4d6217 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/Js5Index.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/Js5Index.kt
@@ -280,6 +280,7 @@ public class Js5Index(
         private const val FLAG_LENGTHS = 0x04
         private const val FLAG_UNCOMPRESSED_CHECKSUMS = 0x08
 
+        @JvmStatic
         public fun read(buf: ByteBuf): Js5Index {
             val number = buf.readUnsignedByte().toInt()
             val protocol = Js5Protocol.fromId(number)
diff --git a/cache/src/main/kotlin/org/openrs2/cache/Js5MasterIndex.kt b/cache/src/main/kotlin/org/openrs2/cache/Js5MasterIndex.kt
index 876aa299..51df61cd 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/Js5MasterIndex.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/Js5MasterIndex.kt
@@ -118,6 +118,7 @@ public data class Js5MasterIndex(
     public companion object {
         private const val SIGNATURE_LENGTH = Whirlpool.DIGESTBYTES + 1
 
+        @JvmStatic
         public fun create(store: Store): Js5MasterIndex {
             val masterIndex = Js5MasterIndex(MasterIndexFormat.ORIGINAL)
 
@@ -181,10 +182,12 @@ public data class Js5MasterIndex(
         }
 
         @JvmOverloads
+        @JvmStatic
         public fun read(buf: ByteBuf, format: MasterIndexFormat, key: RSAKeyParameters? = null): Js5MasterIndex {
             return read(buf, format, key, true)
         }
 
+        @JvmStatic
         public fun readUnverified(buf: ByteBuf, format: MasterIndexFormat): Js5MasterIndex {
             return read(buf, format, null, false)
         }
diff --git a/cache/src/main/kotlin/org/openrs2/cache/Js5Pack.kt b/cache/src/main/kotlin/org/openrs2/cache/Js5Pack.kt
index dd17ea53..2015a003 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/Js5Pack.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/Js5Pack.kt
@@ -91,6 +91,8 @@ public class Js5Pack private constructor(
     }
 
     public companion object {
+        @JvmOverloads
+        @JvmStatic
         public fun create(
             alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT,
             unpackedCacheSize: Int = UnpackedCache.DEFAULT_CAPACITY
@@ -107,6 +109,8 @@ public class Js5Pack private constructor(
             }
         }
 
+        @JvmOverloads
+        @JvmStatic
         public fun read(
             path: Path,
             alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT,
@@ -117,6 +121,8 @@ public class Js5Pack private constructor(
             }
         }
 
+        @JvmOverloads
+        @JvmStatic
         public fun read(
             input: InputStream,
             alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT,
diff --git a/cache/src/main/kotlin/org/openrs2/cache/Js5Protocol.kt b/cache/src/main/kotlin/org/openrs2/cache/Js5Protocol.kt
index 67f5424c..043e770c 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/Js5Protocol.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/Js5Protocol.kt
@@ -12,6 +12,7 @@ public enum class Js5Protocol {
         private const val OFFSET = 5
         private val values = values()
 
+        @JvmStatic
         public fun fromId(id: Int): Js5Protocol? {
             val ordinal = id - OFFSET
             return if (ordinal >= 0 && ordinal < values.size) {
diff --git a/cache/src/main/kotlin/org/openrs2/cache/Store.kt b/cache/src/main/kotlin/org/openrs2/cache/Store.kt
index 4b1d3d1f..689da02a 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/Store.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/Store.kt
@@ -136,6 +136,7 @@ public interface Store : Flushable, Closeable {
          * @throws IOException if an underlying I/O error occurs.
          */
         @JvmOverloads
+        @JvmStatic
         public fun open(root: Path, alloc: ByteBufAllocator = ByteBufAllocator.DEFAULT): Store {
             val hasDataFile = Files.isRegularFile(DiskStore.dataPath(root))
             val hasLegacyDataFile = Files.isRegularFile(DiskStore.legacyDataPath(root))
diff --git a/cache/src/main/kotlin/org/openrs2/cache/VersionList.kt b/cache/src/main/kotlin/org/openrs2/cache/VersionList.kt
index 48f58e07..773b65d8 100644
--- a/cache/src/main/kotlin/org/openrs2/cache/VersionList.kt
+++ b/cache/src/main/kotlin/org/openrs2/cache/VersionList.kt
@@ -20,6 +20,7 @@ public class VersionList(
     public companion object {
         private val NAMES = listOf("model", "anim", "midi", "map")
 
+        @JvmStatic
         public fun read(archive: JagArchive): VersionList {
             val files = mutableListOf<List<File>>()